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B. Razeghi, F. P. Calmon, D. Gündüz, and S. Voloshynovskiy, "Bottlenecks CLUB: Unifying Information-Theoretic Trade-offs Among Complexity, Leakage, and Utility," IEEE Transactions on Information Forensics and Security (TIFS), 2023. [pdf|bib]
@article { razeghi2022bottlenecks,
    title = { Bottlenecks CLUB: Unifying Information-Theoretic Trade-offs Among Complexity, Leakage, and Utility },
    author = { Razeghi, Behrooz and Calmon, Flavio P and G\"{u}nd\"{u}z, Deniz and Voloshynovskiy, Slava },
    journal = { IEEE Transactions on Information Forensics and Security (TIFS) },
    year = { 2023 }
}
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B. Pulfer, R. Chaban, Y. Belousov, J. Tutt, O. Taran, T. Holotyak, and S. Voloshynovskiy, "Authentication of Copy Detection Patterns under Machine Learning Attacks: A Supervised Approach," in Proc. IEEE International Conference on Image Processing (ICIP), Bordeaux, France, 2022. [pdf|bib]
@inproceedings { pulfer2022icip,
    author = { Pulfer, Brian and Chaban, Roman and Belousov, Yury and Tutt, Joakim and Taran, Olga and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Image Processing (ICIP) },
    title = { Authentication of Copy Detection Patterns under Machine Learning Attacks: A Supervised Approach },
    address = { Bordeaux, France },
    month = { October },
    year = { 2022 }
}
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S. Rezaeifar, S. Voloshynovskiy, M. Jirhandeh, and V. Kinakh, "Privacy-Preserving Image Template Sharing Using Contrastive Learning," in Proc. Entropy Journal special issue "Information-Theoretic Approach to Privacy and Security", 2022. [pdf|bib]
@inproceedings { Rezaeifar2022entropy,
    author = { Rezaeifar, Shideh and Voloshynovskiy, Slava and Jirhandeh, Meisam and Kinakh, Vitality },
    booktitle = { Entropy Journal special issue "Information-Theoretic Approach to Privacy and Security" },
    title = { Privacy-Preserving Image Template Sharing Using Contrastive Learning },
    month = { May },
    year = { 2022 }
}
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B. Razeghi, S. Rezaeifar, S. Ferdowsi, T. Holotyak, and S. Voloshynovskiy, "Compressed Data Sharing based on Information Bottleneck Model," in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2022. [pdf|bib]
@inproceedings { ICASSP22_razeghi,
    author = { Razeghi, Behrooz and Rezaeifar, Shideh and Ferdowsi, Sohrab and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) },
    title = { Compressed Data Sharing based on Information Bottleneck Model },
    year = { 2022 }
}
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I. Shiri, A. V. Sadr, M. Amini, Y. Salimi, A. Sanaat, A. Akhavanallaf, B. Razeghi, S. Ferdowsi, A. Saberi, H. Arabi, and others, "Decentralized distributed multi-institutional PET image segmentation using a federated deep learning framework," Clinical Nuclear Medicine, vol. 47, iss. 7, pp. 606-617, 2022. [pdf|bib]
@article { shiri2022decentralized,
    title = { Decentralized distributed multi-institutional PET image segmentation using a federated deep learning framework },
    author = { Shiri, Isaac and Sadr, Alireza Vafaei and Amini, Mehdi and Salimi, Yazdan and Sanaat, Amirhossein and Akhavanallaf, Azadeh and Razeghi, Behrooz and Ferdowsi, Sohrab and Saberi, Abdollah and Arabi, Hossein and others },
    journal = { Clinical Nuclear Medicine },
    volume = { 47 },
    number = { 7 },
    pages = { 606--617 },
    year = { 2022 },
    publisher = { LWW }
}
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J. Tutt, O. Taran, R. Chaban, B. Pulfer, Y. Belousov, T. Holotyak, and S. Voloshynovskiy, "Mathematical model of printing-imaging channel for blind detection of fake copy detection patterns," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), Shanghai, China, 2022. [pdf|bib]
@inproceedings { Tutt2022wifs,
    author = { Tutt, Joakim and Taran, Olga and Chaban, Roman and Pulfer, Brian and Belousov, Yury and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { Mathematical model of printing-imaging channel for blind detection of fake copy detection patterns },
    address = { Shanghai, China },
    pages = { },
    month = { 12 },
    year = { 2022 }
}
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R. Chaban, O. Taran, J. Tutt, Y. Belousov, B. Pulfer, T. Holotyak, and S. Voloshynovskiy, "Printing variability of copy detection patterns," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), Shanghai, China, 2022. [pdf|bib]
@inproceedings { Chaban2022wifs,
    author = { Chaban, Roman and Taran, Olga and Tutt, Joakim and Belousov, Yury and Pulfer, Brian and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { Printing variability of copy detection patterns },
    address = { Shanghai, China },
    pages = { },
    month = { December },
    year = { 2022 }
}
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I. Shiri, A. Vafaei Sadr, A. Akhavan, Y. Salimi, A. Sanaat, M. Amini, B. Razeghi, A. Saberi, H. Arabi, S. Ferdowsi, S. Voloshynovskiy, D. Gündüz, and others, "Decentralized collaborative multi-institutional PET attenuation and scatter correction using federated deep learning," European Journal of Nuclear Medicine and Molecular Imaging, pp. 1-17, 2022. [pdf|bib]
@article { shiri2022decentralized,
    title = { Decentralized collaborative multi-institutional PET attenuation and scatter correction using federated deep learning },
    author = { Shiri, Isaac and Vafaei Sadr, Alireza and Akhavan, Azadeh and Salimi, Yazdan and Sanaat, Amirhossein and Amini, Mehdi and Razeghi, Behrooz and Saberi, Abdollah and Arabi, Hossein and Ferdowsi, Sohrab and Voloshynovskiy, Slava and Gündüz, Deniz and others },
    journal = { European Journal of Nuclear Medicine and Molecular Imaging },
    pages = { 1--17 },
    year = { 2022 },
    publisher = { Springer }
}
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Y. Belousov, B. Pulfer, R. Chaban, J. Tutt, O. Taran, T. Holotyak, and S. Voloshynovskiy, "Digital twins of physical printing-imaging channel," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), Shanghai, China, 2022. [pdf|bib]
@inproceedings { Belousov2022wifs,
    author = { Belousov, Yury and Pulfer, Brian and Chaban, Roman and Tutt, Joakim and Taran, Olga and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { Digital twins of physical printing-imaging channel },
    address = { Shanghai, China },
    pages = { },
    month = { December },
    year = { 2022 }
}
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B. Pulfer, Y. Belousov, J. Tutt, R. Chaban, O. Taran, T. Holotyak, and S. Voloshynovskiy, "Anomaly localization for copy detection patterns through print estimation," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), Shanghai, China, 2022. [pdf|bib]
@inproceedings { Pulfer2022wifs,
    author = { Pulfer, Brian and Belousov, Yury and Tutt, Joakim and Chaban, Roman and Taran, Olga and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { Anomaly localization for copy detection patterns through print estimation },
    address = { Shanghai, China },
    pages = { },
    month = { December },
    year = { 2022 }
}
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A. A. Atashin, B. Razeghi, D. Gündüz, and S. Voloshynovskiy, "Variational Leakage: The Role of Information Complexity in Privacy Leakage," in Proc. Proceedings of the 3rd ACM Workshop on Wireless Security and Machine Learning, 2021, pp. 91-96. [pdf|bib]
@inproceedings { Razeghi2021variational,
    title = { Variational Leakage: The Role of Information Complexity in Privacy Leakage },
    author = { Atashin, Amir Ahooye and Razeghi, Behrooz and G{\"u}nd{\"u}z, Deniz and Voloshynovskiy, Slava },
    booktitle = { Proceedings of the 3rd ACM Workshop on Wireless Security and Machine Learning },
    pages = { 91--96 },
    year = { 2021 }
}
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B. Razeghi, S. Ferdowsi, D. Kostadinov, F. P. Calmon, and S. Voloshynovskiy, "Privacy-Preserving Near Neighbor Search via Sparse Coding with Ambiguation," in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Toronto, Ontario, Canada, 2021. [pdf|bib]
@inproceedings { Razeghi2021FairANN,
    author = { Razeghi, Behrooz and Ferdowsi, Sohrab and Kostadinov, Dimche and P. Calmon, Flavio and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) },
    title = { Privacy-Preserving Near Neighbor Search via Sparse Coding with Ambiguation },
    address = { Toronto, Ontario, Canada },
    pages = { },
    month = { June },
    year = { 2021 }
}
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V. Kinakh, S. Voloshynovskiy, and O. Taran, "ScatSimCLR: self-supervised contrastive learning with pretext task regularization for small-scale datasets," in Proc. 2nd Visual Inductive Priors for Data-Efficient Deep Learning Workshop, 2021. [pdf|bib]
@inproceedings { kinakh2021scatsimclr,
    title = { ScatSimCLR: self-supervised contrastive learning with pretext task regularization for small-scale datasets },
    author = { Vitaliy Kinakh and Slava Voloshynovskiy and Olga Taran },
    booktitle = { 2nd Visual Inductive Priors for Data-Efficient Deep Learning Workshop },
    year = { 2021 }
}
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S. Klein, J. A. Raine, S. Pina-Otey, S. Voloshynovskiy, and T. Golling, "Funnels: Exact maximum likelihood with dimensionality reduction." 2021. [pdf|bib]
@inproceedings { klein2021funnels,
    title = { Funnels: Exact maximum likelihood with dimensionality reduction },
    author = { Samuel Klein and John A. Raine and Sebastian Pina-Otey and Slava Voloshynovskiy and Tobias Golling },
    year = { 2021 },
    eprint = { 2112.08069 },
    archiveprefix = { arXiv },
    primaryclass = { cs.LG }
}
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R. Chaban, O. Taran, J. Tutt, T. Holotyak, S. Bonev, and S. Voloshynovskiy, "Machine learning attack on copy detection patterns: are 1x1 patterns cloneable?," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), Montpellier, France, 2021. [pdf|bib]
@inproceedings { Chaban2021wifs,
    author = { Chaban, Roman and Taran, Olga and Tutt, Joakim and Holotyak, Taras and Bonev, Slavi and Voloshynovskiy, Slava },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { Machine learning attack on copy detection patterns: are 1x1 patterns cloneable? },
    address = { Montpellier, France },
    pages = { },
    month = { December },
    year = { 2021 }
}
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G. Quétant, M. Drozdova, V. Kinakh, T. Golling, and S. Voloshynovskiy, "Turbo-Sim: a generalised generative model with a physical latent space." 2021. [pdf|bib]
@inproceedings { Quetant2021turbosim,
    title = { Turbo-Sim: a generalised generative model with a physical latent space },
    author = { Guillaume Quétant and Mariia Drozdova and Vitaliy Kinakh and Tobias Golling and Slava Voloshynovskiy },
    year = { 2021 },
    eprint = { 2112.10629 },
    archiveprefix = { arXiv },
    primaryclass = { cs.LG }
}
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V. Kinakh, M. Drozdova, G. Quétant, T. Golling, and S. Voloshynovskiy, "Information-theoretic stochastic contrastive conditional GAN: InfoSCC-GAN," in Proc. Bayesian Deep Learning NeurIPS workshop, 2021. [pdf|bib]
@inproceedings { kinakh2021informationtheoretic,
    title = { Information-theoretic stochastic contrastive conditional GAN: InfoSCC-GAN },
    author = { Kinakh, Vitaliy and Drozdova, Mariia and Quétant, Guillaume and Golling, Tobias and Voloshynovskiy, Slava },
    booktitle = { Bayesian Deep Learning NeurIPS workshop },
    year = { 2021 }
}
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O. Taran, J. Tutt, T. Holotyak, R. Chaban, S. Bonev, and S. Voloshynovskiy, "Mobile authentication of copy detection patterns: how critical is to know fakes?," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), Montpellier, France, 2021. [pdf|bib]
@inproceedings { Taran2021IndigoMobile,
    author = { Taran, Olga and Tutt, Joakim and Holotyak, Taras and Chaban, Roman and Bonev, Slavi and Voloshynovskiy, Slava },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { Mobile authentication of copy detection patterns: how critical is to know fakes? },
    address = { Montpellier, France },
    pages = { },
    month = { December },
    year = { 2021 }
}
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O. Taran, S. Bonev, T. Holotyak, and S. Voloshynovskiy, "Adversarial detection of counterfeited printable graphical codes: towards "adversarial games" in physical world," in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2020. [pdf|bib]
@inproceedings { Taran2020icassp,
    author = { Taran, Olga and Bonev, Slavi and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) },
    title = { Adversarial detection of counterfeited printable graphical codes: towards "adversarial games" in physical world },
    year = { 2020 }
}
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S. Ferdowsi, B. Razeghi, T. Holotyak, F. P. Calmon, and S. Voloshynovskiy, "Privacy-Preserving Image Sharing via Sparsifying Layers on Convolutional Groups," in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2020. [pdf|bib]
@inproceedings { ICASSP20_Privacy,
    author = { Ferdowsi, Sohrab and Razeghi, Behrooz and Holotyak, Taras and P. Calmon, Flavio and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) },
    title = { Privacy-Preserving Image Sharing via Sparsifying Layers on Convolutional Groups },
    year = { 2020 }
}
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S. Rezaeifar, M. Diephuis, B. Razeghi, O. Taran, D. Ullmann, and S. Voloshynovskiy, "Distributed Semi-Private Image Classification Based on Information-Bottleneck Principle," in Proc. 28th European Signal Processing Conference (EUSIPCO), Amsterdam, Netherlands, 2020. [pdf|bib]
@inproceedings { rezaeifar2020Eusipco,
    author = { Rezaeifar, Shideh and Diephuis, Maurits and Razeghi, Behrooz and Taran, Olga and Ullmann, Denis and Voloshynovskiy, Slava },
    booktitle = { 28th European Signal Processing Conference (EUSIPCO) },
    title = { Distributed Semi-Private Image Classification Based on Information-Bottleneck Principle },
    address = { Amsterdam, Netherlands },
    pages = { },
    month = { },
    year = { 2020 }
}
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B. Razeghi, F. P. Calmon, D. Gündüz, and S. Voloshynovskiy, "On Perfect Obfuscation: Local Information Geometry Analysis," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), New York, US, 2020. [pdf|bib]
@inproceedings { Razeghi2020PerfectObfuscation,
    author = { Razeghi, Behrooz and P. Calmon, Flavio and G{\"u}nd{\"u}z, Deniz and Voloshynovskiy, Slava },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { On Perfect Obfuscation: Local Information Geometry Analysis },
    address = { New York, US },
    pages = { },
    month = { December },
    year = { 2020 }
}
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O. Taran, S. Rezaeifar, T. Holotyak, and S. Voloshynovskiy, "Machine learning through cryptographic glasses: combating adversarial attacks by key based diversified aggregation," in Proc. EURASIP Journal on Information Security, 2020. [link|bib]
@inproceedings { Taran2020eurasip,
    author = { Taran, Olga and Rezaeifar, Shideh and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { EURASIP Journal on Information Security },
    title = { Machine learning through cryptographic glasses: combating adversarial attacks by key based diversified aggregation },
    month = { January },
    year = { 2020 }
}
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D. Ullmann, S. Rezaeifar, O. Taran, T. Holotyak, B. Panos, and S. Voloshynovskiy, "Information Bottleneck Classification in Extremely Distributed Systems," in Proc. Information-Theoretic Methods for Deep Learning Based Data Acquisition, Analysis and Security, 2020. [link|bib]
@inproceedings { Ullmann2020entropy,
    author = { Ullmann, Denis and Rezaeifar, Shideh and Taran, Olga and Holotyak, Taras and Panos, Brandon and Voloshynovskiy, Slava },
    booktitle = { Information-Theoretic Methods for Deep Learning Based Data Acquisition, Analysis and Security },
    title = { Information Bottleneck Classification in Extremely Distributed Systems },
    month = { October },
    year = { 2020 }
}
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S. Voloshynovskiy, O. Taran, M. Kondah, T. Holotyak, and D. Rezende, "Variational Information Bottleneck for Semi-Supervised Classification," in Proc. Entropy Journal special issue "Information Bottleneck: Theory and Applications in Deep Learning", 2020. [link|bib]
@inproceedings { Svolos2020entropy,
    author = { Voloshynovskiy, Slava and Taran, Olga and Kondah, Mouad and Holotyak, Taras and Rezende, Danilo },
    booktitle = { Entropy Journal special issue "Information Bottleneck: Theory and Applications in Deep Learning" },
    title = { Variational Information Bottleneck for Semi-Supervised Classification },
    month = { August },
    year = { 2020 }
}
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O. Taran, S. Bonev, and S. Voloshynovskiy, "Clonability of anti-counterfeiting printable graphical codes: a machine learning approach," in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, United Kingdom, 2019. [pdf|bib]
@inproceedings { Taran2019icassp,
    author = { Taran, Olga and Bonev, Slavi and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) },
    title = { Clonability of anti-counterfeiting printable graphical codes: a machine learning approach },
    address = { Brighton, United Kingdom },
    month = { May },
    pages = { },
    year = { 2019 }
}
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M. Gheisari, T. Furon, L. Amsaleg, B. Razeghi, and S. Voloshynovskiy, "Aggregation and Embedding for Group Membership Verification," in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, United Kingdom, 2019. [pdf|bib]
@inproceedings { Razeghi2019icassp,
    author = { Gheisari, Marzieh and Furon, Teddy and Amsaleg, Laurent and Razeghi, Behrooz and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) },
    title = { Aggregation and Embedding for Group Membership Verification },
    address = { Brighton, United Kingdom },
    month = { May },
    pages = { },
    year = { 2019 }
}
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O. Taran, S. Rezaeifar, T. Holotyak, and S. Voloshynovskiy, "Defending against adversarial attacks by randomized diversification," in Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Long Beach, USA, 2019. [pdf|bib]
@inproceedings { Taran2019cvpr,
    author = { Taran, Olga and Rezaeifar, Shideh and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE Conference on Computer Vision and Pattern Recognition (CVPR) },
    title = { Defending against adversarial attacks by randomized diversification },
    address = { Long Beach, USA },
    month = { June },
    pages = { },
    year = { 2019 }
}
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D. Kostadinov, B. Razeghi, S. Rezaeifar, and S. Voloshynovskiy, "Supervised Joint Nonlinear Transform Learning with Discriminative-Ambiguous Prior for Generic Privacy-Preserved Features," in Proc. 53rd Annual Conference on Information Systems & Sciencese (CISS), Maryland, USA, 2019. [pdf|bib]
@inproceedings { Kostadinov2019ciss,
    author = { Kostadinov, Dimche and Razeghi, Behrooz and Rezaeifar, Shideh and Voloshynovskiy, Slava },
    booktitle = { 53rd Annual Conference on Information Systems & Sciencese (CISS) },
    title = { Supervised Joint Nonlinear Transform Learning with Discriminative-Ambiguous Prior for Generic Privacy-Preserved Features },
    address = { Maryland, USA },
    pages = { },
    month = { March },
    year = { 2019 }
}
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S. Rezaeifar, B. Razeghi, O. Taran, T. Holotyak, and S. Voloshynovskiy, "Reconstruction of privacy-sensitive data from protected templates," in Proc. IEEE International Conference on Image Processing (ICIP), Taipei, Taiwan, 2019. [pdf|bib]
@inproceedings { Razeghi2019icip,
    author = { Rezaeifar, Shideh and Razeghi, Behrooz and Taran, Olga and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Image Processing (ICIP) },
    title = { Reconstruction of privacy-sensitive data from protected templates },
    address = { Taipei, Taiwan },
    month = { September },
    pages = { },
    year = { 2019 }
}
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B. Razeghi, T. Stanko, B. Škoric´, and S. Voloshynovskiy, "Single-Component Privacy Guarantees in Helper Data Systems and Sparse Coding with Ambiguation," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), Delft, Netherlands, 2019. [pdf|bib]
@inproceedings { Razeghi2019wifs,
    author = { Razeghi, Behrooz and Stanko, Taras and Škoric´, Boris and Voloshynovskiy, Slava },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { Single-Component Privacy Guarantees in Helper Data Systems and Sparse Coding with Ambiguation },
    address = { Delft, Netherlands },
    pages = { },
    month = { December },
    year = { 2019 }
}
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S. Voloshynovskiy, M. Kondah, S. Rezaeifar, O. Taran, T. Hotolyak, and D. J. Rezende, "Information bottleneck through variational glasses," in Proc. NeurIPS Workshop on Bayesian Deep Learning, Vancouver, Canada, 2019. [pdf|bib]
@inproceedings { Voloshynovskiy2019NeurIPS,
    author = { Voloshynovskiy, Slava and Kondah, Mouad and Rezaeifar, Shideh and Taran, Olga and Hotolyak, Taras and Rezende, Danilo Jimenez },
    booktitle = { NeurIPS Workshop on Bayesian Deep Learning },
    title = { Information bottleneck through variational glasses },
    address = { Vancouver, Canada },
    pages = { },
    month = { December },
    year = { 2019 }
}
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O. Taran, S. Rezaeifar, T. Holotyak, and S. Voloshynovskiy, "Robustification of deep net classifiers by key based diversified aggregation with pre-filtering," in Proc. IEEE International Conference on Image Processing (ICIP), Taipei, Taiwan, 2019. [pdf|bib]
@inproceedings { Taran2019icip,
    author = { Taran, Olga and Rezaeifar, Shideh and Holotyak, Taras and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Image Processing (ICIP) },
    title = { Robustification of deep net classifiers by key based diversified aggregation with pre-filtering },
    address = { Taipei, Taiwan },
    month = { September },
    pages = { },
    year = { 2019 }
}
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S. Rezaeifar, O. Taran, and S. Voloshynovskiy, "Classification by Re-generation: Towards Classification Based on Variational Inference," in Proc. 26th European Signal Processing Conference (EUSIPCO), Rome, Italy, 2018. [pdf|bib]
@inproceedings { Rezaeifar2018eusipco,
    author = { Shideh Rezaeifar and Olga Taran and Slava Voloshynovskiy },
    booktitle = { 26th European Signal Processing Conference (EUSIPCO) },
    title = { Classification by Re-generation: Towards Classification Based on Variational Inference },
    address = { Rome, Italy },
    pages = { },
    month = { September },
    year = { 2018 }
}
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O. Taran, S. Rezaeifar, and S. Voloshynovskiy, "Bridging machine learning and cryptography in defence against adversarial attacks," in Proc. Workshop on Objectionable Content and Misinformation (WOCM), ECCV2018, Munich, Germany, 2018. [pdf|bib]
@inproceedings { Taran2018WOCM,
    author = { Olga Taran and Shideh Rezaeifar and Slava Voloshynovskiy },
    booktitle = { Workshop on Objectionable Content and Misinformation (WOCM), ECCV2018 },
    title = { Bridging machine learning and cryptography in defence against adversarial attacks },
    address = { Munich, Germany },
    pages = { },
    month = { September },
    year = { 2018 }
}
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B. Razeghi and S. Voloshynovskiy, "Privacy-Preserving Outsourced Media Search Using Secure Sparse Ternary Codes," in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Calgary, Alberta, Canada, 2018. [pdf|bib]
@inproceedings { Razeghi2018icassp,
    author = { Razeghi, Behrooz and Voloshynovskiy, Slava },
    booktitle = { IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) },
    title = { Privacy-Preserving Outsourced Media Search Using Secure Sparse Ternary Codes },
    address = { Calgary, Alberta, Canada },
    month = { April },
    pages = { },
    year = { 2018 }
}
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S. Ferdowsi, S. Voloshynovskiy, and D. Kostadinov, "Vector compression for similarity search using multi-layer Sparse Ternary Codes," in Proc. 2018 IEEE Data Science Workshop (DSW2018), Lausanne, Switzerland, 2018. [pdf|bib]
@inproceedings { Sohrab_DSW18,
    author = { Sohrab Ferdowsi and Slava Voloshynovskiy and Dimche Kostadinov },
    booktitle = { 2018 IEEE Data Science Workshop (DSW2018) },
    title = { Vector compression for similarity search using multi-layer Sparse Ternary Codes },
    address = { Lausanne, Switzerland },
    year = { 2018 },
    month = { Jun }
}
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M. Ferrari, O. Taran, T. Holotyak, K. Egiazarian, and S. Voloshynovskiy, "Injecting Image Priors into Learnable Compressive Subsampling," in Proc. 26th European Signal Processing Conference (EUSIPCO), Rome, Italy, 2018. [pdf|bib]
@inproceedings { Taran2018eusipco,
    author = { Ferrari, Martino and Taran, Olga and Holotyak, Taras and Egiazarian, Karen and Voloshynovskiy, Slava },
    booktitle = { 26th European Signal Processing Conference (EUSIPCO) },
    title = { Injecting Image Priors into Learnable Compressive Subsampling },
    address = { Rome, Italy },
    pages = { },
    month = { September },
    year = { 2018 }
}
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B. Razeghi, S. Voloshynovskiy, S. Ferdowsi, and D. Kostadinov, "Privacy-Preserving Identification via Layered Sparse Code Design: Distributed Servers and Multiple Access Authorization," in Proc. 26th European Signal Processing Conference (EUSIPCO), Rome, Italy, 2018. [pdf|bib]
@inproceedings { Razeghi2018eusipco,
    author = { Razeghi, Behrooz and Voloshynovskiy, Slava and Ferdowsi, Sohrab and Kostadinov, Dimche },
    booktitle = { 26th European Signal Processing Conference (EUSIPCO) },
    title = { Privacy-Preserving Identification via Layered Sparse Code Design: Distributed Servers and Multiple Access Authorization },
    address = { Rome, Italy },
    pages = { },
    month = { September },
    year = { 2018 }
}
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D. Ullmann, S.Voloshynovskiy, L.Kleint, S.Krucker, M.Melchior, C.Huwyler, and B.Panos, "DCT-Tensor-Net for solar flares detection on IRIS data," in Proc. in Proc. 7-th European Workshop on Visual Information Processing (EUVIP), Tampere, Finland, 2018. [pdf|bib]
@inproceedings { Ullmann2018:EUVIP,
    author = { D. Ullmann, and S.Voloshynovskiy, and L.Kleint, and S.Krucker, and M.Melchior, and C.Huwyler, and B.Panos },
    title = { DCT-Tensor-Net for solar flares detection on IRIS data },
    booktitle = { in Proc. 7-th European Workshop on Visual Information Processing (EUVIP) },
    year = { 2018 },
    month = { November },
    pages = { },
    address = { Tampere, Finland }
}
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J. Ramapuram, M. Diephuis, R. Webb, and A. Kalousis, "Variational Saccading: Efficient Inference for Large Resolution Images," in Proc. Neural Information Processing Systems (NeurIPS), Bayesian Deep Learning workshop, Montreal, Canada, 2018. [pdf|bib]
@inproceedings { Ramapuram2018:NeurIPS,
    title = { Variational Saccading: Efficient Inference for Large Resolution Images },
    author = { Jason Ramapuram and Maurits Diephuis and Russ Webb and Alexandros Kalousis },
    booktitle = { Neural Information Processing Systems (NeurIPS), Bayesian Deep Learning workshop },
    year = { 2018 },
    month = { December },
    address = { Montreal, Canada }
}
Close
D. Kostadinov, S.Voloshynovskiy, and S.Ferdowsi, "Active Content Fingerprinting Using Latent Data Representation, Extractor and Reconstructor," in Proc. 26th European Signal Processing Conference (EUSIPCO), Rome, Italy, 2018. [pdf|bib]
@inproceedings { Kostadinov2018:EUSIPCO,
    author = { D. Kostadinov, and S.Voloshynovskiy, and S.Ferdowsi },
    booktitle = { 26th European Signal Processing Conference (EUSIPCO) },
    title = { Active Content Fingerprinting Using Latent Data Representation, Extractor and Reconstructor },
    address = { Rome, Italy },
    pages = { },
    month = { September },
    year = { 2018 }
}
Close
S. Bonev and S. Voloshynovskiy, "Secure printing for labels and packaging using industrial digital printers: authentication of printed matrix codes with smartphone cameras," in Proc. 45th Iarigai Conference Advances in Printing and Media Technology: From Printing to Manufacturing, Warsaw, Poland, 2018. [pdf|bib]
@inproceedings { Bonev2018:iarigai,
    title = { Secure printing for labels and packaging using industrial digital printers: authentication of printed matrix codes with smartphone cameras },
    author = { Slavi Bonev and Slava Voloshynovskiy },
    booktitle = { 45th Iarigai Conference Advances in Printing and Media Technology: From Printing to Manufacturing },
    year = { 2018 },
    month = { October },
    address = { Warsaw, Poland }
}
Close
D. Kostadinov, B. Razeghi, S.Voloshynovskiy, and S.Ferdowsi, "Learning Discrimination Specific, Self-Collaborative and Nonlinear Model," in Proc. IEEE Internacial Conference on Big Knowlage (ICBK), Singapore, 2018. [pdf|bib]
@inproceedings { Kostadinov2018:ICBK,
    author = { D. Kostadinov, and B. Razeghi, and S.Voloshynovskiy, and S.Ferdowsi },
    year = { 2018 },
    month = { November },
    title = { Learning Discrimination Specific, Self-Collaborative and Nonlinear Model },
    booktitle = { IEEE Internacial Conference on Big Knowlage (ICBK) },
    pages = { },
    address = { Singapore }
}
Close
D. Kostadinov, S.Voloshynovskiy, and S.Ferdowsi, "Learning Overcomplete and Sparsifying Transform with Approximate and Exact Closed Form Solutions," in Proc. 7-th European Workshop on Visual Information Processing (Best Student Paper Award), Tampere, Finland, 2018. [pdf|bib]
@inproceedings { Kostadinov2018:EUVIP,
    author = { D. Kostadinov, and S.Voloshynovskiy, and S.Ferdowsi },
    title = { Learning Overcomplete and Sparsifying Transform with Approximate and Exact Closed Form Solutions },
    booktitle = { 7-th European Workshop on Visual Information Processing (Best Student Paper Award) },
    year = { 2018 },
    month = { November },
    pages = { },
    address = { Tampere, Finland }
}
Close
C. Thomas, D. C. A, V. Sviatoslav, and W. J, "Replication of the principal component analyses of the human genome diversity panel [version 1; referees: awaiting peer review]," F1000Research, vol. 6, iss. 278, 2017. [link|bib]
@article { charlon2017:10.12688:f1000research.11055.1,
    author = { Charlon Thomas and Di Cara A and Voloshynovskiy Sviatoslav and Wojcik J },
    title = { Replication of the principal component analyses of the human genome diversity panel [version 1; referees: awaiting peer review] },
    journal = { F1000Research },
    volume = { 6 },
    number = { 278 },
    year = { 2017 }
}
Close
D. Kostadinov, S. Volshinovsky, and S. Ferdowsi, "Learning non-structured, overcomplete and sparsifying transform," in Proc. Signal Processing with Adaptive Sparse Structured Representations (SPARS), Lisbon, Portugal, 2017. [pdf|bib]
@inproceedings { SPARS:Kostadinov2017,
    author = { Dimche Kostadinov and Sviatoslav Volshinovsky and Sohrab Ferdowsi },
    title = { Learning non-structured, overcomplete and sparsifying transform },
    booktitle = { Signal Processing with Adaptive Sparse Structured Representations (SPARS), Lisbon, Portugal },
    month = { June },
    year = { 2017 }
}
Close
S. Ferdowsi, S. Volshinovsky, and D. Kostadinov, "Regularized Residual Quantization: a multi-layer sparse dictionary learning approach," in Proc. Signal Processing with Adaptive Sparse Structured Representations (SPARS), Lisbon, Portugal, 2017. [pdf|bib]
@inproceedings { SPARS:Ferdowsi2017,
    author = { Sohrab Ferdowsi and Sviatoslav Volshinovsky and Dimche Kostadinov },
    title = { Regularized Residual Quantization: a multi-layer sparse dictionary learning approach },
    booktitle = { Signal Processing with Adaptive Sparse Structured Representations (SPARS), Lisbon, Portugal },
    month = { June },
    year = { 2017 }
}
Close
S. Ferdowsi, S. Voloshynovskiy, and D. Kostadinov, "A multi-layer image representation using Regularized Residual Quantization: application to compression and denoising," in Proc. ICIP, Beijing, China, 2017. [pdf|bib]
@inproceedings { Ferdowsi:2017:ICIP,
    author = { Sohrab Ferdowsi and Slava Voloshynovskiy and Dimche Kostadinov },
    booktitle = { ICIP },
    title = { A multi-layer image representation using Regularized Residual Quantization: application to compression and denoising },
    year = { 2017 },
    month = { September, 17-20 },
    address = { Beijing, China }
}
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O. Taran, S. Rezaeifar, O. Dabrowski, J. Schlechten, T. Holotyak, and S. Voloshynovskiy, "PharmaPack: mobile fine-grained recognition of pharma packages," in Proc. European Signal Processing Conference (EUSIPCO), Kos, Grece, 2017. [pdf|bib]
@inproceedings { Taran:2017:EUSIPCO,
    author = { Olga Taran and Shideh Rezaeifar and Oscar Dabrowski and Jonathan Schlechten and Taras Holotyak and Slava Voloshynovskiy },
    title = { PharmaPack: mobile fine-grained recognition of pharma packages },
    booktitle = { European Signal Processing Conference (EUSIPCO) },
    month = { 28 August - 2 September },
    year = { 2017 },
    address = { Kos, Grece }
}
Close
S. Ferdowsi, S. Voloshynovskiy, D. Kostadinov, and T. Holotyak, "Sparse Ternary Codes for similarity search have higher coding gain than dense binary codes," in Proc. 2017 IEEE International Symposium on Information Theory (ISIT) (ISIT'2017), Aachen, Germany, 2017. [pdf|bib]
@inproceedings { Ferd1706:Sparse,
    author = { Sohrab Ferdowsi and Sviatoslav Voloshynovskiy and Dimche Kostadinov and Taras Holotyak },
    title = { Sparse Ternary Codes for similarity search have higher coding gain than dense binary codes },
    booktitle = { 2017 IEEE International Symposium on Information Theory (ISIT) (ISIT'2017) },
    address = { Aachen, Germany },
    days = { 24 },
    month = { june },
    year = { 2017 },
    keywords = { pproximate Nearest Neighbor search; content identification; binary hashing; coding gain; sparse representation },
    abstract = { This paper addresses the problem of Approximate Nearest Neighbor (ANN) search in pattern recognition where feature vectors in a database are encoded as compact codes in order to speed-up the similarity search in large-scale databases. Considering the ANN problem from an information-theoretic perspective, we interpret it as an encoding which maps the original feature vectors to a less-entropic sparse representation while requiring them to be as informative as possible. We then define the coding gain for ANN search using information-theoretic measures. We next show that the classical approach to this problem which consists of binarization of the projected vectors is sub-optimal. Instead, we show that a recently proposed ternary encoding achieves higher coding gains. }
}
Close
B. Razeghi, S. Voloshynovskiy, D. Kostadinov, and O. Taran, "Privacy Preserving Identification Using Sparse Approximation with Ambiguization," in Proc. IEEE International Workshop on Information Forensics and Security (WIFS), Rennes, France, 2017, pp. 1-6. [pdf|bib]
@inproceedings { Razeghi2017wifs,
    author = { Razeghi, Behrooz and Voloshynovskiy, Slava and Kostadinov, Dimche and Taran, Olga },
    booktitle = { IEEE International Workshop on Information Forensics and Security (WIFS) },
    title = { Privacy Preserving Identification Using Sparse Approximation with Ambiguization },
    address = { Rennes, France },
    pages = { 1--6 },
    month = { December },
    year = { 2017 }
}
Close
D. Kostadinov, S. Volshinovsky, and S. Ferdowsi, "Joint Learning of Local Fingerprint and Content Modulation," in Proc. EUSIPCO, Kos, Grece, 2017. [pdf|bib]
@inproceedings { Kostadinov:2017:EUSIPCO2017,
    author = { Dimche Kostadinov and Sviatoslav Volshinovsky and Sohrab Ferdowsi },
    title = { Joint Learning of Local Fingerprint and Content Modulation },
    booktitle = { EUSIPCO, Kos, Grece },
    month = { October, 1-5 },
    year = { 2017 }
}
Close
D. Kostadinov, S. Voloshynovskiy, M. Diephuis, and T. Holotyak, "Local active content fingerprinting: optimal solution under linear modulation," in Proc. ICIP, Phoenix, USA, 2016. [pdf|bib]
@inproceedings { Kostadinov:2016:ICIP,
    author = { Dimche Kostadinov and Sviatoslav Voloshynovskiy and Maurits Diephuis and Taras Holotyak },
    booktitle = { ICIP },
    title = { Local active content fingerprinting: optimal solution under linear modulation },
    year = { 2016 },
    month = { September, 25-28 },
    address = { Phoenix, USA }
}
Close
T. H. S. Thomas Dewaele Maurits Diephuis, "Forensic authentication of banknotes on mobile phones," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V, San Francisco, USA, 2016. [pdf|bib]
@inproceedings { Dewaele:2016:SPIE,
    author = { Thomas Dewaele, Maurits Diephuis, Taras Holotyak, Sviatoslav~Voloshynovskiy },
    title = { Forensic authentication of banknotes on mobile phones },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V },
    year = { 2016 },
    month = { January, 14-18 },
    address = { San Francisco, USA }
}
Close
D. Kostadinov, S. Voloshynovskiy, M. Diephuis, S. Ferdowsi, and T. Holotyak, "On local active content fingerprinting: solutions for general linear feature maps," in Proc. ICPR, Cancun, Mexico, 2016. [pdf|bib]
@inproceedings { Kostadinov:2016:ICPR,
    author = { Dimche Kostadinov and Sviatoslav Voloshynovskiy and Maurits Diephuis and Sohrab Ferdowsi and Taras Holotyak },
    booktitle = { ICPR },
    title = { On local active content fingerprinting: solutions for general linear feature maps },
    year = { 2016 },
    month = { December, 2-4 },
    address = { Cancun, Mexico }
}
Close
S. Voloshynovskiy, P. Bas, and T. Holotyak, "Physical object authentication: detection-theoretic comparison of natural and artificial randomness," in Proc. Acoustics, Speech and Signal Processing (ICASSP), 2016 IEEE International Conference on, Shanghai, China, 2016. [pdf|bib]
@inproceedings { Slava_ICASSP16_PUF,
    author = { Voloshynovskiy, S and Bas, P and Holotyak, T },
    booktitle = { Acoustics, Speech and Signal Processing (ICASSP), 2016 IEEE International Conference on },
    title = { Physical object authentication: detection-theoretic comparison of natural and artificial randomness },
    year = { 2016 },
    month = { March,20-25 },
    address = { Shanghai, China }
}
Close
S. Ferdowsi, S. Voloshynovskiy, D. Kostadinov, and T. Holotyak, "Fast content identification in high-dimensional feature spaces using Sparse Ternary Codes," in Proc. Information Forensics and Security (WIFS), 2016 IEEE International Workshop on, 2016, pp. 1-6. [pdf|bib]
@inproceedings { Sohrab_WIFS2016,
    author = { S. Ferdowsi and S. Voloshynovskiy and D. Kostadinov and T. Holotyak },
    booktitle = { Information Forensics and Security (WIFS), 2016 IEEE International Workshop on },
    title = { Fast content identification in high-dimensional feature spaces using Sparse Ternary Codes },
    year = { 2016 },
    pages = { 1-6 },
    month = { Dec }
}
Close
T. Charlon, M. Martínez-Bueno, L. Bossini-Castillo, D. F. Carmona, A. Di Cara, J. Wojcik, S. Voloshynovskiy, J. Martín, and M. E. Alarcón-Riquelme, "Single Nucleotide Polymorphism Clustering in Systemic Autoimmune Diseases," PloS one, vol. 11, iss. 8, 2016. [link|bib]
@article { charlon2016single,
    title = { Single Nucleotide Polymorphism Clustering in Systemic Autoimmune Diseases },
    author = { Charlon, Thomas and Mart{\'\i}nez-Bueno, Manuel and Bossini-Castillo, Lara and Carmona, F David and Di Cara, Alessandro and Wojcik, J{\'e}r{\^o}me and Voloshynovskiy, Sviatoslav and Mart{\'\i}n, Javier and Alarc{\'o}n-Riquelme, Marta E },
    journal = { PloS one },
    volume = { 11 },
    number = { 8 },
    year = { 2016 },
    publisher = { Public Library of Science }
}
Close
S. Voloshynovskiy, T. Holotyak, and F. Beekhof, "Soft content fingerprinting with bit polarization based on sign-magnitude decomposition," Information Forensics and Security, IEEE Transactions on, vol. PP, iss. 99, pp. 1-1, 2015. [pdf|bib]
@article { VoloshynovskiyTIFS2015,
    author = { Voloshynovskiy, S. and Holotyak, T. and Beekhof, F. },
    journal = { Information Forensics and Security, IEEE Transactions on },
    title = { Soft content fingerprinting with bit polarization based on sign-magnitude decomposition },
    year = { 2015 },
    month = { },
    volume = { PP },
    number = { 99 },
    pages = { 1-1 },
    keywords = { Biometrics (access control);Complexity theory;Decoding;Entropy;Mutual information;Noise measurement;Random variables },
    doi = { 10.1109/TIFS.2015.2432744 },
    issn = { 1556-6013 }
}
Close
S. Voloshynovskiy, M. Diephuis, and T. Holotyak, "Privacy preserving multimedia content identification for cloud based bag-of-feature architectures," in Proc. Workshop on Cloud Based Media in conjunction with the 2015 IEEE International Conference on Multimedia and Expo (ICME 2015), Torino, Italy, 2015. [pdf|bib]
@inproceedings { Voloshynovskiy:2015:ICME,
    author = { Sviatoslav Voloshynovskiy and Maurits Diephuis and Taras Holotyak },
    booktitle = { Workshop on Cloud Based Media in conjunction with the 2015 IEEE International Conference on Multimedia and Expo (ICME 2015) },
    title = { Privacy preserving multimedia content identification for cloud based bag-of-feature architectures },
    year = { 2015 },
    month = { July, 3 },
    address = { Torino, Italy }
}
Close
D. Kostadinov, S. Voloshynovskiy, M. Diephuis, and S. Ferdowsi, "Vector quantization with constrained likelihood for face recognition," in Proc. European Signal Processing Conference (EUSIPCO), Nice, France, 2015. [pdf|bib]
@inproceedings { Kostadinov:2015:EUSIPCO,
    author = { Dimche Kostadinov and Sviatoslav Voloshynovskiy and Maurits Diephuis and Sohrab Ferdowsi },
    booktitle = { European Signal Processing Conference (EUSIPCO) },
    title = { Vector quantization with constrained likelihood for face recognition },
    year = { 2015 },
    month = { 31 August - 4 September },
    address = { Nice, France }
}
Close
S. Voloshynovskiy, M. Diephuis, and T. Holotyak, "Mobile visual object identification: from SIFT-BoF-RANSAC to SketchPrint," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V, San Francisco, USA, 2015. [pdf|bib]
@inproceedings { Voloshynovskiy:2015:SPIE,
    author = { Sviatoslav Voloshynovskiy and Maurits Diephuis and Taras Holotyak },
    title = { Mobile visual object identification: from SIFT-BoF-RANSAC to SketchPrint },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V },
    year = { 2015 },
    month = { January, 13 },
    address = { San Francisco, USA }
}
Close
M. Diephuis, S. Voloshynovskiy, and T. Holotyak, "Fine-grained recognition of physical objects on mobile phones: from categorization to identification," in Proc. The Third Workshop on Fine-Grained Visual Categorization (FGVC^3) in conjunction with the CVPR2015 conference, Boston, United-States, 2015. [pdf|bib]
@inproceedings { Diephuis:2015:FGVC,
    author = { Maurits Diephuis and Sviatoslav Voloshynovskiy and Taras Holotyak },
    booktitle = { The Third Workshop on Fine-Grained Visual Categorization (FGVC^3) in conjunction with the CVPR2015 conference },
    title = { Fine-grained recognition of physical objects on mobile phones: from categorization to identification },
    year = { 2015 },
    month = { June, 7-12 },
    address = { Boston, United-States }
}
Close
M. Diephuis, S. Voloshynovskiy, and T. Holotyak, "Sketchprint: Physical object micro-structure identification using mobile phones," in Proc. European Signal Processing Conference (EUSIPCO), Nice, France, 2015. [bib]
@inproceedings { Diephuis:2015:EUSIPCO,
    author = { Maurits Diephuis and Sviatoslav Voloshynovskiy and Taras Holotyak },
    booktitle = { European Signal Processing Conference (EUSIPCO) },
    title = { Sketchprint: Physical object micro-structure identification using mobile phones },
    year = { 2015 },
    month = { 31 August - 4 September },
    address = { Nice, France }
}
Close
D. Kostadinov, S. Voloshynovskiy, S. Ferdowsi, M. Diephuis, and R. Scherer, "Supervised Transform Learning for Face Recognition," , Rutkowski, L., Korytkowski, M., Scherer, R., Tadeusiewicz, R., Zadeh, L. A., and Zurada, J. M., Eds., Springer International Publishing, 2015, vol. 9119, pp. 737-746. [link|bib]
@incollection { ,
    year = { 2015 },
    isbn = { 978-3-319-19323-6 },
    booktitle = { Artificial Intelligence and Soft Computing },
    volume = { 9119 },
    series = { Lecture Notes in Computer Science },
    editor = { Rutkowski, Leszek and Korytkowski, Marcin and Scherer, Rafal and Tadeusiewicz, Ryszard and Zadeh, Lotfi A. and Zurada, Jacek M. },
    doi = { 10.1007/978-3-319-19324-3_66 },
    title = { Supervised Transform Learning for Face Recognition },
    publisher = { Springer International Publishing },
    keywords = { Supervised sparsifying transform; Sparse representation; Dictionary learning; Face recognition },
    author = { Kostadinov, Dimche and Voloshynovskiy, Sviatoslav and Ferdowsi, Sohrab and Diephuis, Maurits and Scherer, Rafał },
    pages = { 737-746 },
    language = { English }
}
Close
F. Farhadzadeh, F. Willems, and S.Voloshynovskiy, "Information-Theoretical Limits of Active Content Fingerprinting in Content-based Identification Systems," in Proc. Proceedings of IEEE International Workshop on Information Forensics and Security, Rome, Italy, 2015. [pdf|bib]
@inproceedings { Farzad:WIFS2015,
    author = { F. Farhadzadeh and F. Willems and S.Voloshynovskiy },
    booktitle = { Proceedings of IEEE International Workshop on Information Forensics and Security },
    year = { 2015 },
    address = { Rome, Italy },
    month = { November 16--19 },
    title = { Information-Theoretical Limits of Active Content Fingerprinting in Content-based Identification Systems }
}
Close
S. Ferdowsi, S. Voloshynovskiy, and D. Kostadinov, "Sparse Multi-layer Image Approximation: Facial Image Compression," ArXiv e-prints, 2015. [pdf|bib]
@article { 2015arXiv150603998F,
    author = { Ferdowsi, S. and Voloshynovskiy, S. and Kostadinov, D. },
    title = { Sparse Multi-layer Image Approximation: Facial Image Compression },
    journal = { ArXiv e-prints },
    archiveprefix = { arXiv },
    eprint = { 1506.03998 },
    keywords = { Computer Science - Computer Vision and Pattern Recognition, Computer Science - Information Theory },
    year = { 2015 },
    month = { jun }
}
Close
S. Ferdowsi, S. Voloshynovskiy, D. Kostadinov, M. Korytkowski, and R. Scherer, "Secure Representation of Images Using Multi-layer Compression," , Rutkowski, L., Korytkowski, M., Scherer, R., Tadeusiewicz, R., Zadeh, L. A., and Zurada, J. M., Eds., Springer International Publishing, 2015, vol. 9119, pp. 696-705. [pdf|bib]
@incollection { ,
    year = { 2015 },
    isbn = { 978-3-319-19323-6 },
    booktitle = { Artificial Intelligence and Soft Computing },
    volume = { 9119 },
    series = { Lecture Notes in Computer Science },
    editor = { Rutkowski, Leszek and Korytkowski, Marcin and Scherer, Rafal and Tadeusiewicz, Ryszard and Zadeh, Lotfi A. and Zurada, Jacek M. },
    doi = { 10.1007/978-3-319-19324-3_62 },
    title = { Secure Representation of Images Using Multi-layer Compression },
    publisher = { Springer International Publishing },
    keywords = { Image compression; Image scrambling; Dictionary learning; Rate-distortion theory; Privacy preservation },
    author = { Ferdowsi, Sohrab and Voloshynovskiy, Sviatoslav and Kostadinov, Dimche and Korytkowski, Marcin and Scherer, Rafał },
    pages = { 696-705 },
    language = { English }
}
Close
S. Voloshynovskiy, M. Diephuis, and T. Holotyak, "Performance analysis of bag-of-features based content identification systems," in Proc. Proceedings of 2014 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Florence, Italy, 2014. [pdf|bib]
@inproceedings { Diephuis:2014:ICCASP,
    author = { Svyatoslav Voloshynovskiy and Maurits Diephuis and Taras Holotyak },
    title = { Performance analysis of bag-of-features based content identification systems },
    booktitle = { Proceedings of 2014 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) },
    year = { 2014 },
    month = { may, 4-9 },
    address = { Florence, Italy }
}
Close
S. Ferdowsi and S. Voloshynovskiy, "Content identification: machine learning meets coding," in Proc. 35th WIC Symposium on Information Theory in the Benelux, Enschede, the Netherlands, 2014, pp. 113-120. [pdf|bib]
@inproceedings { Ferdowsi:2014:WIC,
    month = { May },
    author = { Sohrab Ferdowsi and Svyatoslav Voloshynovskiy },
    booktitle = { 35th WIC Symposium on Information Theory in the Benelux },
    address = { Enschede, the Netherlands },
    title = { Content identification: machine learning meets coding },
    year = { 2014 },
    pages = { 113--120 }
}
Close
D. Kostadinov, S. Voloshynovskiy, S. Ferdowsi, M. Diephuis, and R. Scherer, "Robust Face Recognition by Group Sparse Representation That Uses Samples from List of Subjects," , Rutkowski, L., Korytkowski, M., Scherer, R., Tadeusiewicz, R., Zadeh, L., and Zurada, J., Eds., Springer International Publishing, 2014, vol. 8468, pp. 616-626. [link|bib]
@incollection { ,
    year = { 2014 },
    isbn = { 978-3-319-07175-6 },
    booktitle = { Artificial Intelligence and Soft Computing },
    volume = { 8468 },
    series = { Lecture Notes in Computer Science },
    editor = { Rutkowski, Leszek and Korytkowski, Marcin and Scherer, RafaÅ‚ and Tadeusiewicz, Ryszard and Zadeh, LotfiA. and Zurada, JacekM. },
    doi = { 10.1007/978-3-319-07176-3_54 },
    title = { Robust Face Recognition by Group Sparse Representation That Uses Samples from List of Subjects },
    publisher = { Springer International Publishing },
    keywords = { Face recognition; sparse representation; group sparsity },
    author = { Kostadinov, Dimche and Voloshynovskiy, Sviatoslav and Ferdowsi, Sohrab and Diephuis, Maurits and Scherer, RafaÅ‚ },
    pages = { 616-626 },
    language = { English }
}
Close
M. Diephuis, F. Beekhof, S. Voloshynovskiy, T. Holotyak, N. Standardo, and B. Keel, "A framework for fast and secure packaging identification on mobile phones," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V, San Francisco, USA, 2014. [pdf|bib]
@inproceedings { Diephuis:2014:SPIE,
    author = { Maurits Diephuis and Fokko Beekhof and Sviatoslav Voloshynovskiy and Taras Holotyak and Nabil Standardo and Bruno Keel },
    title = { A framework for fast and secure packaging identification on mobile phones },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V },
    year = { 2014 },
    month = { January, 23 },
    address = { San Francisco, USA }
}
Close
D. Kostadinov, S. Voloshynovskiy, and S. Ferdowsi, "Robust human face recognition based on locality preserving sparse over complete block approximation," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V, San Francisco, USA, 2014. [pdf|bib]
@inproceedings { Kostadinov:2014:SPIE,
    author = { Dimche Kostadinov and Svyatoslav Voloshynovskiy and Sohrab Ferdowsi },
    title = { Robust human face recognition based on locality preserving sparse over complete block approximation },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V },
    year = { 2014 },
    month = { January, 23 },
    address = { San Francisco, USA }
}
Close
S. Ferdowsi, S. Voloshynovskiy, and D. Kostadinov, "Content identification: binary content fingerprinting versus binary content encoding," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V, San Francisco, USA, 2014. [pdf|bib]
@inproceedings { Ferdowsi:2014:SPIE,
    author = { Sohrab Ferdowsi and Svyatoslav Voloshynovskiy and Dimche Kostadinov },
    title = { Content identification: binary content fingerprinting versus binary content encoding },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V },
    year = { 2014 },
    month = { January, 23 },
    address = { San Francisco, USA }
}
Close
J. Rygal, J. Romanowski, R. Scherer, and S. Ferdowsi, "Novel Algorithm for Translation from Image Content to Semantic Form," in Proc. Artificial Intelligence and Soft Computing - 13th International Conference, {ICAISC} 2014, Zakopane, Poland, June 1-5, 2014, Proceedings, Part {I}, 2014, pp. 783-792. [pdf|bib]
@inproceedings { DBLP:conf/icaisc/RygalRSF14,
    author = { Janusz Rygal and Jakub Romanowski and Rafal Scherer and Sohrab Ferdowsi },
    title = { Novel Algorithm for Translation from Image Content to Semantic Form },
    booktitle = { Artificial Intelligence and Soft Computing - 13th International Conference, {ICAISC} 2014, Zakopane, Poland, June 1-5, 2014, Proceedings, Part {I} },
    year = { 2014 },
    pages = { 783--792 },
    crossref = { DBLP:conf/icaisc/2014-1 },
    doi = { 10.1007/978-3-319-07173-2_67 },
    timestamp = { Mon, 15 Sep 2014 11:27:22 +0200 },
    bibsource = { dblp computer science bibliography, http://dblp.org }
}
Close
S. Voloshynovskiy, M. Diephuis, D. Kostadinov, F. Farhadzadeh, and T. Holotyak, "On accuracy, robustness and security of bag-of-word search systems," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V, San Francisco, USA, 2014. [pdf|bib]
@inproceedings { Slava:2014:SPIE,
    author = { Sviatoslav Voloshynovskiy and Maurits Diephuis and Dimche Kostadinov and Farzad Farhadzadeh and Taras Holotyak },
    title = { On accuracy, robustness and security of bag-of-word search systems },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security V },
    year = { 2014 },
    month = { January, 23 },
    address = { San Francisco, USA }
}
Close
D. Kostadinov, S. Voloshynovskiy, and M. Diephuis, "Visual information encoding for face recognition: sparse coding vs vector quantization," in Proc. Symposium on Information Theory in the Benelux, 4th Joint WIC IEEE Symposium on Information Theory and Signal Processing in the Benelux, Eindhoven, Netherlands, 2014. [pdf|bib]
@inproceedings { WIC:Kostadinov:2014,
    title = { Visual information encoding for face recognition: sparse coding vs vector quantization },
    author = { Dimche Kostadinov and Sviatoslav Voloshynovskiy and Maurits Diephuis },
    booktitle = { Symposium on Information Theory in the Benelux, 4th Joint WIC IEEE Symposium on Information Theory and Signal Processing in the Benelux },
    volume = { 35 },
    year = { 2014 },
    month = { 05/2014 },
    address = { Eindhoven, Netherlands }
}
Close
F. Farhadzadeh and S. Voloshynovskiy, "Active Content Fingerpriting," Information Forensics and Security, IEEE Transactions on, vol. 9, iss. 6, pp. 905-920, 2014. [pdf|bib]
@article { 6782667,
    author = { Farhadzadeh, F. and Voloshynovskiy, S. },
    journal = { Information Forensics and Security, IEEE Transactions on },
    title = { Active Content Fingerpriting },
    year = { 2014 },
    month = { June },
    volume = { 9 },
    number = { 6 },
    pages = { 905-920 },
    keywords = { error statistics;fingerprint identification;image watermarking;active content fingerpriting;bit error rate;content protection;digital watermarking;distribution monitoring;encoding process;encoding strategies;physical objects;Complexity theory;Decoding;Lattices;Modulation;Quantization (signal);Vectors;Watermarking;Content identification;bit error rate;digital fingerprint;digital watermark;probability of correct identification;probability of false acceptance },
    doi = { 10.1109/TIFS.2014.2315531 },
    issn = { 1556-6013 }
}
Close
F. Farhadzadeh, F. Willems, and S. Voloshynovskiy, "Information theoretical analysis of identification based on active content fingerprinting," in Proc. 35th WIC Symposium on Information Theory in the Benelux, Enschede, the Netherlands, 2014, pp. 134-139. [pdf|bib]
@inproceedings { Farhadzadeh:2014:WIC,
    month = { May },
    author = { Farzad Farhadzadeh and Frans Willems and Sviatoslav Voloshynovskiy },
    booktitle = { 35th WIC Symposium on Information Theory in the Benelux },
    address = { Enschede, the Netherlands },
    title = { Information theoretical analysis of identification based on active content fingerprinting },
    volume = { 35 },
    year = { 2014 },
    pages = { 134--139 }
}
Close
S. Ferdowsi, S. Voloshynovskiy, M. Gabryel, and M. Korytkowski, "Multi-class Classification: {A} Coding Based Space Partitioning," in Proc. Artificial Intelligence and Soft Computing - 13th International Conference, {ICAISC} 2014, Zakopane, Poland, June 1-5, 2014, Proceedings, Part {II}, 2014, pp. 593-604. [pdf|bib]
@inproceedings { DBLP:conf/icaisc/FerdowsiVGK14,
    author = { Sohrab Ferdowsi and Sviatoslav Voloshynovskiy and Marcin Gabryel and Marcin Korytkowski },
    title = { Multi-class Classification: {A} Coding Based Space Partitioning },
    booktitle = { Artificial Intelligence and Soft Computing - 13th International Conference, {ICAISC} 2014, Zakopane, Poland, June 1-5, 2014, Proceedings, Part {II} },
    year = { 2014 },
    pages = { 593--604 },
    crossref = { DBLP:conf/icaisc/2014-2 },
    doi = { 10.1007/978-3-319-07176-3_52 },
    timestamp = { Mon, 15 Sep 2014 11:27:49 +0200 },
    bibsource = { dblp computer science bibliography, http://dblp.org }
}
Close
T. Nowak, P. Najgebauer, J. Romanowski, M. Gabryel, M. Korytkowski, R. Scherer, and D. Kostadinov, "Spatial Keypoint Representation for Visual Object Retrieval," in Proc. Artificial Intelligence and Soft Computing - 13th International Conference, {ICAISC} 2014, Zakopane, Poland, June 1-5, 2014, Proceedings, Part {II}, 2014, pp. 639-650. [link|bib]
@inproceedings { DBLP:conf/icaisc/NowakNRGKSK14,
    author = { Tomasz Nowak and Patryk Najgebauer and Jakub Romanowski and Marcin Gabryel and Marcin Korytkowski and Rafal Scherer and Dimce Kostadinov },
    title = { Spatial Keypoint Representation for Visual Object Retrieval },
    booktitle = { Artificial Intelligence and Soft Computing - 13th International Conference, {ICAISC} 2014, Zakopane, Poland, June 1-5, 2014, Proceedings, Part {II} },
    year = { 2014 },
    pages = { 639--650 },
    crossref = { DBLP:conf/icaisc/2014-2 },
    doi = { 10.1007/978-3-319-07176-3_56 },
    timestamp = { Mon, 15 Sep 2014 12:27:10 +0200 },
    bibsource = { dblp computer science bibliography, http://dblp.org }
}
Close
S. Voloshynovskiy, M. Diephuis, F. Beekhof, and F. Farhadzadeh, "Physical object authentication with correlated camera noise.," in Proc. 15. GI-Fachtagung Datenbanksysteme für Business, Technologie und Web(BTW), Magdeburg, Germany, 2013. [pdf|bib]
@inproceedings { Diephuis:2013:BTW,
    author = { Svyatoslav Voloshynovskiy and Maurits Diephuis and Fokko Beekhof and Farzad Farhadzadeh },
    title = { Physical object authentication with correlated camera noise. },
    booktitle = { 15. GI-Fachtagung Datenbanksysteme für Business, Technologie und Web(BTW) },
    year = { 2013 },
    month = { march, 11-15 },
    address = { Magdeburg, Germany }
}
Close
F. Farhadzadeh, F. M. J. Willems, and S. Voloshynovskiy, "Fundamental Limits of Identification: Identification rate, search and memory complexity trade--off," in Proc. IEEE International Symposium on Information Theory (ISIT), Istanbul, Turkey, 2013. [pdf|bib]
@inproceedings { Farzad:ISIT:2013,
    author = { Farzad Farhadzadeh and Frans M.J. Willems and Sviatoslav Voloshynovskiy },
    title = { Fundamental Limits of Identification: Identification rate, search and memory complexity trade--off },
    booktitle = { IEEE International Symposium on Information Theory (ISIT) },
    address = { Istanbul, Turkey },
    month = { July 7--12 },
    year = { 2013 }
}
Close
F. Farhadzadeh, S. Voloshynovskiy, T. Holotyak, and F. Beekhof, "Active content fingerprinting: Shrinkage and lattice based modulations," in Proc. Acoustics, Speech and Signal Processing (ICASSP), 2013 IEEE International Conference on, 2013, pp. 3073-3077. [bib]
@inproceedings { Farhadzaedeh:2013:ICASSP,
    author = { Farhadzadeh, F. and Voloshynovskiy, S. and Holotyak, T. and Beekhof, F. },
    booktitle = { Acoustics, Speech and Signal Processing (ICASSP), 2013 IEEE International Conference on },
    title = { Active content fingerprinting: Shrinkage and lattice based modulations },
    year = { 2013 },
    pages = { 3073-3077 },
    keywords = { fingerprint identification;image watermarking;active content fingerprinting;additive noise;digital watermarking;lattice based modulations;modulation techniques;multidimensional lattice quantization;robust fingerprints;shrinkage based modulations;unidimensional shrinkage;Complexity theory;Decoding;Lattices;Modulation;Quantization (signal);Vectors;Watermarking;Content identification;content fingerprinting;lattice quantization/decoding;watermarking },
    doi = { 10.1109/ICASSP.2013.6638223 },
    issn = { 1520-6149 }
}
Close
M. Diephuis, S. Voloshynovskiy, and F. Beekhof, "Physical object identification based on FAMOS microstructure fingerprinting: comparison of templates versus invariant features," in Proc. 8th International Symposium on Image and Signal Processing and Analysis, Trieste, Italy, 2013. [pdf|bib]
@inproceedings { Diephuis:ISPA:2013,
    author = { Maurits Diephuis and Sviatoslav Voloshynovskiy and Fokko Beekhof },
    title = { Physical object identification based on FAMOS microstructure fingerprinting: comparison of templates versus invariant features },
    booktitle = { 8th International Symposium on Image and Signal Processing and Analysis },
    year = { 2013 },
    month = { September, 4-6 },
    address = { Trieste, Italy }
}
Close
F. Beekhof, S. Voloshynovskiy, and F. Farhadzadeh, "Content Authentication and Identification under Informed Attacks," in Proc. Proceedings of IEEE International Workshop on Information Forensics and Security, Tenerife, Spain, 2012. [pdf|bib]
@inproceedings { Beekhof:2012ys,
    author = { F. Beekhof and S. Voloshynovskiy and F. Farhadzadeh },
    booktitle = { Proceedings of IEEE International Workshop on Information Forensics and Security },
    year = { 2012 },
    address = { Tenerife, Spain },
    month = { December 2--5 },
    title = { Content Authentication and Identification under Informed Attacks }
}
Close
M. Diephuis, S. Voloshynovskiy, O. Koval, and F. Beekhof, "Robust Message-Privacy Preserving Image Copy Detection for Cloud-based Systems," in Proc. CBMI 2012,10th Workshop on Content-Based Multimedia Indexing, 2012. [pdf|bib]
@inproceedings { Diephuis:2012fk,
    author = { Maurits Diephuis and Sviatoslav Voloshynovskiy and Oleksiy Koval and Fokko Beekhof },
    booktitle = { CBMI 2012,10th Workshop on Content-Based Multimedia Indexing },
    date-added = { 2012-11-28 15:59:28 +0000 },
    date-modified = { 2012-11-28 16:03:33 +0000 },
    title = { Robust Message-Privacy Preserving Image Copy Detection for Cloud-based Systems },
    year = { 2012 }
}
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S. Voloshynovskiy, M. Diephuis, F. Beekhof, O. Koval, and B. Keel, "Towards Reproducible results in authentication based on physical non-cloneable functions: The Forensic Authentication Microstructure Optical Set (FAMOS)," in Proc. Proceedings of IEEE International Workshop on Information Forensics and Security, Tenerife, Spain, 2012. [pdf|bib]
@inproceedings { Diephuis:2012:WIFS,
    author = { Sviatoslav Voloshynovskiy and Maurits Diephuis and Fokko Beekhof and Oleksiy Koval and Bruno Keel },
    title = { Towards Reproducible results in authentication based on physical non-cloneable functions: The Forensic Authentication Microstructure Optical Set (FAMOS) },
    year = { 2012 },
    address = { Tenerife, Spain },
    month = { December 2--5 },
    booktitle = { Proceedings of IEEE International Workshop on Information Forensics and Security }
}
Close
S.Voloshynovskiy, T. Holotyak, O. Koval, and F. Farhadzadeh, "Physical-layer Security based on Gaussian Wiretap Channel with Collaborative Wiretappers," in Proc. Proceedings of IEEE International Workshop on Information Forensics and Security, Tenerife, Spain, 2012. [pdf|bib]
@inproceedings { S.Voloshynovskiy:2012ly,
    author = { S.Voloshynovskiy and T. Holotyak and O. Koval and F. Farhadzadeh },
    booktitle = { Proceedings of IEEE International Workshop on Information Forensics and Security },
    year = { 2012 },
    address = { Tenerife, Spain },
    month = { December 2--5 },
    title = { Physical-layer Security based on Gaussian Wiretap Channel with Collaborative Wiretappers }
}
Close
F. Farhadzadeh, S. Voloshynovskiy, and O. J. Koval, "Performance Analysis of Content-Based Identification Using Constrained List-Based Decoding," IEEE Transactions on Information Forensics and Security, vol. 7, iss. 5, pp. 1652-1667, 2012. [pdf|bib]
@article { DBLP:journals/tifs/FarhadzadehVK12,
    author = { Farzad Farhadzadeh and Sviatoslav Voloshynovskiy and Oleksiy J. Koval },
    title = { Performance Analysis of Content-Based Identification Using Constrained List-Based Decoding },
    journal = { IEEE Transactions on Information Forensics and Security },
    volume = { 7 },
    number = { 5 },
    year = { 2012 },
    pages = { 1652-1667 },
    ee = { http://dx.doi.org/10.1109/TIFS.2012.2206026 }
}
Close
S.Voloshynovskiy, F. Farhadzadeh, O. Koval, and T. Holotyak, "Active content fingerprinting: a marriage of digital watermarking and content fingerprinting," in Proc. Proceedings of IEEE International Workshop on Information Forensics and Security, Tenerife, Spain, 2012. [pdf|bib]
@inproceedings { S.Voloshynovskiy:wifs2012,
    author = { S.Voloshynovskiy and F. Farhadzadeh and O. Koval and T. Holotyak },
    booktitle = { Proceedings of IEEE International Workshop on Information Forensics and Security },
    year = { 2012 },
    address = { Tenerife, Spain },
    month = { December 2--5 },
    title = { Active content fingerprinting: a marriage of digital watermarking and content fingerprinting }
}
Close
O. Koval, S. Voloshynovskiy, and F. Farhadzadeh, "Identification In Desynchronization Channels," in Proc. IEEE ITW, Paraty, Brazil, 2011. [pdf|bib]
@inproceedings { ,
    author = { O. Koval and S. Voloshynovskiy and F. Farhadzadeh },
    title = { Identification In Desynchronization Channels },
    booktitle = { IEEE ITW },
    address = { Paraty, Brazil },
    month = { October, 16-20 },
    year = { 2011 }
}
Close
V. Balakirsky, S. Voloshynovskiy, O. Koval, and T. Holotyak, "Information Theoretic Analysis of Privacy Protection for Noisy Identification Based on Soft Fingerprinting," in Proc. CSIT 2011, Yerevan, Armenia, 2011. [pdf|bib]
@inproceedings { ,
    author = { V. Balakirsky and S. Voloshynovskiy and O. Koval and T. Holotyak },
    title = { Information Theoretic Analysis of Privacy Protection for Noisy Identification Based on Soft Fingerprinting },
    booktitle = { CSIT 2011 },
    address = { Yerevan, Armenia },
    month = { September, 26-30 },
    year = { 2011 }
}
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T. Holotyak, S. Voloshynovskiy, F. Farhadzadeh, O. Koval, and F. Beekhof, "Fast physical object identification based on unclonable features and soft fingerprinting," in Proc. International Conference on Acoustics, Speech and Signal Processing ICASSP2011, Prague, Czech Republic, 2011. [pdf|bib]
@inproceedings { Holotyak:2011:ICASSP,
    author = { Taras Holotyak and Sviatoslav Voloshynovskiy and Farzad Farhadzadeh and Oleksiy Koval and Fokko Beekhof },
    title = { Fast physical object identification based on unclonable features and soft fingerprinting },
    booktitle = { International Conference on Acoustics, Speech and Signal Processing ICASSP2011 },
    year = { 2011 },
    month = { May, 22-27 },
    address = { Prague, Czech Republic }
}
Close
A. Harutyunyan, N. Grigoryan, S. Voloshynovskiy, and O. Koval, "A New Biometric Identification Model and the Multiple Hypothesis Testing for Arbitrarily Varying Objects," in Proc. Biometrie - BIOSIG2011 CAST workshop, Darmstadt, Germany, 2011. [pdf|bib]
@inproceedings { ,
    author = { A. Harutyunyan and N. Grigoryan and S. Voloshynovskiy and O. Koval },
    title = { A New Biometric Identification Model and the Multiple Hypothesis Testing for Arbitrarily Varying Objects },
    booktitle = { Biometrie - BIOSIG2011 CAST workshop },
    address = { Darmstadt, Germany },
    month = { September, 8-9 },
    year = { 2011 }
}
Close
O. Koval, S. Voloshynovskiy, F. Farhadzadeh, T. Holotyak, and F. Beekhof, "Geometrically robust perceptual fingerprinting: an asymmetric case," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security XIII, San Francisco, USA, 2011. [pdf|bib]
@inproceedings { Koval:2011:SPIE,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Farzad Farhadzadeh and Taras Holotyak and Fokko Beekhof },
    title = { Geometrically robust perceptual fingerprinting: an asymmetric case },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security XIII },
    year = { 2011 },
    month = { January, 23‚Äì26 },
    address = { San Francisco, USA }
}
Close
T. Holotyak, S. Voloshynovskiy, O. Koval, and F. Beekhof, "Trading-off privacy-complexity of identification problem," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security XIII, San Francisco, USA, 2011. [pdf|bib]
@inproceedings { Holotyak:2011:SPIE,
    author = { Taras Holotyak and Sviatoslav Voloshynovskiy and Oleksiy Koval and Fokko Beekhof },
    title = { Trading-off privacy-complexity of identification problem },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security XIII },
    year = { 2011 },
    month = { January, 23‚Äì26 },
    address = { San Francisco, USA }
}
Close
O. Koval, S. Voloshynovskiy, T. Holotyak, and F. Beekhof, "Information-theoretic analysis of desynchronization invariant object identification," in Proc. International Conference on Acoustics, Speech and Signal Processing ICASSP2011, Prague, Czech Republic, 2011. [pdf|bib]
@inproceedings { Koval:2011:ICASSP,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Taras Holotyak and Fokko Beekhof },
    title = { Information-theoretic analysis of desynchronization invariant object identification },
    booktitle = { International Conference on Acoustics, Speech and Signal Processing ICASSP2011 },
    year = { 2011 },
    month = { May, 22-27 },
    address = { Prague, Czech Republic }
}
Close
M. Diephuis, S. Voloshynovskiy, O. Koval, and F. Beekhof, "Statistical Analysis of Binarized SIFT Descriptors," in Proc. 7th International Symposium on Image and Signal Processing and Analysis, 2011. [pdf|bib]
@inproceedings { DiephuisSeptember4-62011,
    author = { M. Diephuis and Sviatoslav Voloshynovskiy and Oleksiy Koval and F. Beekhof },
    title = { Statistical Analysis of Binarized SIFT Descriptors },
    booktitle = { 7th International Symposium on Image and Signal Processing and Analysis },
    year = { 2011 },
    month = { September 4-6} address = {Dubrovnik, Croatia },
    owner = { Maurits },
    timestamp = { 2011.07.28 }
}
Close
N. Grigoryan, A. Harutyunyan, S. Voloshynovskiy, and O. Koval, "On Multiple Hypothesis Testing with Rejection Option," in Proc. IEEE ITW, Paraty, Brazil, 2011. [pdf|bib]
@inproceedings { ,
    author = { N. Grigoryan and A. Harutyunyan and S. Voloshynovskiy and O. Koval },
    title = { On Multiple Hypothesis Testing with Rejection Option },
    booktitle = { IEEE ITW },
    address = { Paraty, Brazil },
    month = { October, 16-20 },
    year = { 2011 }
}
Close
S. Voloshynovskiy, T. Holotyak, O. Koval, F. Beekhof, and F. Farhadzadeh, "Private content identification based on soft fingerprinting," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security XIII, San Francisco, USA, 2011. [pdf|bib]
@inproceedings { Voloshynovskiy:2011:SPIE,
    author = { Sviatoslav Voloshynovskiy and Taras Holotyak and Oleksiy Koval and Fokko Beekhof and Farzad Farhadzadeh },
    title = { Private content identification based on soft fingerprinting },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging, Media Forensics and Security XIII },
    year = { 2011 },
    month = { January, 23‚Äì26 },
    address = { San Francisco, USA }
}
Close
S. Voloshynovskiy, O. Koval, F. Beekhof, and T. Holotyak, "Theoretic Multiclass Classification Based on Binary Classifiers," Signal Processing Systems, vol. 65, pp. 413-430, 2011. [pdf|bib]
@article { Voloshynovskiy:2011:theoretic,
    title = { Theoretic Multiclass Classification Based on Binary Classifiers },
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fokko Beekhof and Taras Holotyak },
    journal = { Signal Processing Systems },
    year = { 2011 },
    volume = { 65 },
    pages = { 413-430 },
    note = { (accepted) }
}
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F. Farhadzadeh, S. Voloshynovskiy, O. Koval, and F. Beekhof, "Information-theoretic analysis of content based identification for correlated data," in Proc. IEEE Information Theory Workshop (ITW), Paraty, Brazil, 2011, pp. 205-209. [pdf|bib]
@inproceedings { Farzad:ITW:2011,
    author = { Farzad Farhadzadeh and Sviatoslav Voloshynovskiy and Oleksiy Koval and Fokko Beekhof },
    booktitle = { IEEE Information Theory Workshop (ITW) },
    title = { Information-theoretic analysis of content based identification for correlated data },
    year = { 2011 },
    pages = { 205-209 },
    address = { Paraty, Brazil }
}
Close
F. Farhadzadeh, S. Voloshynovskiy, O. Koval, T. Holotyak, and F. Beekhof, "Statistical analysis of digital image fingerprinting based on random projections," in Proc. Image and Signal Processing and Analysis (ISPA), 2011 7th International Symposium, Dubrovnik, Croatia, 2011. [pdf|bib]
@inproceedings { Farzad:ISPA:2011,
    author = { Farzad Farhadzadeh and Sviatoslav Voloshynovskiy and Oleksiy Koval and Taras Holotyak and Fokko Beekhof },
    title = { Statistical analysis of digital image fingerprinting based on random projections },
    booktitle = { Image and Signal Processing and Analysis (ISPA), 2011 7th International Symposium },
    year = { 2011 },
    address = { Dubrovnik, Croatia }
}
Close
S. Voloshynovskiy, T. Holotyak, O. Koval, F. Beekhof, and F. Farhadzadeh, "Sign-Magnitude Decomposition of Mutual Information with Polarization Effect in Digital Identification," in Proc. IEEE ITW, Paraty, Brazil, 2011. [pdf|bib]
@inproceedings { ,
    author = { S. Voloshynovskiy and T. Holotyak and O. Koval and F. Beekhof and F. Farhadzadeh },
    title = { Sign-Magnitude Decomposition of Mutual Information with Polarization Effect in Digital Identification },
    booktitle = { IEEE ITW },
    address = { Paraty, Brazil },
    month = { October, 16-20 },
    year = { 2011 }
}
Close
F. Farhadzadeh, S. Voloshynovskiy, and O. Koval, "Content-Identification: towards Capacity Based on Bounded Distance Decoder," in Proc. Applications of Information Theory, Coding and Security, Yerevan, Armenia, 2010. [pdf|bib]
@inproceedings { Farhadzadeh:2010:WAITCS,
    author = { Farzad Farhadzadeh and Sviatoslav Voloshynovskiy and Oleksiy Koval },
    title = { Content-Identification: towards Capacity Based on Bounded Distance Decoder },
    booktitle = { Applications of Information Theory, Coding and Security },
    year = { 2010 },
    address = { Yerevan, Armenia },
    month = { April, 14-16 },
    abstract = { In recent years, content identification based on digital fingerprinting attracts a lot of attention in different emerging applications. In this paper, we perform the information--theoretic analysis of finite length digital fingerprinting systems. We show that the identification capacity over the Binary Symmetric Channel (\bsc) is achievable by using Bounded Distance Decoder. }
}
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F. Farhadzadeh, S. Voloshynovskiy, and O. Koval, "Content Identification Based on digital fingerprint: what can be done if ML decoding fails?," in Proc. IEEE International Workshop on Multimedia Signal Processing, Saint-Malo, France, 2010. [bib]
@inproceedings { Farhadzadeh:2010:MMSP,
    author = { Farzad Farhadzadeh and Sviatoslav Voloshynovskiy and Oleksiy Koval },
    title = { Content Identification Based on digital fingerprint: what can be done if ML decoding fails? },
    booktitle = { IEEE International Workshop on Multimedia Signal Processing },
    year = { 2010 },
    address = { Saint-Malo, France },
    month = { October, 4-6 },
    abstract = { In this paper, the performance of the content identification based on digital fingerprinting and order statistic list decoding is analyzed by evaluating the probabilities of correct identification, false acceptance and the probability mass function of queried binary fingerprint position on the list of candidates. The particular attention is dedicated to the cases when traditional maximum likelihood decoder fails to produce the reliable content identification. The maximum likelihood decoding is shown to be a particular case of order statistic list decoding for the list size equals 1. We demonstrate the efficiency of the proposed content identification system performance by investigating the probability mass function behavior and imposing the constraint on the cardinality of list size. }
}
Close
F. Beekhof, S. Voloshynovskiy, O. Koval, and T. Holotyak, "On Accuracy, Privacy and Complexity in the Identification Problem," in Proc. Proceedings of SPIE / Multimedia Content Access: Algorithms and Systems IV, San Jose, USA, 2010. [pdf|bib]
@inproceedings { Beekhof:2010:SPIE,
    vgclass = { refpap },
    vgproject = { watermarking },
    title = { On Accuracy, Privacy and Complexity in the Identification Problem },
    author = { F. Beekhof and S. Voloshynovskiy and O. Koval and T. Holotyak },
    booktitle = { Proceedings of SPIE / Multimedia Content Access: Algorithms and Systems IV },
    year = { 2010 },
    month = { January 21--24 },
    address = { San Jose, USA }
}
Close
T. Holotyak, S. Voloshynovskiy, F. Beekhof, and O. Koval, "Fast identification of highly distorted images," in Proc. Proceedings of SPIE / Media Forensics and Security XII, San Jose, USA, 2010. [pdf|bib]
@inproceedings { Holotyak:2010:SPIE,
    vgclass = { refpap },
    vgproject = { watermarking },
    title = { Fast identification of highly distorted images },
    author = { T. Holotyak and S. Voloshynovskiy and F. Beekhof and O. Koval },
    booktitle = { Proceedings of SPIE / Media Forensics and Security XII },
    year = { 2010 },
    month = { January 21--24 },
    address = { San Jose, USA }
}
Close
F. Farhadzadeh, S. Voloshynovskiy, and O. Koval, "Performance Analysis of Identification System Based on Order Statistics List Decoder," in Proc. IEEE International Symposium on Information Theory, Austin, TX, 2010. [pdf|bib]
@inproceedings { Farhadzadeh:2010:ISIT,
    author = { Farzad Farhadzadeh and Sviatoslav Voloshynovskiy and Oleksiy Koval },
    title = { Performance Analysis of Identification System Based on Order Statistics List Decoder },
    booktitle = { IEEE International Symposium on Information Theory },
    year = { 2010 },
    address = { Austin, TX },
    month = { June, 13-18 },
    abstract = { In this work we advocate an approach for the statistical performance analysis of an identification system. The statistical performance analysis is accomplished for the corresponding probability of miss and false acceptance based on the order statistic list decoding framework }
}
Close
F. Farhadzadeh, S. Voloshynovskiy, and O. Koval, "Privacy Preserving Identification: Order Statistics List Decoding Perspective," in Proc. International Conference on Intelligent Information Hiding and Multimedia Signal Processing, Darmstadt, Germany, 2010. [pdf|bib]
@inproceedings { Farhadzadeh:2010:IIH,
    author = { Farzad Farhadzadeh and Sviatoslav Voloshynovskiy and Oleksiy Koval },
    title = { Privacy Preserving Identification: Order Statistics List Decoding Perspective },
    booktitle = { International Conference on Intelligent Information Hiding and Multimedia Signal Processing },
    year = { 2010 },
    address = { Darmstadt, Germany },
    month = { October, 15-17 },
    abstract = { In this paper, the performance of privacy preserving Biometric/Physical Unclonable Function identification based on the order statistic list decoding is analyzed by evaluating the corresponding probabilities of correct identification and false acceptance. We demonstrate the impact of candidate list size on the identification system performance and compare it with the unique identification setup. Finally, the influence of privacy amplification on the system performance is analyzed. },
    keywords = { biometric identification, privacy amplification, list decoding; order statistics, correct identification, false acceptance, receiver operating characteristic. }
}
Close
S. Voloshynovskiy, O. Koval, T. Holotyak, F. Beekhof, and F. Farhadzadeh, "Privacy amplification of content identification based on fingerprint bit reliability," in Proc. Proceedings of IEEE International Workshop on Information Forensics and Security, Seattle, The USA, 2010. [pdf|bib]
@inproceedings { Voloshynovskiy:2010:WIFS,
    title = { Privacy amplification of content identification based on fingerprint bit reliability },
    author = { S. Voloshynovskiy and O. Koval and T. Holotyak and F. Beekhof and F. Farhadzadeh },
    booktitle = { Proceedings of IEEE International Workshop on Information Forensics and Security },
    address = { Seattle, The USA },
    year = { 2010 },
    month = { December 12--15 }
}
Close
O. Koval and S. Voloshynovskiy, "Multimodal object authentication with random projections: a worst-case approach," in Proc. Proceedings of SPIE / Media Forensics and Security XII, San Jose, USA, 2010-1-21-24 2010. [pdf|bib]
@inproceedings { Koval:2010:SPIE,
    vgclass = { refpap },
    vgproject = { watermarking },
    title = { Multimodal object authentication with random projections: a worst-case approach },
    author = { O. Koval and S. Voloshynovskiy },
    booktitle = { Proceedings of SPIE / Media Forensics and Security XII },
    year = { 2010 },
    month = { January },
    date = { 2010-1-21-24 },
    address = { San Jose, USA }
}
Close
S. Voloshynovskiy, O. Koval, F. Beekhof, F. Farhadzadeh, and T. Holotyak, "Information-Theoretical Analysis of Private Content Identification," in Proc. IEEE Information Theory Workshop, ITW2010, Dublin, Ireland, 2010. [pdf|bib]
@inproceedings { Voloshynovskiy:2010:ITW,
    author = { S. Voloshynovskiy and O. Koval and F. Beekhof and F. Farhadzadeh and T. Holotyak },
    title = { Information-Theoretical Analysis of Private Content Identification },
    booktitle = { IEEE Information Theory Workshop, ITW2010 },
    year = { 2010 },
    month = { Aug.30-Sep.3 },
    address = { Dublin, Ireland }
}
Close
S. Voloshynovskiy, O. Koval, F. Beekhof, and T. Holotyak, "Binary Robust Hashing based on Probabilistic Bit Reliability," in Proc. Proceedings of the Workshop on Statistical Signal Processing, Cardiff, UK, 2009. [pdf|bib]
@inproceedings { Voloshynovskiy:2009:SSP,
    author = { S. Voloshynovskiy and O. Koval and F. Beekhof and T. Holotyak },
    title = { Binary Robust Hashing based on Probabilistic Bit Reliability },
    booktitle = { Proceedings of the Workshop on Statistical Signal Processing },
    year = { 2009 },
    address = { Cardiff, UK },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, F. Beekhof, and T. Holotyak, "Multi-class Classifiers based on Binary Classifiers: On Coding Matrix Design, Reliability and Maximum Number of Classes," in Proc. Proceedings of the IEEE International Workshop on MACHINE LEARNING FOR SIGNAL PROCESSING, Grenoble, France, 2009. [pdf|bib]
@inproceedings { Voloshynovskiy:2009:MLSP,
    author = { S. Voloshynovskiy and O. Koval and F. Beekhof and T. Holotyak },
    title = { Multi-class Classifiers based on Binary Classifiers: On Coding Matrix Design, Reliability and Maximum Number of Classes },
    booktitle = { Proceedings of the IEEE International Workshop on MACHINE LEARNING FOR SIGNAL PROCESSING },
    year = { 2009 },
    month = { September 2--4 },
    address = { Grenoble, France },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, F. Beekhof, and T. Pun, "Random projections based item authentication," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging / Media Forensics and Security XI, San Jose, USA, 2009. [pdf|bib]
@inproceedings { Voloshynovskiy:2009:SPIEb,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fokko Beekhof and Thierry Pun },
    title = { Random projections based item authentication },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging / Media Forensics and Security XI },
    address = { San Jose, USA },
    year = { 2009 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, F. Beekhof, and T. Pun, "Conception and limits of robust perceptual hashing: toward side information assisted hash functions," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging / Media Forensics and Security XI, San Jose, USA, 2009. [pdf|bib]
@inproceedings { Voloshynovskiy:2009:SPIE,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fokko Beekhof and Thierry Pun },
    title = { Conception and limits of robust perceptual hashing: toward side information assisted hash functions },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging / Media Forensics and Security XI },
    address = { San Jose, USA },
    year = { 2009 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
O. Koval, S. Voloshynovskiy, P. Bas, and F. Cayre, "On security threats for robust perceptual hashing," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging / Media Forensics and Security XI, San Jose, USA, 2009. [pdf|bib]
@inproceedings { Voloshynovskiy:2009:SPIEc,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Patrick Bas and Francois Cayre },
    title = { On security threats for robust perceptual hashing },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging / Media Forensics and Security XI },
    address = { San Jose, USA },
    year = { 2009 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, E. Topak, J. Vila-Forcén, and P. Comesana-Alfaro, "Partially reversible data hiding with pure message communications over state-dependent channels," Signal Processing, 2009. [pdf|bib]
@article { Voloshynovskiy:2009:SPReversible,
    title = { Partially reversible data hiding with pure message communications over state-dependent channels },
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Emre Topak and J{\'o}se-Emilio Vila-Forc{\'e}n and P. Comesana-Alfaro },
    journal = { Signal Processing },
    year = { 2009 },
    note = { (accepted) }
}
Close
F. Beekhof, S. Voloshynovskiy, O. Koval, and T. Holotyak, "Multi-class Classifiers based on Binary Classifiers: Performance, Efficiency, and Minimum Coding Matrix Distances," in Proc. Proceedings of the IEEE International Workshop on MACHINE LEARNING FOR SIGNAL PROCESSING, Grenoble, France, 2009. [pdf|bib]
@inproceedings { Beekhof:2009:MLSP,
    author = { F. Beekhof and S. Voloshynovskiy and O. Koval and T. Holotyak },
    title = { Multi-class Classifiers based on Binary Classifiers: Performance, Efficiency, and Minimum Coding Matrix Distances },
    booktitle = { Proceedings of the IEEE International Workshop on MACHINE LEARNING FOR SIGNAL PROCESSING },
    year = { 2009 },
    month = { September 2--4 },
    address = { Grenoble, France },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, F. Perez-Gonzalez, and M. K. Mihcak, "Informed data-hiding with partial side information at the decoder," submitted to Signal Processing, 2009. [pdf|bib]
@article { Voloshynovskiy:2009:SPInformed,
    title = { Informed data-hiding with partial side information at the decoder },
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fernando Perez-Gonzalez and Mehmet Kivanc Mihcak },
    journal = { submitted to Signal Processing },
    year = { 2009 },
    note = { (submitted) }
}
Close
F. Beekhof, S. Voloshynovskiy, O. Koval, and T. Holotyak, "Fast identification algorithms for forensic applications," in Proc. Proceedings of IEEE International Workshop on Information Forensics and Security, London, UK, 2009. [pdf|bib]
@inproceedings { Beekhof:2009:WIFS,
    vgclass = { refpap },
    vgproject = { watermarking },
    title = { Fast identification algorithms for forensic applications },
    author = { F. Beekhof and S. Voloshynovskiy and O. Koval and T. Holotyak },
    booktitle = { Proceedings of IEEE International Workshop on Information Forensics and Security },
    year = { 2009 },
    month = { December 6--9 },
    address = { London, UK }
}
Close
S. Voloshynovskiy, O. Koval, T. Holotyak, and F. Beekhof, "Privacy enhancement of common randomness based authentication: key rate maximized case," in Proc. Proceedings of IEEE International Workshop on Information Forensics and Security, London, UK, 2009. [pdf|bib]
@inproceedings { Voloshynovskiy:2009:WIFS,
    vgclass = { refpap },
    vgproject = { watermarking },
    title = { Privacy enhancement of common randomness based authentication: key rate maximized case },
    author = { S. Voloshynovskiy and O. Koval and T. Holotyak and F. Beekhof },
    booktitle = { Proceedings of IEEE International Workshop on Information Forensics and Security },
    address = { London, UK },
    year = { 2009 },
    month = { December 6--9 }
}
Close
S. Voloshynovskiy, O. Koval, and T. Pun, Secure item identification and authentication system based on unclonable features, 2009. [bib]
@misc { Voloshynovskiy:2009:Patent115611,
    vgclass = { refpap },
    vgproject = { watermarking },
    title = { Secure item identification and authentication system based on unclonable features },
    author = { S. Voloshynovskiy and O. Koval and T. Pun },
    howpublished = { Patent },
    note = { WO. Patent Application No WO 2009/115611 },
    month = { March 20 },
    year = { 2009 }
}
Close
S. Voloshynovskiy, F. Beekhof, O. Koval, and T. Holotyak, "On privacy preserving search in large scale distributed systems: a signal processing view on searchable encryption," in Proc. Proceedings of the International Workshop on Signal Processing in the EncryptEd Domain, Lausanne, Switzerland, 2009. [pdf|bib]
@inproceedings { Voloshynovskiy:2009:SPEED,
    vgclass = { refpap },
    vgproject = { watermarking },
    title = { On privacy preserving search in large scale distributed systems: a signal processing view on searchable encryption },
    author = { S. Voloshynovskiy and F. Beekhof and O. Koval and T. Holotyak },
    booktitle = { Proceedings of the International Workshop on Signal Processing in the EncryptEd Domain },
    address = { Lausanne, Switzerland },
    year = { 2009 }
}
Close
S. Voloshynovskiy, O. Koval, R. Villán, F. Beekhof, and T. Pun, "Authentication of Biometric Identification Documents via Mobile Devices," Journal of Electronic Imaging, 2008. [pdf|bib]
@article { Voloshynovskiy:2007:SPIE-Biometric,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Renato Vill{\'a}n and Fokko Beekhof and Thierry Pun },
    title = { Authentication of Biometric Identification Documents via Mobile Devices },
    journal = { Journal of Electronic Imaging },
    year = { 2008 },
    note = { (accepted) },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
R. Vill√°n Sebasti√°n, "Authentication of electronic and printed text documents," PhD Thesis , 2008. [bib]
@phdthesis { Renato:PhD,
    author = { Renato {Vill√°n Sebasti√°n} },
    title = { Authentication of electronic and printed text documents },
    school = { University of Geneva },
    year = { 2008 },
    vgclass = { thesis },
    vgproject = { watermarking }
}
Close
M. Haroutunian, S. Tonoyan, O. Koval, and S. Voloshynovskiy, "On reversible information hiding system," in Proc. Proceedings of the IEEE International Symposium on Information Theory, Toronto, Ontario, Canada, 2008. [pdf|bib]
@inproceedings { Haroutunian:2008:ISIT,
    author = { Mariam Haroutunian and Smbat Tonoyan and Oleksiy Koval and Sviatoslav Voloshynovskiy },
    title = { On reversible information hiding system },
    booktitle = { Proceedings of the IEEE International Symposium on Information Theory },
    year = { 2008 },
    month = { July 6--11 },
    address = { Toronto, Ontario, Canada },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, and T. Pun, "Multimodal authentication based on random projections and distributed coding," in Proc. Proceedings of the 10th ACM Workshop on Multimedia \& Security, Oxford, UK, 2008. [pdf|bib]
@inproceedings { Voloshynovskiy:2008:MMSec,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Multimodal authentication based on random projections and distributed coding },
    booktitle = { Proceedings of the 10th ACM Workshop on Multimedia \& Security },
    month = { September 22--23 },
    year = { 2008 },
    address = { Oxford, UK },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
O. Koval, S. Voloshynovskiy, and T. Pun, "Privacy-Preserving Multimodal Person and Object Identification," in Proc. Proceedings of the 10th ACM Workshop on Multimedia \& Security, Oxford, UK, 2008. [ps|bib]
@inproceedings { Koval:2008:MMSec,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Privacy-Preserving Multimodal Person and Object Identification },
    booktitle = { Proceedings of the 10th ACM Workshop on Multimedia \& Security },
    month = { September 22--23 },
    year = { 2008 },
    address = { Oxford, UK },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
T. Schürmann, Doppel-Herz: Parallelprogrammierung in C++ mit der OMPTL, 2008. [link| link|bib]
@misc { Beekhof:2007:linmag,
    vgclass = { refpap },
    vgproject = { watermarking },
    title = { Doppel-Herz: Parallelprogrammierung in C++ mit der OMPTL },
    author = { Tim Sch{\"u}rmann },
    journal = { Linux Magazin },
    note = { About the OMPTL (http://sip.unige.ch/omptl) by F.P.Beekhof },
    year = { 2008 },
    month = { January }
}
Close
O. Koval, S. Voloshynovskiy, and T. Pun, "Privacy-Preserving Biometric Person Identification," in Proc. Proceedings of the 16th European Signal Processing Conference, Lausanne, Switzerland, 2008. [pdf|bib]
@inproceedings { Koval:2008:EUSIPCO,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Privacy-Preserving Biometric Person Identification },
    booktitle = { Proceedings of the 16th European Signal Processing Conference },
    month = { August 25--29 },
    year = { 2008 },
    address = { Lausanne, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
O. Koval, S. Voloshynovskiy, F. Beekhof, and T. Pun, "Security Analysis of Robust Perceptual Hashing," in Proc. Steganography, and Watermarking of Multimedia Contents X, (SPIE, Bellingham, WA 2008) 681906, 2008. [ps| link|bib]
@inproceedings { Koval:2008:RPH-Security,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Fokko Beekhof and Thierry Pun },
    title = { Security Analysis of Robust Perceptual Hashing },
    booktitle = { Steganography, and Watermarking of Multimedia Contents X },
    series = { Proceedings of SPIE },
    editor = { Edward J. Delp III and Ping Wah Wong and Jana Dittmann, Nasir D. Memon },
    volume = { 6819 },
    year = { 2008 },
    address = { (SPIE, Bellingham, WA 2008) 681906 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, F. Beekhof, and T. Pun, "Unclonable identification and authentication based on reference list decoding," in Proc. Proceedings of the conference on Secure Component and System Identification, Berlin, Germany, 2008. [pdf|bib]
@inproceedings { Voloshynovskiy:2008:SECSI,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fokko Beekhof and Thierry Pun },
    title = { Unclonable identification and authentication based on reference list decoding },
    booktitle = { Proceedings of the conference on Secure Component and System Identification },
    address = { Berlin, Germany },
    month = { March 17--18 },
    year = { 2008 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
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F. Beekhof, O. Koval, R. Villán, S. Voloshynovskiy, and E. Topak, "Document Forensics based on Steganographic Anti-Counterfeiting Markings and Mobile Architectures," in Proc. Proceedings of eForensics, 2008. [pdf|bib]
@inproceedings { Beekhof:2008:eForensics,
    author = { Fokko Beekhof and Oleksiy Koval and Renato Vill\'{a}n and Sviatoslav Voloshynovskiy and Emre Topak },
    title = { Document Forensics based on Steganographic Anti-Counterfeiting Markings and Mobile Architectures },
    booktitle = { Proceedings of eForensics },
    year = { 2008 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
I. Sarikaya, Les codes √ barres multi-niveaux √ deux dimensions, 2007. [bib]
@misc { VG:Sarikaya07,
    vgclass = { diploma },
    vgproject = { unspecified },
    author = { Ilhami Sarikaya },
    title = { Les codes √ barres multi-niveaux √ deux dimensions },
    howpublished = { ma√Ætrises thesis, University of Geneva },
    month = { octobre },
    year = { 2007 }
}
Close
T. Schneider, Syst√®me de protection des marques bas√© sur l'identification d'un signal audio, 2007. [bib]
@misc { VG:Schneider07,
    vgclass = { diploma },
    vgproject = { unspecified },
    author = { Thibault Schneider },
    title = { Syst√®me de protection des marques bas√© sur l'identification d'un signal audio },
    howpublished = { ma√Ætrises thesis, University of Geneva },
    month = { f√©vrier },
    year = { 2007 }
}
Close
O. Koval, S. Voloshynovskiy, and T. Pun, "Error exponent analysis of person identification based on fusion of dependent/independent modalities," in Proc. Proceedings of {SPIE-IS&T} Electronic Imaging 2007, Security, Steganography, and Watermarking of Multimedia Contents IX, San Jose, USA, 2007. [pdf|bib]
@inproceedings { Koval:SPIE2007:EEA,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Error exponent analysis of person identification based on fusion of dependent/independent modalities },
    booktitle = { Proceedings of {SPIE-IS{\&}T} Electronic Imaging 2007, Security, Steganography, and Watermarking of Multimedia Contents IX },
    year = { 2007 },
    volume = { 6505 },
    editor = { Edward J. Delp III and Ping Wah Wong },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { 28 Jan. -- 1 Feb. },
    abstract = { Abstract--Performance limits of multimodal detection systems are analyzed in this paper. Two main setups are analyzed, i.e., based on fusion of dependent and independent modalities, respectively. The analysis is performed in terms of attainable probability of detection errors characterized by the corresponding error exponents. It is demonstrated that an expected performance gain from fusion of dependent modalities is superior than in the case when one fuses independent signals. In order to quantify the efficiency of dependent modality fusion versus the independent case, the problem analysis is performed in the Gaussian formulation. }
}
Close
S. Voloshynovskiy, O. Koval, F. Deguillaume, and T. Pun, "Quality Enhancement of printed-and-scanned Images using distributed coding," Signal Processing, vol. 87, iss. 6, pp. 1301-1313, 2007. [pdf|bib]
@article { Voloshynovskiy:2007:SP,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fr{\'e}d{\'e}ric Deguillaume and Thierry Pun },
    title = { Quality Enhancement of printed-and-scanned Images using distributed coding },
    journal = { Signal Processing },
    volume = { 87 },
    number = { 6 },
    pages = { 1301--1313 },
    year = { 2007 },
    month = { June },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
J. -M. Pignat, O. Koval, S. Voloshynovskiy, and T. Pun, "From non-stationary Gaussian modelling to independent component analysis: an fMRI study," in Proc. Lemanic-Neuroscience Annual Meeting, Les Diablerets, Switzerland, 2007. [bib]
@inproceedings { Pignat:2007:fMRI,
    author = { J.-M. Pignat and Oleksiy Koval and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { From non-stationary Gaussian modelling to independent component analysis: an fMRI study },
    booktitle = { Lemanic-Neuroscience Annual Meeting },
    year = { 2007 },
    vgclass = { fullconf },
    vgproject = { watermarking },
    address = { Les Diablerets, Switzerland },
    month = { September 14--15 },
    owner = { beekhof },
    timestamp = { 2007.08.29 }
}
Close
J. Kronegg, G. Chanel, S. Voloshynovskiy, and T. Pun, "EEG-based synchronized brain-computer interfaces: a model for optimizing the number of mental tasks," IEEE transactions on neural systems and rehabilitation engineering, vol. 15, iss. 1, 2007. [bib]
@article { Kronegg:NSRE:EEG-BCI,
    author = { Julien Kronegg and Guillaume Chanel and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { EEG-based synchronized brain-computer interfaces: a model for optimizing the number of mental tasks },
    journal = { IEEE transactions on neural systems and rehabilitation engineering },
    year = { 2007 },
    volume = { 15 },
    vgclass = { refpap },
    vgproject = { bmi },
    number = { 1 },
    month = { March }
}
Close
O. Koval, S. Voloshynovskiy, and T. Pun, "Analysis of multimodal binary detection systems based on dependent/independent modalities," in Proc. Proceedings of the IEEE 2007 International Workshop on Multimedia Signal Processing, Chania, Crete, Greece, 2007. [pdf|bib]
@inproceedings { Koval:IWMSP:2007a,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Analysis of multimodal binary detection systems based on dependent/independent modalities },
    booktitle = { Proceedings of the IEEE 2007 International Workshop on Multimedia Signal Processing },
    year = { 2007 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Chania, Crete, Greece },
    month = { October 1--3 }
}
Close
O. Koval, S. Voloshynovskiy, F. Beekhof, and T. Pun, "Decision-theoretic consideration of robust perceptual hashing: link to practical algorithms," in Proc. WaCha2007, /Third WAVILA Challenge/, Saint Malo, France, 2007. [pdf|bib]
@inproceedings { Koval:WaCha:2007,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Fokko Beekhof and Thierry Pun },
    title = { Decision-theoretic consideration of robust perceptual hashing: link to practical algorithms },
    booktitle = { WaCha2007, /Third WAVILA Challenge/ },
    year = { 2007 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Saint Malo, France },
    month = { June 15th }
}
Close
S. Voloshynovskiy, O. Koval, F. Beekhof, and T. Pun, "Robust perceptual hashing as classification problem: decision-theoretic and practical considerations," in Proc. Proceedings of the IEEE 2007 International Workshop on Multimedia Signal Processing, Chania, Crete, Greece, 2007. [pdf|bib]
@inproceedings { Koval:IWMSP:2007b,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fokko Beekhof and Thierry Pun },
    title = { Robust perceptual hashing as classification problem: decision-theoretic and practical considerations },
    booktitle = { Proceedings of the IEEE 2007 International Workshop on Multimedia Signal Processing },
    year = { 2007 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Chania, Crete, Greece },
    month = { October 1--3 }
}
Close
R. Villán, S. Voloshynovskiy, O. Koval, F. Deguillaume, and T. Pun, "Tamper-proofing of Electronic and Printed Text Documents via Robust Hashing and Data-Hiding," in Proc. Proceedings of {SPIE-IS&T} Electronic Imaging 2007, Security, Steganography, and Watermarking of Multimedia Contents IX, San Jose, USA, 2007. [pdf| ps.gz| pdf|bib]
@inproceedings { Villan:SPIE2007:RH,
    author = { Renato Vill{\'a}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Fr\'{e}d\'{e}ric Deguillaume and Thierry Pun },
    title = { Tamper-proofing of Electronic and Printed Text Documents via Robust Hashing and Data-Hiding },
    booktitle = { Proceedings of {SPIE-IS{\&}T} Electronic Imaging 2007, Security, Steganography, and Watermarking of Multimedia Contents IX },
    year = { 2007 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { 28 Jan. -- 1 Feb. },
    abstract = { In this paper, we deal with the problem of authentication and tamper-proofing of text documents that can be distributed in electronic or printed forms. We advocate the combination of robust text hashing and text data-hiding technologies as an efficient solution to this problem. First, we consider the problem of text data-hiding in the scope of the Gel'fand-Pinsker data-hiding framework. For illustration, two modern text data-hiding methods, namely color index modulation (CIM) and location index modulation (LIM), are explained. Second, we study two approaches to robust text hashing that are well suited for the considered problem. In particular, both approaches are compatible with CIM and LIM. The first approach makes use of optical character recognition (OCR) and a classical cryptographic message authentication code (MAC). The second approach is new and can be used in some scenarios where OCR does not produce consistent results. The experimental work compares both approaches and shows their robustness against typical intentional/unintentional document distortions including electronic format conversion, printing, scanning, photocopying, and faxing. }
}
Close
E. Topak, "Information-theoretic performance and security analysis of geometrically structured data-hiding codes," PhD Thesis , 2007. [bib]
@phdthesis { Topak:PhD,
    author = { Emre Topak },
    title = { Information-theoretic performance and security analysis of geometrically structured data-hiding codes },
    school = { University of Geneva },
    year = { 2007 },
    vgclass = { thesis },
    vgproject = { watermarking }
}
Close
J. Vila Forcen, "Digital data-hiding based identification systems," PhD Thesis , 2006. [bib]
@phdthesis { Vila:PhD,
    author = { Jos√© {Vila Forcen} },
    title = { Digital data-hiding based identification systems },
    school = { University of Geneva },
    year = { 2006 },
    vgclass = { thesis },
    vgproject = { watermarking }
}
Close
J. E. Vila-Forcén, O. Koval, S. Voloshynovskiy, and T. Pun, "Asymmetric side information and non-noticable Costa data-hiding," in Proc. Proceedings of SPIE Photonics West, Security and watermarking of multimedia contents, San Jose, CA, USA, 2006. [bib]
@inproceedings { Vila:2006:SPIE,
    author = { Jos{\'e} Emilio Vila-Forc{\'e}n and Oleksiy Koval and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Asymmetric side information and non-noticable Costa data-hiding },
    booktitle = { Proceedings of SPIE Photonics West, Security and watermarking of multimedia contents },
    year = { 2006 },
    address = { San Jose, CA, USA },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
T. I. Alecu, S. Voloshynovskiy, and T. Pun, "The Gaussian Transform of distributions: definition, computation and application," IEEE Transactions on Signal Processing, vol. 54, pp. 2976-2985, 2006. [pdf|bib]
@article { Alecu:SP2005:GTD,
    author = { Teodor Iulian Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { The Gaussian Transform of distributions: definition, computation and application },
    journal = { IEEE Transactions on Signal Processing },
    year = { 2006 },
    volume = { 54 },
    pages = { 2976--2985 },
    vgclass = { refpap },
    vgproject = { bmi },
    month = { August },
    note = { (accepted October 2005) }
}
Close
S. Voloshynovskiy, O. Koval, R. Villán, E. Topak, J. E. Vila-Forcén, F. Deguillaume, Y. Rytsar, and T. Pun, "Information-Theoretic Analysis of Electronic and Printed Document Authentication," in Proc. Proceedings of {SPIE-IS&T} Electronic Imaging 2006, Security, Steganography, and Watermarking of Multimedia Contents VIII, San Jose, USA, 2006. [pdf| pdf|bib]
@inproceedings { Svolos:SPIE2006:DA,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and R. Vill{\'a}n and Emre Topak and Jose Emilio Vila-Forc{\'e}n and Fr\'{e}d\'{e}ric Deguillaume and Yuriy Rytsar and Thierry Pun },
    title = { Information-Theoretic Analysis of Electronic and Printed Document Authentication },
    booktitle = { Proceedings of {SPIE-IS{\&}T} Electronic Imaging 2006, Security, Steganography, and Watermarking of Multimedia Contents VIII },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 15--19 },
    abstract = { In this paper we consider the problem of document authentication in electronic and printed forms. We formulate this problem from the information-theoretic perspectives and present the joint source-channel coding theorems showing the performance limits in such protocols. We analyze the security of document authentication methods and present the optimal attacking strategies with corresponding complexity estimates that, contrarily to the existing studies, crucially rely on the information leaked by the authentication protocol. Finally, we present the results of experimental validation of the developed concept that justifies the practical efficiency of the elaborated framework. }
}
Close
S. Voloshynovskiy, O. Koval, E. Topak, V. J. E. Forcen, and T. Pun, "On reversibility of random binning based data-hiding techniques: security perspectives," in Proc. ACM Multimedia and Security Workshop 2006, Geneva, Switzerland, 2006. [ps|bib]
@inproceedings { Voloshynovskiy:ACM2006,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Emre Topak and J.E. Vila Forcen and Thierry Pun },
    title = { On reversibility of random binning based data-hiding techniques: security perspectives },
    booktitle = { ACM Multimedia and Security Workshop 2006 },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Geneva, Switzerland },
    month = { September 26-27 }
}
Close
T. Pun, T. I. Alecu, G. Chanel, and S. Voloshynovskiy, "Brain-computer interaction research at the Computer Vision and Multimedia Laboratory, University of Geneva," IEEE transactions on neural systems and rehabilitation engineering, Special Issue on Brain-Computer Interaction, vol. 14, iss. 2, 2006. [bib]
@article { Pun:NSRE:BCI-CVML,
    author = { Thierry Pun and Teodor Iulian Alecu and Guillaume Chanel and Sviatoslav Voloshynovskiy },
    title = { Brain-computer interaction research at the Computer Vision and Multimedia Laboratory, University of Geneva },
    journal = { IEEE transactions on neural systems and rehabilitation engineering, Special Issue on Brain-Computer Interaction },
    year = { 2006 },
    volume = { 14 },
    vgclass = { refpap },
    vgproject = { bmi },
    number = { 2 },
    month = { June }
}
Close
J. Kronegg, G. Chanel, S. Voloshynovskiy, and T. Pun, Information-transfer rate based performance optimization for brain-computer interfacesHeraklion, Greece: , 2006. [bib]
@misc { Kronegg:SIMILAR:ITRBPO,
    vgclass = { fullconf },
    vgproject = { bmi },
    author = { Julien Kronegg and Guillaume Chanel and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Information-transfer rate based performance optimization for brain-computer interfaces },
    howpublished = { Similar NOE Workshop },
    month = { June 8--9 },
    year = { 2006 },
    note = { Heraklion, Greece },
    address = { Heraklion, Greece }
}
Close
O. Koval, S. Voloshynovskiy, J. E. Vila-Forcén, F. Pérez-González, F. Deguillaume, and T. Pun, "Robustness Improvement of Known-Host-State Watermarking Using Host Statistics," Elsevier Science, Signal Processing, vol. 86, iss. 5, pp. 1076-1088, 2006. [pdf|bib]
@article { Koval:SP2005:RIKHSW,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and J.E. Vila-Forc{\'e}n and F. P{\'e}rez-Gonz{\'a}lez and Fr\'{e}d\'{e}ric Deguillaume and Thierry Pun },
    title = { Robustness Improvement of Known-Host-State Watermarking Using Host Statistics },
    journal = { Elsevier Science, Signal Processing },
    year = { 2006 },
    volume = { 86 },
    pages = { 1076--1088 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 5 },
    month = { May }
}
Close
O. Koval, S. Voloshinovskiy, and T. Pun, "Analysis of modality dependence/independence impact on the performance of multimodal fusion systems: Summary of main results," Computer Vision and Multimedia Laboratory, Computing Centre, University of Geneva, Rue Général Dufour, 24, CH-1211, Geneva, Switzerland, 06.12, 2006. [pdf|bib]
@techreport { Koval:TR2006,
    author = { Oleksiy Koval and Sviatoslav Voloshinovskiy and Thierry Pun },
    title = { Analysis of modality dependence/independence impact on the performance of multimodal fusion systems: Summary of main results },
    institution = { Computer Vision and Multimedia Laboratory, Computing Centre, University of Geneva },
    year = { 2006 },
    vgclass = { report },
    vgproject = { watermarking },
    number = { 06.12 },
    address = { Rue G\'en\'eral Dufour, 24, CH-1211, Geneva, Switzerland }
}
Close
O. Koval, S. Voloshynovskiy, T. Holotyak, and T. Pun, "Information-theoretic analysis of steganalysis in real images," in Proc. ACM Multimedia and Security Workshop 2006, Geneva, Switzerland, 2006. [ps|bib]
@inproceedings { Koval:ACM2006,
    author = { Oleksiy Koval and S. Voloshynovskiy and Taras Holotyak and Thierry Pun },
    title = { Information-theoretic analysis of steganalysis in real images },
    booktitle = { ACM Multimedia and Security Workshop 2006 },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Geneva, Switzerland },
    month = { September 26-27 }
}
Close
O. Koval, S. Voloshynovskiy, and T. Pun, "Laplacian channel state estimation for state dependent channels," in Proc. Proceedings of 27-th Symposium on information theory in the Benelux, Noordwijk, The Netherlands, 2006. [pdf|bib]
@inproceedings { Koval:WIC2006:Koval_wic2006,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Laplacian channel state estimation for state dependent channels },
    booktitle = { Proceedings of 27-th Symposium on information theory in the Benelux },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Noordwijk, The Netherlands },
    month = { June 8-9, 2006, }
}
Close
L. Pérez-Freire, F. Pérez-González, and S. Voloshynovskiy, "An Accurate Analysis of Scalar Quantization-Based Data Hiding," IEEE Transactions on Information Forensics and Security, vol. 1, iss. 1, pp. 80-86, 2006. [pdf|bib]
@article { PerezFreire:AA:IFS2006,
    author = { Luis P{\'e}rez-Freire and Fernando P{\'e}rez-Gonz{\'a}lez and Sviatoslav Voloshynovskiy },
    title = { An Accurate Analysis of Scalar Quantization-Based Data Hiding },
    journal = { IEEE Transactions on Information Forensics and Security },
    year = { 2006 },
    volume = { 1 },
    pages = { 80--86 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 1 },
    month = { March },
    booktitle = { IEEE Transactions on Information Forensics and Security }
}
Close
Y. Rytsar, S. Voloshynovskiy, O. Koval, F. Deguillaume, E. Topak, S. Startchik, and T. Pun, "Tangible interactive system for document browsing and visualisation of multimedia data," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging 2006, Multimedia Content Analysis, Management, and Retrieval 2006 (EI122), San Jose, USA, 2006. [bib]
@inproceedings { Rytsar:SPIE2006,
    author = { Yuriy Rytsar and Sviatoslav Voloshynovskiy and Oleksiy Koval and Fr\'{e}d\'{e}ric Deguillaume and Emre Topak and Sergei Startchik and Thierry Pun },
    title = { Tangible interactive system for document browsing and visualisation of multimedia data },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging 2006, Multimedia Content Analysis, Management, and Retrieval 2006 (EI122) },
    year = { 2006 },
    volume = { 6073 },
    editor = { Edward Y. Chang, Alan Hanjalic, Nicu Sebe },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 15-19 }
}
Close
R. Villán, S. Voloshynovskiy, O. Koval, J. E. Vila-Forcén, E. Topak, F. Deguillaume, Y. Rytsar, and T. Pun, "Text Data-Hiding for Digital and Printed Documents: Theoretical and Practical Considerations," in Proc. Proceedings of {SPIE-IS&T} Electronic Imaging 2006, Security, Steganography, and Watermarking of Multimedia Contents VIII, San Jose, USA, 2006. [pdf| ps.gz| pdf|bib]
@inproceedings { Villan:SPIE2006:TE,
    author = { R. Vill{\'a}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and J.E. Vila-Forc{\'e}n and Emre Topak and Fr\'{e}d\'{e}ric Deguillaume and Y. Rytsar and Thierry Pun },
    title = { Text Data-Hiding for Digital and Printed Documents: Theoretical and Practical Considerations },
    booktitle = { Proceedings of {SPIE-IS{\&}T} Electronic Imaging 2006, Security, Steganography, and Watermarking of Multimedia Contents VIII },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 15--19 },
    abstract = { In this paper, we propose a new theoretical framework for the data-hiding problem of digital and printed text documents. We explain how this problem can be seen as an instance of the well-known Gel'fand-Pinsker problem. The main idea for this interpretation is to consider a text character as a data structure consisting of multiple quantifiable features such as shape, position, orientation, size, color, etc. We also introduce color quantization, a new semi-fragile text data-hiding method that is fully automatable, has high information embedding rate, and can be applied to both digital and printed text documents. The main idea of this method is to quantize the color or luminance intensity of each character in such a manner that the human visual system is not able to distinguish between the original and quantized characters, but it can be easily performed by a specialized reader machine. We also describe halftone quantization, a related method that applies mainly to printed text documents. Since these methods may not be completely robust to printing and scanning, an outer coding layer is proposed to solve this issue. Finally, we describe a practical implementation of the color quantization method and present experimental results for comparison with other existing methods. }
}
Close
S. Voloshynovskiy, O. Koval, and T. Pun, BRANDS PROTECTION AND PRODUCT AUTHENTICATION USING PORTABLE DEVICES, 2006. [bib]
@misc { Voloshynovskiy:2006:CVG,
    vgclass = { patent },
    vgproject = { watermarking },
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { BRANDS PROTECTION AND PRODUCT AUTHENTICATION USING PORTABLE DEVICES },
    howpublished = { US Patent Application },
    year = { 2006 },
    note = { (pending) }
}
Close
S. Voloshynovskiy, O. Koval, K. M. Mihcak, and T. Pun, "The Edge Process Model and Its Application to Information Hiding Capacity Analysis," IEEE Trans. on Signal Processing, vol. 54, iss. 5, pp. 1813-1825, 2006. [pdf|bib]
@article { Volosynovskiy:2005:EPC,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and M. Kivanc Mihcak and Thierry Pun },
    title = { The Edge Process Model and Its Application to Information Hiding Capacity Analysis },
    journal = { IEEE Trans. on Signal Processing },
    year = { 2006 },
    volume = { 54 },
    pages = { 1813--1825 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 5 },
    month = { May }
}
Close
R. Villán, S. Voloshynovskiy, O. Koval, and T. Pun, "Multilevel 2D Bar Codes: Towards High Capacity Storage Modules for Multimedia Security and Management," IEEE Transactions on Information Forensics and Security, vol. 1, iss. 4, pp. 405-420, 2006. [pdf| ps.gz|bib]
@article { Villan:TIFS2006,
    author = { Renato Vill{\'a}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Multilevel 2D Bar Codes: Towards High Capacity Storage Modules for Multimedia Security and Management },
    journal = { IEEE Transactions on Information Forensics and Security },
    year = { 2006 },
    volume = { 1 },
    pages = { 405--420 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 4 },
    month = { December },
    abstract = { In this paper, we deal with the design of high-rate multilevel two-dimensional (2D) bar codes for the print-and-scan channel. Firstly, we introduce a framework for evaluating the performance limits of these codes by studying an inter-symbol interference (ISI) free, synchronous, and noiseless print-and-scan channel, where the input and output alphabets are finite and the printer device uses halftoning to simulate multiple gray levels. Secondly, we present a new model for the print-and-scan channel specifically adapted to the problem of communications via multilevel 2D bar codes. This model, inspired by our experimental work, assumes no ISI and perfect synchronization, but independence between the channel input and the noise is not supposed. We adapt the theory of multilevel coding with multistage decoding (MLC/MSD) to the print-and-scan channel. Finally, we present experimental results confirming the utility of our channel model, and showing that multilevel 2D bar codes using MLC/MSD can reliably achieve the high capacity storage requirements of many multimedia security and management applications. }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, E. Topak, and T. Pun, "Asymmetrically informed data-hiding optimization of achievable rate for Laplacian host," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging 2006, Security,Steganography, and Watermarking of Multimedia Contents VIII (EI121), San Jose, USA, 2006. [pdf|bib]
@inproceedings { Vila:SPIE2006:ADH,
    author = { J. E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Emre Topak and Thierry Pun },
    title = { Asymmetrically informed data-hiding optimization of achievable rate for Laplacian host },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging 2006, Security,Steganography, and Watermarking of Multimedia Contents VIII (EI121) },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 15-19 }
}
Close
E. Topak, S. Voloshynovskiy, O. Koval, M. E. Haroutunian, J. E. Vila-Forcén, and T. Pun, "E-capacity analysis of data-hiding channels with geometrical attacks," in Proc. Proceedings of SPIE Electronic Imaging 2006, Security, Steganography, and Watermarking of Multimedia Contents VIII (EI121), San Jose, USA, 2006. [ps|bib]
@inproceedings { Topak:SPIE2006:GA,
    author = { Emre Topak and Sviatoslav Voloshynovskiy and Oleksiy Koval and M. E. Haroutunian and J.E. Vila-Forc{\'e}n and Thierry Pun },
    title = { E-capacity analysis of data-hiding channels with geometrical attacks },
    booktitle = { Proceedings of SPIE Electronic Imaging 2006, Security, Steganography, and Watermarking of Multimedia Contents VIII (EI121) },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 15-19 }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, and T. Pun, "Facial Image Compression Based on Structured Codebooks in Overcomplete Domain," {EURASIP} Journal on Applied Signal Processing, Frames and overcomplete representations in signal processing, communications, and information theory special issue, vol. 2006, iss. Article {ID} 69042, pp. 1-11, 2006. [pdf|bib]
@article { Vila:2004:EURASIP,
    author = { J.E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Facial Image Compression Based on Structured Codebooks in Overcomplete Domain },
    journal = { {EURASIP} Journal on Applied Signal Processing, Frames and overcomplete representations in signal processing, communications, and information theory special issue },
    year = { 2006 },
    volume = { 2006 },
    pages = { 1--11 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { Article {ID} 69042 }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, and T. Pun, "Costa problem under channel ambiguity," in Proc. Proceedings of 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Toulouse, France, 2006. [pdf|bib]
@inproceedings { Vila:ICASSP2006:CPUCA,
    author = { J. E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Costa problem under channel ambiguity },
    booktitle = { Proceedings of 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Toulouse, France },
    month = { May 14-19 }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, and T. Pun, "Performance analysis of non-uniform quantization-based data-hiding," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging 2006, Security, Steganography, and Watermarking of Multimedia Contents VIII (EI121), San Jose, USA, 2006. [pdf|bib]
@inproceedings { Vila:SPIE2006:UDQ,
    author = { J. E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Performance analysis of non-uniform quantization-based data-hiding },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging 2006, Security, Steganography, and Watermarking of Multimedia Contents VIII (EI121) },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 15-19 }
}
Close
S. Voloshynovskiy, O. Koval, E. Topak, and T. Pun, "Message Communications And Channel State Estimation For State Dependent Channels," in Proc. Proceedings of 27-th Symposium on information theory in the Benelux, Noordwijk, The Netherlands, 2006. [pdf|bib]
@inproceedings { Voloshynovskiy:WIC2006:Voloshynovskiy_wic2006,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Emre Topak and Thierry Pun },
    title = { Message Communications And Channel State Estimation For State Dependent Channels },
    booktitle = { Proceedings of 27-th Symposium on information theory in the Benelux },
    year = { 2006 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Noordwijk, The Netherlands },
    month = { June 8-9, 2006, }
}
Close
S. Voloshynovskiy, O. Koval, and M. and Lozynska, "Novel interactive services for e-tourism and e-commerce," in Proc. Proceedings of International Conference on, Montreux, Switzerland, 2006. [bib]
@inproceedings { Voloshynovskiy:2006:ABAS,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and and M. Lozynska },
    title = { Novel interactive services for e-tourism and e-commerce },
    booktitle = { Proceedings of International Conference on },
    year = { 2006 },
    month = { July },
    address = { Montreux, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
O. Koval, S. Voloshynovskiy, and T. Pun, "Host communications for non-Gaussian state-dependent channels: Laplacian case," in Proc. Proceedings of International Conference on Multimedia and Expo, Toronto, Canada, 2006. [bib]
@inproceedings { Koval:2006:ICME,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Host communications for non-Gaussian state-dependent channels: Laplacian case },
    booktitle = { Proceedings of International Conference on Multimedia and Expo },
    year = { 2006 },
    month = { July },
    address = { Toronto, Canada },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, and T. Pun, "Image denoising based on the edge-process model," Signal Processing, vol. 85, iss. 10, pp. 1950-1969, 2005. [pdf|bib]
@article { Svolos:SP2005:IDEP,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Image denoising based on the edge-process model },
    journal = { Signal Processing },
    year = { 2005 },
    volume = { 85 },
    pages = { 1950--1969 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 10 },
    month = { October }
}
Close
E. Topak, S. Voloshynovskiy, O. Koval, K. M. Mihcak, and T. Pun, "Towards geometrically robust data-hiding with structured codebooks," {ACM} Multimedia Systems Journal, Special Issue on Multimedia and Security, vol. 11, iss. 2, pp. 121-132, 2005. [pdf|bib]
@article { Topak:2005:ACM,
    author = { Emre Topak and Sviatoslav Voloshynovskiy and Oleksiy Koval and M. Kivanc Mihcak and Thierry Pun },
    title = { Towards geometrically robust data-hiding with structured codebooks },
    journal = { {ACM} Multimedia Systems Journal, Special Issue on Multimedia and Security },
    year = { 2005 },
    volume = { 11 },
    pages = { 121--132 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 2 },
    month = { December },
    note = { published online at http://www.springerlink.com/media/b0cyhc8uyk4jph8ugt33/contributions/f/4/3/9/f4392u5p824845t5.pdf }
}
Close
E. Topak, S. Voloshynovskiy, O. Koval, and T. Pun, "Achievable Rate Analysis of Geometrically Robust Data-Hiding Codes In Asymptotic Set-ups," in Proc. {EUSIPCO} 2005, 13th European Signal Processing Conference, Antalya, Turkey, 2005. [pdf|bib]
@inproceedings { ETopak:EUSIPCO2005,
    author = { Emre Topak and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Achievable Rate Analysis of Geometrically Robust Data-Hiding Codes In Asymptotic Set-ups },
    booktitle = { {EUSIPCO} 2005, 13th European Signal Processing Conference },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Antalya, Turkey },
    month = { September 4-8 }
}
Close
E. Topak, S. Voloshynovskiy, O. Koval, M. K. Mihcak, and T. Pun, "Security analysis of robust data hiding with geometrically structured codebooks," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging 2005, Security, Steganography, and Watermarking of Multimedia Contents VII (EI120), San Jose, USA, 2005. [pdf| ps| pdf|bib]
@inproceedings { Topak:SPIE2005,
    author = { Emre Topak and Sviatoslav Voloshynovskiy and Oleksiy Koval and M.K. Mihcak and Thierry Pun },
    title = { Security analysis of robust data hiding with geometrically structured codebooks },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging 2005, Security, Steganography, and Watermarking of Multimedia Contents VII (EI120) },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 16-20 }
}
Close
E. Topak, S. Voloshynovskiy, O. Koval, J. E. Vila-Forcén, and T. Pun, "On Security of Geometrically-Robust Data-Hiding," in Proc. WIAMIS 2005, 6th International Workshop on Image Analysis for Multimedia Interactive Services, Montreux, Switzerland, 2005. [pdf|bib]
@inproceedings { VG:WIAMIS2005,
    author = { Emre Topak and Sviatoslav Voloshynovskiy and Oleksiy Koval and J. E. Vila-Forc{\'e}n and Thierry Pun },
    title = { On Security of Geometrically-Robust Data-Hiding },
    booktitle = { WIAMIS 2005, 6th International Workshop on Image Analysis for Multimedia Interactive Services },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Montreux, Switzerland },
    month = { April 13-15 }
}
Close
Y. Rytsar, F. Deguillaume, S. Voloshynovskiy, E. Rivera, and T. Pun, "Text document data-hiding: security and multimedia perspectives," in Proc. 5th International Conference on Computer Science and Information Technologies {CSIT 2005}, Yerevan, Armenia, 2005. [bib]
@inproceedings { YRytsar:CSIT2005:TDDH-SMP,
    author = { Y. Rytsar and Fr\'{e}d\'{e}ric Deguillaume and Sviatoslav Voloshynovskiy and E. Rivera and Thierry Pun },
    title = { Text document data-hiding: security and multimedia perspectives },
    booktitle = { 5th International Conference on Computer Science and Information Technologies {CSIT 2005} },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Yerevan, Armenia },
    month = { September 19-23 },
    note = { accepted paper }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, and T. Pun, "Asymmetric spread spectrum data-hiding for Laplacian host data," in Proc. {IEEE} International Conference on Image Processing, Genova, Italy, 2005. [pdf|bib]
@inproceedings { Vila:2005:ICIP,
    author = { J.E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Asymmetric spread spectrum data-hiding for Laplacian host data },
    booktitle = { {IEEE} International Conference on Image Processing },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Genova, Italy },
    month = { 11-14 September }
}
Close
S. Voloshynovskiy, O. Koval, F. Pérez-González, K. M. Mihcak, J. E. Vila-Forcén, and T. Pun, "Data-hiding with partially available side information," in Proc. {EUSIPCO} 2005, 13th European Signal Processing Conference, Antalya, 2005. [pdf|bib]
@inproceedings { Svolos:EUSIPCO2005,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and F. P{\'e}rez-Gonz{\'a}lez and M. Kivanc Mihcak and J.E. Vila-Forc{\'e}n and Thierry Pun },
    title = { Data-hiding with partially available side information },
    booktitle = { {EUSIPCO} 2005, 13th European Signal Processing Conference },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Antalya },
    month = { September 4-8 }
}
Close
J. -M. Pignat, S. Voloshynovskiy, O. Koval, V. Ibanez, and T. Pun, "Non-stationary Gaussian spatio-temporal modeling of fMRI data," in Proc. Brain'05 & BrainPET'05, XXIInd International Symposium on Cerebral Blood Flow, Metabolism, and Function and VIIth International Conference on Quantification of Brain Function with PET, June 7-11, 2005, Vrije Universiteit Amsterdam, The Netherlands, 2005. [bib]
@inproceedings { Pignat:Brain2005:NGSPMFD,
    author = { J.-M. Pignat and Sviatoslav Voloshynovskiy and Oleksiy Koval and V. Ibanez and Thierry Pun },
    title = { Non-stationary Gaussian spatio-temporal modeling of fMRI data },
    booktitle = { Brain'05 {\&} BrainPET'05, XXIInd International Symposium on Cerebral Blood Flow, Metabolism, and Function and VIIth International Conference on Quantification of Brain Function with PET, June 7-11, 2005, Vrije Universiteit Amsterdam, The Netherlands },
    year = { 2005 },
    vgclass = { fullconf },
    vgproject = { bmi }
}
Close
T. Pun, T. I. Alecu, G. Chanel, J. Kronegg, and S. Voloshynovskiy, "Brain-computer interaction research at the Computer Vision and Multimedia Laboratory, University of Geneva," Computer Vision and Multimedia Laboratory, Computing Centre, University of Geneva, Rue Général Dufour, 24, CH-1211, Geneva, Switzerland, 05.01, 2005. [bib]
@techreport { BMI:0501,
    author = { Thierry Pun and Teodor Iuilian Alecu and Guillaume Chanel and Jullien Kronegg and Sviatoslav Voloshynovskiy },
    title = { Brain-computer interaction research at the Computer Vision and Multimedia Laboratory, University of Geneva },
    institution = { Computer Vision and Multimedia Laboratory, Computing Centre, University of Geneva },
    year = { 2005 },
    vgclass = { report },
    vgproject = { bmi },
    number = { 05.01 },
    address = { Rue G\'en\'eral Dufour, 24, CH-1211, Geneva, Switzerland }
}
Close
T. Pun, T. I. Alecu, G. Chanel, J. Kronegg, and S. Voloshynovskiy, "Research in Brain-computer interaction, Multimodal Interaction Group, Computer Vision and Multimedia Laboratory, University of Geneva," in Proc. BCI 2005, Brain-Computer Interface Technology: Third International Meeting, Rensselaerville, NY, USA, 2005. [bib]
@inproceedings { Pun:BCI:RBCI-CVML,
    author = { Thierry Pun and Teodor Iulian Alecu and Guillaume Chanel and Julien Kronegg and Sviatoslav Voloshynovskiy },
    title = { Research in Brain-computer interaction, Multimodal Interaction Group, Computer Vision and Multimedia Laboratory, University of Geneva },
    booktitle = { BCI 2005, Brain-Computer Interface Technology: Third International Meeting },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { bmi },
    address = { Rensselaerville, NY, USA },
    month = { June 14--19 }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, F. Pérez-González, and T. Pun, "Worst case additive attack against quantization-based data-hiding methods," in Proc. Proceedings of {SPIE} Photonics West, Electronic Imaging 2005, Security, Steganography, and Watermarking of Multimedia Contents {VII (EI120)}, San Jose, USA, 2005. [pdf| pdf|bib]
@inproceedings { Vila:SPIE2005,
    author = { J.E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and F. P{\'e}rez-Gonz{\'a}lez and Thierry Pun },
    title = { Worst case additive attack against quantization-based data-hiding methods },
    booktitle = { Proceedings of {SPIE} Photonics West, Electronic Imaging 2005, Security, Steganography, and Watermarking of Multimedia Contents {VII (EI120)} },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 16-20 }
}
Close
S. Voloshynovskiy, O. Koval, E. Topak, J. E. Vila-Forcén, P. Comesana, and T. Pun, "On reversibility of random binning techniques: multimedia perspectives," in Proc. 9th IFIP TC-6 TC-11 Conference on Communications and Multimedia Security (CMS 2005), Salzburg, Austria, 2005. [pdf| ps|bib]
@inproceedings { Voloshynovskiy:2005:RRB,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Emre Topak and J.E. Vila-Forc{\'e}n and P. Comesana and Thierry Pun },
    title = { On reversibility of random binning techniques: multimedia perspectives },
    booktitle = { 9th IFIP TC-6 TC-11 Conference on Communications and Multimedia Security (CMS 2005) },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Salzburg, Austria },
    month = { September }
}
Close
R. Villán, S. Voloshynovskiy, O. Koval, and T. Pun, "Multilevel 2D Bar Codes: Towards High Capacity Storage Modules for Multimedia Security and Management," in Proc. Proceedings of {SPIE-IS&T} Electronic Imaging 2005, Security, Steganography, and Watermarking of Multimedia Contents VII, San Jose, USA, 2005, pp. 453-464. [pdf| ps.gz| pdf|bib]
@inproceedings { Villan:SPIE2005,
    author = { Renato Vill{\'a}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Multilevel 2D Bar Codes: Towards High Capacity Storage Modules for Multimedia Security and Management },
    booktitle = { Proceedings of {SPIE-IS{\&}T} Electronic Imaging 2005, Security, Steganography, and Watermarking of Multimedia Contents VII },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    volume = { 5681 },
    pages = { 453--464 },
    address = { San Jose, USA },
    month = { January 16--20 },
    abstract = { In this paper, we deal with the design of high-rate multilevel two-dimensional (2D) bar codes for the print-and-scan channel. Firstly, we derive an upper bound on the maximum achievable rate of these codes by studying an inter-symbol interference (ISI) free, perfectly synchronized, and noiseless print-and-scan channel, in which the printer device uses halftoning to simulate multiple gray levels. Secondly, we briefly review three state-of-the-art coded modulation techniques for the additive white Gaussian noise channel (AWGN) in the high signal-to-noise (SNR) ratio regime, namely, multilevel coding with multistage decoding (MLC/MSD), multilevel coding with parallel independent decoding (MLC/PID), and bit-interleaved coded modulation (BICM). Thirdly, we present a new model of the print-and-scan channel specifically adapted to the multilevel 2D bar code application. This model, inspired by our experimental work, assumes no ISI and perfect synchronization, but independence between the channel input and the noise is not supposed. We study the problem of finding the information capacity of our channel model and extend the theory of MLC/MSD to this type of channels. Finally, we present experimental results confirming the validity of our channel model, and showing that multilevel 2D bar codes using MLC/MSD can reliably achieve the high-rate storage requirements of many multimedia security and data management applications. }
}
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O. Koval, "Stochastic image modeling in data hiding applications," PhD Thesis , 2005. [bib]
@phdthesis { Koval:PhD,
    author = { Oleksiy Koval },
    title = { Stochastic image modeling in data hiding applications },
    school = { University of Geneva },
    year = { 2005 },
    vgclass = { thesis },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, F. Deguillaume, O. Koval, and T. Pun, "Information-theoretic data-hiding: Recent achievements and open problems," International Journal of Image and Graphics, vol. 5, iss. 1, pp. 1-31, 2005. [pdf|bib]
@article { Svolos:VG:ImageGraphics,
    author = { Sviatoslav Voloshynovskiy and Fr\'{e}d\'{e}ric Deguillaume and Oleksiy Koval and Thierry Pun },
    title = { Information-theoretic data-hiding: Recent achievements and open problems },
    journal = { International Journal of Image and Graphics },
    year = { 2005 },
    volume = { 5 },
    pages = { 1--31 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 1 }
}
Close
S. Voloshynovskiy, O. Koval, F. Deguillaume, and T. Pun, "Multimedia Security: open problems and solutions," in Proc. In Proceedings of NATO - Advanced Study Institute: Securitty Through Science Program, Nork, Yerevan, Armenia, 1-12 October, 2005, Yerevan, Armenia, 2005. [pdf|bib]
@inproceedings { Voloshynovskiy:NATO2005,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fr\'{e}d\'{e}ric Deguillaume and Thierry Pun },
    title = { Multimedia Security: open problems and solutions },
    booktitle = { In Proceedings of NATO - Advanced Study Institute: Securitty Through Science Program, Nork, Yerevan, Armenia, 1-12 October, 2005 },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Yerevan, Armenia },
    month = { October 1-12 }
}
Close
S. Voloshynovskiy, Y. Rytsar, O. Koval, and T. Pun, "Document interactive navigation in multimodal databases," in Proc. SIMILAR NOE Workshop, Paris, France, 2005. [bib]
@inproceedings { Voloshynovskiy:2005:SIMILAR_NOE,
    author = { Sviatoslav Voloshynovskiy and Yuriy Rytsar and Oleksiy Koval and Thierry Pun },
    title = { Document interactive navigation in multimodal databases },
    booktitle = { SIMILAR NOE Workshop },
    year = { 2005 },
    month = { November },
    address = { Paris, France },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
R. Villán, S. Voloshynovskiy, F. Deguillaume, Y. Rytsar, O. Koval, E. Topak, E. Rivera, and T. Pun, "A Theoretical Framework for Data-Hiding in Digital and Printed Text Documents," in Proc. Proceedings of 9th IFIP TC-6 TC-11 International Conference on Communications and Multimedia Security, Salzburg, Austria, 2005, pp. 280-281. [pdf| ps.gz| pdf|bib]
@inproceedings { Villan:IFIP2005,
    author = { R. Vill{\'a}n and Sviatoslav Voloshynovskiy and Fr\'{e}d\'{e}ric Deguillaume and Y. Rytsar and Oleksiy Koval and Emre Topak and E. Rivera and Thierry Pun },
    title = { A Theoretical Framework for Data-Hiding in Digital and Printed Text Documents },
    booktitle = { Proceedings of 9th IFIP TC-6 TC-11 International Conference on Communications and Multimedia Security },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    volume = { LNCS 3677 },
    pages = { 280--281 },
    address = { Salzburg, Austria },
    month = { September 19--21 }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, F. Pérez-Gonález, and T. Pun, "Practical Data-Hiding: Additive Attacks Performance Analysis," in Proc. International Workshop on Digital Watermarking, Siena, Italy, 2005, pp. 244-259. [pdf|bib]
@inproceedings { Vila:2005:IWDW,
    author = { J.E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and F. P{\'e}rez-Gon{\'a}lez and Thierry Pun },
    title = { Practical Data-Hiding: Additive Attacks Performance Analysis },
    booktitle = { International Workshop on Digital Watermarking },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    volume = { LNCS 3710 },
    series = { Lecture Notes in Computer Science },
    pages = { 244--259 },
    address = { Siena, Italy },
    month = { September 15-17 },
    publisher = { Springer Verlag },
    note = { Invited tutorial }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, F. Pérez-Gonález, O. Koval, and T. Pun, "Quantization-Based Methods: Additive Attacks Performance Analysis," IEEE Transactions on Signal Processing, 2005. [bib]
@article { Vila:SP2005,
    author = { J.E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and F. P{\'e}rez-Gon{\'a}lez and Oleksiy Koval and Thierry Pun },
    title = { Quantization-Based Methods: Additive Attacks Performance Analysis },
    journal = { IEEE Transactions on Signal Processing },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    note = { (submitted) }
}
Close
S. Voloshynovskiy, O. Koval, F. Perez-Gonzales, M. K. Michak, J. E. Vila-Forcén, and T. Pun, "Data-hiding with asymmetrically available side information at encoder and decoder," in Proc. Proceedings of European Signal Processing Conference, Antalya, Turkey, 2005. [bib]
@inproceedings { Voloshynovskiy:2005:EUSIPCO,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fernando Perez-Gonzales and Mehmet Kinvanc Michak and Jos{\'e} Emilio Vila-Forc{\'e}n and Thierry Pun },
    title = { Data-hiding with asymmetrically available side information at encoder and decoder },
    booktitle = { Proceedings of European Signal Processing Conference },
    year = { 2005 },
    month = { September },
    address = { Antalya, Turkey },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, E. Topak, J. E. Vila-Forcén, P. Comesaña, and T. Pun, "On reversibility of random binning techniques," in Proc. Proceedings of 9th IFIP TC-6 TC-11 Conference on Communications and Multimedia Security, Salzburg, Austria, 2005, pp. 108-118. [bib]
@inproceedings { Voloshynovskiy:2005:IFIP,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Emre Topak and Jos{\'e} Emilio Vila-Forc{\'e}n and P. Comesa{\~n}a and Thierry Pun },
    title = { On reversibility of random binning techniques },
    booktitle = { Proceedings of 9th IFIP TC-6 TC-11 Conference on Communications and Multimedia Security },
    pages = { 108--118 },
    year = { 2005 },
    month = { September },
    address = { Salzburg, Austria },
    publisher = { Lecture notes in computer science },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
E. Topak, S. Voloshynovskiy, O. Koval, and T. Pun, "Joint Achievable Rate-Complexity Analysis of Geometrically Robust Data-hiding Codes in Asymptotic Set-ups," in Proc. Proceedings of European Signal Processing Conference, Antalya, Turkey, 2005. [bib]
@inproceedings { Topak:2005:EUSIPCO,
    author = { Emre Topak and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Joint Achievable Rate-Complexity Analysis of Geometrically Robust Data-hiding Codes in Asymptotic Set-ups },
    booktitle = { Proceedings of European Signal Processing Conference },
    year = { 2005 },
    month = { September },
    address = { Antalya, Turkey },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
T. Pun, T. I. Alecu, G. Chanel, J. Kronegg, and S. Voloshynovskiy, "Research in Brain-computer interaction, Multimodal Interaction Group, Computer Vision and Multimedia Laboratory, University of Geneva," Technical report TR0501, Computer Science Department, University of Geneva, 05.01, 2005. [bib]
@techreport { Pun:TechRep:RBCI-CVML,
    author = { Thierry Pun and Teodor Iulian Alecu and Guillaume Chanel and Julien Kronegg and Sviatoslav Voloshynovskiy },
    title = { Research in Brain-computer interaction, Multimodal Interaction Group, Computer Vision and Multimedia Laboratory, University of Geneva },
    institution = { Technical report TR0501, Computer Science Department, University of Geneva },
    year = { 2005 },
    vgclass = { report },
    vgproject = { bmi },
    number = { 05.01 },
    month = { June }
}
Close
T. Holotyak, J. Fridrich, and S. Voloshynovskiy, "Blind Statistical Steganalysis of Additive Steganography Using Wavelet Higher Order Statistics," in Proc. 9th IFIP TC-6 TC-11 Conference on Communications and Multimedia Security (CMS 2005), Salzburg, Austria, 2005. [bib]
@inproceedings { Holotyak:CMS2005:BSS,
    author = { Taras Holotyak and Jessica Fridrich and Sviatoslav Voloshynovskiy },
    title = { Blind Statistical Steganalysis of Additive Steganography Using Wavelet Higher Order Statistics },
    booktitle = { 9th IFIP TC-6 TC-11 Conference on Communications and Multimedia Security (CMS 2005) },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Salzburg, Austria },
    month = { September 19-21 }
}
Close
J. Kronegg, T. Alecu, G. Chanel, S. Voloshynovskiy, and T. Pun, "Analyse des mesures de débit pour interfaces cerveau-ordinateur," in Proc. TAIMA'2005, Traitement et Analyse de l'Information : Méthodes et Applications, Hammamet, Tunisia, 2005. [bib]
@inproceedings { Kronegg:TAIMA:AMDICO,
    author = { Julien Kronegg and Teodor Alecu and Guillaume Chanel and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Analyse des mesures de d{\'e}bit pour interfaces cerveau-ordinateur },
    booktitle = { TAIMA'2005, Traitement et Analyse de l'Information : M{\'e}thodes et Applications },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { bmi },
    address = { Hammamet, Tunisia },
    month = { 26 Sep -- 1Oct }
}
Close
T. Alecu, S. Voloshynovskiy, and T. Pun, "Denoising with infinite mixture of Gaussians," in Proc. Eusipco 2005, 13th. European Signal Processing Conference, Sept. 4-8, Antalya, Turkey, 2005. [bib]
@inproceedings { Alecu:EUSIPCO2005:DIMOG,
    author = { Teodor Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Denoising with infinite mixture of Gaussians },
    booktitle = { Eusipco 2005, 13th. European Signal Processing Conference, Sept. 4-8, Antalya, Turkey },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { bmi }
}
Close
O. Koval, S. Voloshynovskiy, F. Deguillaume, F. Perez-Gonzalez, and T. Pun, "Robustness improvement of known-host-state watermarking using host statistics," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging 2005, Security, Steganography, and Watermarking of Multimedia Contents VII (EI120), San Jose, USA, 2005. [pdf|bib]
@inproceedings { Koval:SPIE2005,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Fr\'{e}d\'{e}ric Deguillaume and F. Perez-Gonzalez and Thierry Pun },
    title = { Robustness improvement of known-host-state watermarking using host statistics },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging 2005, Security, Steganography, and Watermarking of Multimedia Contents VII (EI120) },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 16-20 }
}
Close
T. Alecu, S. Voloshynovskiy, and T. Pun, "The Gaussian transform," in Proc. 13th. European Signal Processing Conference, Antalya, Turkey, 2005. [bib]
@inproceedings { Alecu:EUSIPCO2005:TGT,
    author = { Teodor Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { The Gaussian transform },
    booktitle = { 13th. European Signal Processing Conference },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { bmi },
    address = { Antalya, Turkey },
    month = { September 4--8 }
}
Close
J. Kronegg, S. Voloshynovskiy, and T. Pun, "Information-transfer rate modeling of EEG-based synchronized brain-computer interfaces," University of Geneva, Computer Vision and Multimedia Laboratory, Computing Centre, Rue Général Dufour, 24, CH-1211, Geneva, Switzerland, 05.03, 2005. [pdf|bib]
@techreport { Kronegg:TR:TR0503,
    author = { Julien Kronegg and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Information-transfer rate modeling of EEG-based synchronized brain-computer interfaces },
    institution = { University of Geneva, Computer Vision and Multimedia Laboratory, Computing Centre },
    year = { 2005 },
    vgclass = { techreport },
    vgproject = { abweb },
    number = { 05.03 },
    address = { Rue G{\'e}n{\'e}ral Dufour, 24, CH-1211, Geneva, Switzerland },
    month = { December 20 },
    abstract = { The information-transfer rate (ITR) is commonly used to assess the performance of brain-computer interfaces (BCI). Various studies have shown that the optimal number of mental tasks to be used is fairly low, around 3 or 4. We propose a formal approach and an experimental validation to demonstrate and confirm that this optimum is user and BCI design dependent. Even if increasing the number of mental tasks to the optimum indeed leads to an increase of the ITR, the gain remains small. This might not justify the added complexity in terms of protocol design. }
}
Close
T. I. Alecu, S. Voloshynovskiy, and T. Pun, "Denoising with infinite mixture of Gaussians," in Proc. {EUSIPCO} 2005, 13th European Signal Processing Conference, Antalya, Turkey, 2005. [pdf|bib]
@inproceedings { Alecu2:EUSIPCO2005,
    author = { Teodor Iulian Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Denoising with infinite mixture of Gaussians },
    booktitle = { {EUSIPCO} 2005, 13th European Signal Processing Conference },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { BMI },
    address = { Antalya, Turkey },
    month = { September 4-8 }
}
Close
J. Kronegg, S. Voloshynovskiy, and T. Pun, "Analysis of bit-rate definitions for Brain-Computer Interfaces," in Proc. Proceedings of the 2005 Int. Conf. on Human-computer Interaction {(HCI'05)}, Las Vegas, Nevada, USA, 2005. [pdf|bib]
@inproceedings { BMI:Kronegg05,
    author = { Julien Kronegg and Svyatoslav Voloshynovskiy and Thierry Pun },
    title = { Analysis of bit-rate definitions for Brain-Computer Interfaces },
    booktitle = { Proceedings of the 2005 Int. Conf. on Human-computer Interaction {(HCI'05)} },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { bmi },
    address = { Las Vegas, Nevada, USA },
    month = { June }
}
Close
F. Deguillaume, Y. Rytsar, S. Voloshynovskiy, and T. Pun, "Data-hiding based text document security and automatic processing," in Proc. IEEE International Conference on Multimedia \& Expo (ICME) 2005, Amsterdam, The Netherlands, 2005. [bib]
@inproceedings { Deguillaume:2005:ICME05,
    author = { Fr\'{e}d\'{e}ric Deguillaume and Y. Rytsar and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Data-hiding based text document security and automatic processing },
    booktitle = { IEEE International Conference on Multimedia \& Expo (ICME) 2005 },
    year = { 2005 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Amsterdam, The Netherlands },
    month = { July 6-8 },
    note = { submitted }
}
Close
S. Voloshynovskiy, O. Koval, F. Deguillaume, and T. Pun, "Visual communications with side information via distributed printing channels: extended multimedia and security perspectives," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging 2004, Multimedia Processing and Applications, San Jose, USA, 2004. [pdf|bib]
@inproceedings { VG:SPIE2004b,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fr\'{e}d\'{e}ric Deguillaume and Thierry Pun },
    title = { Visual communications with side information via distributed printing channels: extended multimedia and security perspectives },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging 2004, Multimedia Processing and Applications },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 18-22 }
}
Close
O. Koval, S. Voloshynovskiy, F. Deguillaume, F. Perez-gonzalez, and T. Pun, "Spread spectrum watermarking for real images: is everything so hopeless?," in Proc. Proceedings of 12th European Signal Processing Conference, EUSIPCO 2004, Vienna, Austria, 2004. [pdf|bib]
@inproceedings { VG:EUSIPCO2004a,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and Fr\'{e}d\'{e}ric Deguillaume and F. Perez-gonzalez and Thierry Pun },
    title = { Spread spectrum watermarking for real images: is everything so hopeless? },
    booktitle = { Proceedings of 12th European Signal Processing Conference, EUSIPCO 2004 },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Vienna, Austria },
    month = { September 6-10 }
}
Close
E. Topak, S. Voloshynovskiy, O. Koval, and T. Pun, "Capacity-security analysis of repetitive watermarking," in Proc. Proceedings of European Signal Processing Conference, Vienna, Austria, 2004. [bib]
@inproceedings { Topak:2004:EUSIPCO,
    author = { Emre Topak and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Capacity-security analysis of repetitive watermarking },
    booktitle = { Proceedings of European Signal Processing Conference },
    year = { 2004 },
    month = { September },
    address = { Vienna, Austria },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
T. Alecu, S. Voloshynovskiy, and T. Pun, "EEG Cortical Imaging: A Vector Field Approach For Laplacian Denoising And Missing Data Estimation," in Proc. IEEE International Symposium on Biomedical Imaging: From Nano to Macro (ISBI'04), Arlington, VA, 2004. [pdf|bib]
@inproceedings { BMI:ISBI04,
    author = { Teodor Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { EEG Cortical Imaging: A Vector Field Approach For Laplacian Denoising And Missing Data Estimation },
    booktitle = { IEEE International Symposium on Biomedical Imaging: From Nano to Macro (ISBI'04) },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { bmi },
    address = { Arlington, VA },
    month = { April, 15-18 }
}
Close
E. Topak, S. Voloshynovskiy, O. Koval, and T. Pun, "Capacity analysis of periodical watermarking," in Proc. EUSIPCO-2004, 12th European Signal Processing Conference, Vienna, Austria, 2004. [pdf|bib]
@inproceedings { VG:EUSIPCO2004,
    author = { Emre Topak and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Capacity analysis of periodical watermarking },
    booktitle = { EUSIPCO-2004, 12th European Signal Processing Conference },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Vienna, Austria },
    month = { September 6-10 }
}
Close
F. Deguillaume, S. Voloshynovskiy, and T. Pun, Character and vector graphics watermark for structured electronic documents security, 2004. [bib]
@misc { Deguillaume:2004:CVG,
    vgclass = { patent },
    vgproject = { watermarking },
    author = { Fr{\'e}d{\'e}ric Deguillaume and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Character and vector graphics watermark for structured electronic documents security },
    howpublished = { US Patent Application 10/949,318 },
    month = { September 27 },
    year = { 2004 },
    note = { (pending) }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, and T. Pun, "Distributed single source coding framework for passport photo images," in Proc. Joint AMI-PASCAL-IM2-M4 Workshop on Multimodal Interaction and Related Machine Learning Algoritms, Martigny, Switzerland, 2004. [bib]
@inproceedings { Vila:2004:AMI,
    author = { Jos{\'e} Emilio Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Distributed single source coding framework for passport photo images },
    booktitle = { Joint AMI-PASCAL-IM2-M4 Workshop on Multimodal Interaction and Related Machine Learning Algoritms },
    year = { 2004 },
    month = { June },
    address = { Martigny, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
J. E. Vila-Forcén, O. Koval, and S. Voloshynovskiy, "Distributed single source coding with side information," in Proc. Proceedings of SPIE Photonics West, Electronic Imaging 2004, Image Processing, San Jose, USA, 2004. [pdf|bib]
@inproceedings { VG:SPIE2004a,
    author = { J.E. Vila-Forc{\'e}n and Oleksiy Koval and Sviatoslav Voloshynovskiy },
    title = { Distributed single source coding with side information },
    booktitle = { Proceedings of SPIE Photonics West, Electronic Imaging 2004, Image Processing },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January 18-22 }
}
Close
T. Alecu, S. Voloshynovskiy, and T. Pun, "Localization properties of an EEG sensor system: lower bounds and optimality," in Proc. EUSIPCO 2004, 12th European Signal Processing Conference, Vienna, Austria, 2004. [pdf|bib]
@inproceedings { BMI:EUSIPCO2004,
    author = { Teodor Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Localization properties of an EEG sensor system: lower bounds and optimality },
    booktitle = { EUSIPCO 2004, 12th European Signal Processing Conference },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { bmi },
    address = { Vienna, Austria },
    month = { September 6-10 }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, F. Perez-gonzalez, and T. Pun, "Worst Case Additive Attack against Quantization-Based Watermarking Techniques," in Proc. IEEE International Workshop on Multimedia Signal Processing (MMSP), Siena, Italy, 2004. [pdf|bib]
@inproceedings { Vila:MMSP2004,
    author = { J.E. Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and F. Perez-gonzalez and Thierry Pun },
    title = { Worst Case Additive Attack against Quantization-Based Watermarking Techniques },
    booktitle = { IEEE International Workshop on Multimedia Signal Processing (MMSP) },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Siena, Italy },
    month = { September 29 - October 1 }
}
Close
L. Perez-Freire, F. Perez-Gonzalez, and S. Voloshynovskiy, "Revealing the true achievable rates of scalar Costa scheme," in Proc. IEEE International Workshop on Multimedia Signal Processing (MMSP), Siena, Italy, 2004. [pdf|bib]
@inproceedings { PerezFreire:MMSP2004,
    author = { L. Perez-Freire and F. Perez-Gonzalez and Sviatoslav Voloshynovskiy },
    title = { Revealing the true achievable rates of scalar Costa scheme },
    booktitle = { IEEE International Workshop on Multimedia Signal Processing (MMSP) },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Siena, Italy },
    month = { September 29 - October 1 }
}
Close
S. Voloshynovskiy, O. Koval, and T. Pun, "Joint compression of independent modalities in smart meeting rooms applications," in Proc. SIMILAR NOE Workshop, Lausanne, Switzerland, 2004. [bib]
@inproceedings { Voloshynovskiy:2004:SIMILAR_NOE,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Joint compression of independent modalities in smart meeting rooms applications },
    booktitle = { SIMILAR NOE Workshop },
    year = { 2004 },
    month = { May },
    address = { Lausanne, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
J. Kronegg, S. Voloshynovskiy, and T. Pun, "Brain-computer interface model: Upper-capacity bound, signal-to-noise ratio estimation, and optimal number of symbols," Computer Vision and Multimedia Laboratory, Computing Centre, University of Geneva, Rue Général Dufour, 24, CH-1211, Geneva, Switzerland, 04.03, 2004. [pdf|bib]
@techreport { BMI:Jun0403,
    author = { Jullien Kronegg and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Brain-computer interface model: Upper-capacity bound, signal-to-noise ratio estimation, and optimal number of symbols },
    institution = { Computer Vision and Multimedia Laboratory, Computing Centre, University of Geneva },
    year = { 2004 },
    vgclass = { report },
    vgproject = { bmi },
    number = { 04.03 },
    address = { Rue G\'en\'eral Dufour, 24, CH-1211, Geneva, Switzerland }
}
Close
J. -M. Pignat, S. Voloshynovskiy, O. Koval, V. Ibanez, and T. Pun, "Non-stationary Gaussian spatio-temporal modeling of fMRI data," in Proc. First Meeting of the Lemanic Neuroscience Programs, UniGe/UNIL Doctoral School in Neuroscience and the EPFL Doctoral Program, Les Diablerets, Switzerland, 2004. [bib]
@inproceedings { Pignat:Diablerets2004:NGSPMFD,
    author = { J.-M. Pignat and Sviatoslav Voloshynovskiy and Oleksiy Koval and V. Ibanez and Thierry Pun },
    title = { Non-stationary Gaussian spatio-temporal modeling of fMRI data },
    booktitle = { First Meeting of the Lemanic Neuroscience Programs, UniGe/UNIL Doctoral School in Neuroscience and the EPFL Doctoral Program },
    year = { 2004 },
    vgclass = { fullconf },
    vgproject = { bmi },
    address = { Les Diablerets, Switzerland },
    month = { 27-28 September }
}
Close
T. Alecu, S. Voloshynovskiy, and T. Pun, "Regularized two-step brain activity reconstruction from spatio-temporal EEG data," in Proc. Image Reconstruction from Incomplete Data III, SPIE International Symposium on Optical Science and Technology, Denver, Colorado, USA, 2004. [pdf|bib]
@inproceedings { BMI:SPIE2004,
    author = { Teodor Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Regularized two-step brain activity reconstruction from spatio-temporal EEG data },
    booktitle = { Image Reconstruction from Incomplete Data III, SPIE International Symposium on Optical Science and Technology },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { bmi },
    address = { Denver, Colorado, USA },
    month = { August 2-6 }
}
Close
S. Voloshynovskiy, O. Koval, F. Pérez-González, K. Mihcak, and T. Pun, "Data-hiding with host state at the encoder and partial side information at the decoder," , 2004. [pdf|bib]
@article { Svolos:2005:PSI,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fernando P{\'e}rez-Gonz{\'a}lez and Kivanc Mihcak and Thierry Pun },
    title = { Data-hiding with host state at the encoder and partial side information at the decoder },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    month = { June },
    note = { (preprint) }
}
Close
Y. Rytsar, S. Voloshynovskiy, F. Ehrler, and T. Pun, "Interactive segmentation with hidden object based annotations: towards smart media," in Proc. Proceedings of SPIE Electronic Imaging, Storage and Retrieval Methods and Applications for Multimedia, San Jose, USA, 2004. [pdf|bib]
@inproceedings { VG:SPIE2004c,
    author = { Y. Rytsar and Sviatoslav Voloshynovskiy and F. Ehrler and Thierry Pun },
    title = { Interactive segmentation with hidden object based annotations: towards smart media },
    booktitle = { Proceedings of SPIE Electronic Imaging, Storage and Retrieval Methods and Applications for Multimedia },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, USA },
    month = { January }
}
Close
O. Koval, S. Voloshynovskiy, F. Perez-Gonzalez, F. Deguillame, and T. Pun, "Quantization-based watermarking performance improvement using host statistics: AWGN attack case," in Proc. ACM Multimedia and Security Workshop 2004, Magdeburg, Germany, 2004. [pdf|bib]
@inproceedings { VG:ACM2004,
    author = { Oleksiy Koval and Sviatoslav Voloshynovskiy and F. Perez-Gonzalez and F. Deguillame and Thierry Pun },
    title = { Quantization-based watermarking performance improvement using host statistics: AWGN attack case },
    booktitle = { ACM Multimedia and Security Workshop 2004 },
    year = { 2004 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Magdeburg, Germany },
    month = { September 20-21 }
}
Close
S. Voloshynovskiy, Y. Rytsar, O. Koval, and T. Pun, "Information-theoretic visual communications in human-computer interfaces: Interactive segmentation," in Proc. IM2 Interactive Information Management Workshop, Martigny Crans-Montana, Switzerland, 2003. [bib]
@inproceedings { Voloshynovskiy:2003:IM2,
    author = { Sviatoslav Voloshynovskiy and Yuriy Rytsar and Oleksiy Koval and Thierry Pun },
    title = { Information-theoretic visual communications in human-computer interfaces: Interactive segmentation },
    booktitle = { IM2 Interactive Information Management Workshop },
    year = { 2003 },
    month = { October },
    address = { Martigny Crans-Montana, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, O. Koval, F. Deguillaume, and T. Pun, "Data hiding capacity-security analysis for real images based on stochastic non-stationary geometrical models," in Proc. SPIE Photonics West, Electronic Imaging 2003, Security and Watermarking of Multimedia Contents V, Santa Clara, CA, USA, 2003. [ps.gz| pdf|bib]
@inproceedings { VG:VKDP2003b,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Fr{\'e}d{\'e}ric Deguillaume and Thierry Pun },
    title = { Data hiding capacity-security analysis for real images based on stochastic non-stationary geometrical models },
    booktitle = { SPIE Photonics West, Electronic Imaging 2003, Security and Watermarking of Multimedia Contents V },
    year = { 2003 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Santa Clara, CA, USA },
    month = { January 20-24 }
}
Close
S. Voloshynovskiy, F. Deguillaume, O. Koval, and T. Pun, "Robust digital watermarking with channel state estimation: part II Applied robust watermarking," Signal Processing, 2003. [link| link|bib]
@article { VG:VDKP2003c,
    author = { Sviatoslav Voloshynovskiy and Fr{\'e}d{\'e}ric Deguillaume and Oleksiy Koval and Thierry Pun },
    title = { Robust digital watermarking with channel state estimation: part II Applied robust watermarking },
    journal = { Signal Processing },
    year = { 2003 },
    vgclass = { refpap },
    vgproject = { watermarking },
    note = { submitted }
}
Close
S. Voloshynovskiy, F. Deguillaume, O. Koval, and T. Pun, "Robust digital watermarking with channel state estimation: part I Approaching theoretical capacity," Signal Processing, 2003. [link| link|bib]
@article { VG:VDKP2003b,
    author = { Sviatoslav Voloshynovskiy and Fr{\'e}d{\'e}ric Deguillaume and Oleksiy Koval and Thierry Pun },
    title = { Robust digital watermarking with channel state estimation: part I Approaching theoretical capacity },
    journal = { Signal Processing },
    year = { 2003 },
    vgclass = { refpap },
    vgproject = { watermarking },
    note = { submitted }
}
Close
S. Voloshynovskiy, F. Deguillaume, O. Koval, and T. Pun, "Information-Theoretic Data-Hiding for Public Network Security, Services Control and Secure Communications," in Proc. 6th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) 2003, Nis, Yugoslavia, 2003. [ps| pdf|bib]
@inproceedings { VG:TELSIKS2003,
    author = { Sviatoslav Voloshynovskiy and Fr{\'e}d{\'e}ric Deguillaume and Oleksiy Koval and Thierry Pun },
    title = { Information-Theoretic Data-Hiding for Public Network Security, Services Control and Secure Communications },
    booktitle = { 6th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) 2003 },
    year = { 2003 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Nis, Yugoslavia },
    month = { October 1-4 }
}
Close
F. Deguillaume, S. Voloshynovskiy, and T. Pun, "Secure hybrid robust watermarking resistant against tampering and copy-attack," Signal Processing, vol. 83, iss. 10, pp. 2133-2170, 2003. [pdf|bib]
@article { Deguillaume:2003:SHR,
    author = { Fr{\'e}d{\'e}ric Deguillaume and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Secure hybrid robust watermarking resistant against tampering and copy-attack },
    journal = { Signal Processing },
    year = { 2003 },
    volume = { 83 },
    pages = { 2133--2170 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 10 },
    month = { October }
}
Close
T. I. Alecu, S. Voloshynovskiy, and T. Pun, "Localization properties of an EEG sensor system : electrode misplacement sensitivity," in Proc. NCCR (IM)2 Interactive Multimodal Information Management Workshop, MartignyCrans-Montana, Switzerland, October 6-8, 2003, 2003. [bib]
@inproceedings { Alecu:IM22003:LPESSEMS,
    author = { Teodor Iulian Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Localization properties of an EEG sensor system : electrode misplacement sensitivity },
    booktitle = { NCCR (IM)2 Interactive Multimodal Information Management Workshop, MartignyCrans-Montana, Switzerland, October 6-8, 2003 },
    year = { 2003 },
    vgclass = { fullconf },
    vgproject = { bmi }
}
Close
J. E. Vila-Forcén, S. Voloshynovskiy, O. Koval, and T. Pun, "Low bit rate image compression using a non-stationary geometrical image priors," in Proc. IM2 Interactive Information Management Workshop, Martigny Crans-Montana, Switzerland, 2003. [bib]
@inproceedings { Vila:2003:IM2,
    author = { Jos{\'e} Emilio Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Low bit rate image compression using a non-stationary geometrical image priors },
    booktitle = { IM2 Interactive Information Management Workshop },
    year = { 2003 },
    month = { October },
    address = { Martigny Crans-Montana, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
Y. Rytsar, S. Voloshynovskiy, O. Koval, F. Deguillaume, J. E. Vila-Forcén, and T. Pun, "Smart Media: from basic concepts to applications," in Proc. IM2 Interactive Information Management Workshop, Martigny Crans-Montana, Switzerland, 2003. [bib]
@inproceedings { Rytsar:2003:IM2,
    author = { Yuriy Rytsar and Sviatoslav Voloshynovskiy and Oleksiy Koval and Fr{\'e}d{\'e}ric Deguillaume and Jos{\'e} Emilio Vila-Forc{\'e}n and Thierry Pun },
    title = { Smart Media: from basic concepts to applications },
    booktitle = { IM2 Interactive Information Management Workshop },
    year = { 2003 },
    month = { October },
    address = { Martigny Crans-Montana, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, T. Pun, J. Fridrich, F. Perez-Gonzales, and N. Memon, "Special issue on Security of Digital Data Hiding Technologies," Signal Processing, vol. 83, iss. 10, 2003. [bib]
@article { Voloshynovskiy:2003:AP,
    author = { Sviatoslav Voloshynovskiy and Thierry Pun and J. Fridrich and F. Perez-Gonzales and N. Memon },
    title = { Special issue on Security of Digital Data Hiding Technologies },
    journal = { Signal Processing },
    volume = { 83 },
    number = { 10 },
    pages = { 0--0 },
    year = { 2003 },
    month = { October },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
T. I. Alecu, S. Voloshynovskiy, and T. Pun, "Localization properties of an EEG sensor system: electrode misplacement sensitivity," in Proc. IM2 Interactive Information Management Workshop, Martigny Crans-Montana, Switzerland, 2003. [bib]
@inproceedings { Alecu:2003:IM2,
    author = { Teodor Iulian Alecu and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Localization properties of an EEG sensor system: electrode misplacement sensitivity },
    booktitle = { IM2 Interactive Information Management Workshop },
    year = { 2003 },
    month = { October },
    address = { Martigny Crans-Montana, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
F. Ehrler, Segmentation interactive pour la cr√©ation d'images intelligentes bas√©es sur les informations cach√©es, 2003. [bib]
@misc { VG:Ehrler03,
    vgclass = { diploma },
    vgproject = { unspecified },
    author = { Fr√©d√©ric Ehrler },
    title = { Segmentation interactive pour la cr√©ation d'images intelligentes bas√©es sur les informations cach√©es },
    howpublished = { diploma thesis, University of Geneva },
    month = { f√©vrier },
    year = { 2003 }
}
Close
Y.Rytsar, S.Voloshynovskiy, and T.Pun, "Metadata Representation for Semantic-Based Multimedia Security and Management," in Proc. On The Move to Meaningful Internet Systems 2003: OTM 2003 Workshops, Catania, Italy, 2003, pp. 769-778. [pdf|bib]
@inproceedings { VG:OTM03,
    author = { Y.Rytsar and S.Voloshynovskiy and T.Pun },
    title = { Metadata Representation for Semantic-Based Multimedia Security and Management },
    booktitle = { On The Move to Meaningful Internet Systems 2003: OTM 2003 Workshops },
    year = { 2003 },
    vgclass = { refpap },
    vgproject = { watermarking },
    volume = { 2889 / 2003 },
    series = { Lecture Notes in Computer Science },
    pages = { 769--778 },
    address = { Catania, Italy },
    month = { November },
    publisher = { Springer Berlin / Heidelberg }
}
Close
S. Voloshynovskiy, O. Koval, and T. Pun, "Wavelet-based image denoising using non-stationary stochastic geometrical image priors," in Proc. SPIE Photonics West, Electronic Imaging 2003, Image and Video Communications and Processing V, Santa Clara, CA, USA, 2003. [ps.gz| pdf|bib]
@inproceedings { VG:VKP2003a,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Wavelet-based image denoising using non-stationary stochastic geometrical image priors },
    booktitle = { SPIE Photonics West, Electronic Imaging 2003, Image and Video Communications and Processing V },
    year = { 2003 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Santa Clara, CA, USA },
    month = { January 20-24 }
}
Close
S. Voloshynovskiy, A. Herrigel, Y. Rytsar, and T. Pun, "{StegoWall}: Blind Statistical Detection of Hidden Data," in Proc. Proceedings of {SPIE} Photonics West, Electronic Imaging 2002, Security and Watermarking of Multimedia Contents {IV}, San Jose, USA, 2002. [pdf|bib]
@inproceedings { VG:VHRP2002,
    author = { Sviatoslav Voloshynovskiy and Alexander Herrigel and Yuriy Rytsar and Thierry Pun },
    title = { {StegoWall}: Blind Statistical Detection of Hidden Data },
    booktitle = { Proceedings of {SPIE} Photonics West, Electronic Imaging 2002, Security and Watermarking of Multimedia Contents {IV} },
    year = { 2002 },
    vgclass = { refpap },
    vgproject = { watermarking },
    editor = { E.J. Delp and P. W. Wong },
    address = { San Jose, USA }
}
Close
S. Voloshynovskiy and A. Herrigel, Robustness of Watermarks and Intentional Attacks, 2002. [bib]
@misc { Svolos:TCW2002:RWIA,
    vgclass = { fullconf },
    vgproject = { watermarking },
    author = { Sviatoslav Voloshynovskiy and Alexander Herrigel },
    title = { Robustness of Watermarks and Intentional Attacks },
    howpublished = { TCW Workshop on Digital Watermarking and Digital Rights Management) (Invited presentation) },
    month = { September },
    year = { 2002 },
    note = { Fraunhofer IGD, Darmstadt, Germany }
}
Close
F. Deguillaume, S. Voloshynovskiy, and T. Pun, A method for hybrid robust watermarking and tamper proofing, 2002. [bib]
@misc { VG:DVP2002c,
    vgclass = { patent },
    vgproject = { watermarking },
    author = { Fr{\'e}d{\'e}ric Deguillaume and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { A method for hybrid robust watermarking and tamper proofing },
    howpublished = { US Patent Application },
    month = { filed June 2, 2002 },
    year = { 2002 }
}
Close
S. Voloshynovskiy, Robust digital watermarking: state-of-the-art and benchmarking, 2002. [bib]
@misc { Svolos:KAIST2002:RDW,
    vgclass = { fullconf },
    vgproject = { watermarking },
    author = { Sviatoslav Voloshynovskiy },
    title = { Robust digital watermarking: state-of-the-art and benchmarking },
    howpublished = { KAIST and ETRI seminar) - (Invited lecture) },
    month = { February },
    year = { 2002 },
    note = { Korean Advanced Institute of Science and Technology }
}
Close
F. Deguillaume, S. Voloshynovskiy, and T. Pun, "Hybrid robust watermarking resistant against copy attack," in Proc. Proceedings of the European Signal Processing Conference {(EUSIPCO2002)}, Toulouse, France, 2002. [pdf|bib]
@inproceedings { VG:DVP2002f,
    author = { Fr{\'e}d{\'e}ric Deguillaume and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Hybrid robust watermarking resistant against copy attack },
    booktitle = { Proceedings of the European Signal Processing Conference {(EUSIPCO2002)} },
    year = { 2002 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Toulouse, France },
    month = { September }
}
Close
S. Voloshynovskiy and T. Pun, "Capacity-security analysis of data hiding technologies," in Proc. Proceedings of IEEE International Conference on Multimedia and Expo (ICME2002), Lausanne, Switzerland, 2002. [pdf|bib]
@inproceedings { VG:VP2002,
    author = { Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Capacity-security analysis of data hiding technologies },
    booktitle = { Proceedings of IEEE International Conference on Multimedia and Expo (ICME2002) },
    year = { 2002 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Lausanne, Switzerland },
    month = { August 26-29 }
}
Close
F. Deguillaume, S. Voloshynovskiy, and T. Pun, A method for the estimation and recovering of general affine transform, 2002. [bib]
@misc { VG:DVP2002d,
    vgclass = { patent },
    vgproject = { watermarking },
    author = { Fr{\'e}d{\'e}ric Deguillaume and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { A method for the estimation and recovering of general affine transform },
    howpublished = { US Patent Application },
    month = { filed January 19, 2002 },
    year = { 2002 }
}
Close
S. Voloshynovskiy, O. Koval, and T. Pun, "Wavelet-based denoising using stochastic geometrical priors," in Proc. IM2 Interactive Information Management Workshop, Martigny, Switzerland, 2002. [bib]
@inproceedings { Voloshynovskiy:2002:IM2,
    author = { Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun },
    title = { Wavelet-based denoising using stochastic geometrical priors },
    booktitle = { IM2 Interactive Information Management Workshop },
    year = { 2002 },
    month = { October },
    address = { Martigny, Switzerland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
F. Deguillaume, S. Voloshynovskiy, and T. Pun, "Method for the Estimation and Recovering from General Affine Transforms in Digital Watermarking Applications," in Proc. SPIE Photonics West, Electronic Imaging 2002, Security and Watermarking of Multimedia Contents IV, San Jose, CA, USA, 2002. [ps.gz| pdf|bib]
@inproceedings { VG:DVP2002b,
    author = { Fr{\'e}d{\'e}ric Deguillaume and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Method for the Estimation and Recovering from General Affine Transforms in Digital Watermarking Applications },
    booktitle = { SPIE Photonics West, Electronic Imaging 2002, Security and Watermarking of Multimedia Contents IV },
    year = { 2002 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { San Jose, CA, USA },
    month = { January 20-24 }
}
Close
S. Voloshynovskiy, S. Pereira, V. Iquise, and T. Pun, "Attack modelling: Towards a second generation benchmark," Signal Processing, vol. 81, iss. 6, pp. 1177-1214, 2001. [ps.gz| pdf|bib]
@article { VG:VPI2001,
    author = { Sviatoslav Voloshynovskiy and Shelby Pereira and Victor Iquise and Thierry Pun },
    title = { Attack modelling: Towards a second generation benchmark },
    journal = { Signal Processing },
    year = { 2001 },
    volume = { 81 },
    pages = { 1177-1214 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 6 },
    month = { June },
    note = { Special Issue: Information Theoretic Issues in Digital Watermarking, 2001. V. Cappellini, M. Barni, F. Bartolini, Eds. },
    abstract = { Digital image watermarking techniques for copyright protection have become increasingly robust. The best algorithms perform well against the now standard benchmark tests included in the Stirmark package. However the stirmark tests are limited since in general they do not properly model the watermarking process and consequently are limited in their potential to removing the best watermarks. Here we propose a stochastic formulation of watermarking attacks using an estimationbased concept. The proposed attacks consist of two main stages: a) watermark or cover data estimation; b) modification of stego data aiming at disrupting the watermark detection and of resolving copyrights, taking into account the statistics of the embedded watermark and exploits features of human visual system. In the second part of the paper we propose a "second generation benchmark". We follow the model of the Stirmark benchmark and propose the 6 following categories of tests: denoising attacks and wavelet compression, watermark copy attack, synchronization removal, denoising/compression with following perceptual remodulation, denoising and random bending. Our results indicate that even though some algorithms perform well against the Stirmark benchmark, almost all algorithms perform poorly against our benchmark. This indicates that much work remains to be done before claims about "robust" watermarks can be made. We also propose a new method of evaluating image quality based on the Watson metric which overcomes the limitations of the PSNR. }
}
Close
S. Voloshynovskiy and T. Pun, "Stochastic Digital Image Watermarking," in Proc. {IEEE/ISSPA} {ISSPA} 2001, 6th Int. Symposium on Signal Processing and its Applications, Kuala-Lumpur, Malaysia, 2001. [bib]
@inproceedings { VG:VoP2001,
    author = { Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Stochastic Digital Image Watermarking },
    booktitle = { {IEEE/ISSPA} {ISSPA} 2001, 6th Int. Symposium on Signal Processing and its Applications },
    year = { 2001 },
    vgclass = { fullconf },
    vgproject = { watermarking },
    address = { Kuala-Lumpur, Malaysia },
    note = { Thierry Pun, invited plenary lecture }
}
Close
S. Voloshynovskiy, S. Pereira, T. Pun, J. Eggers, and J. Su, "Attacks on Digital Watermarks: Classification, Estimation-based Attacks and Benchmarks," IEEE Communications Magazine (Special Issue on Digital watermarking for copyright protection: a communications perspective), vol. 39, iss. 8, pp. 118-127, 2001. [pdf| ps.gz|bib]
@article { VG:VPP2001,
    author = { Sviatoslav Voloshynovskiy and Shelby Pereira and Thierry Pun and J. Eggers and J. Su },
    title = { Attacks on Digital Watermarks: Classification, Estimation-based Attacks and Benchmarks },
    journal = { IEEE Communications Magazine (Special Issue on Digital watermarking for copyright protection: a communications perspective) },
    year = { 2001 },
    volume = { 39 },
    pages = { 118-127 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { 8 },
    note = { M. Barni, F. Bartolini, I.J. Cox, J. Hernandez, F. P\'erez-Gonz\'alez, Guest Eds. Invited paper. },
    abstract = { Watermarking is a potential method for protection of ownership rights on digital audio, image and video data. Benchmarks are used to evaluate the performance of different watermarking algorithms. For image watermarking, the Stirmark package is the most popular benchmark, and the best current algorithms perform well against it. However, results obtained by the Stirmark benchmark have to be handled carefully since Stirmark does not properly model the watermarking process and consequently is limited in its potential for impairing sophisticated image watermarking schemes. In this context, the goal of this article is threefold. First, we give an overview of the current attacking methods. Second, we describe attacks exploiting knowledge about the statistics of the original data and the embedded watermark. We propose a stochastic formulation of estimation-based attacks. Such attacks consist of two main stages: a) watermark estimation; b) exploitation of the estimated watermark to trick watermark detection or create ownership ambiguity. The full strength of estimation-based attacks can be achieved by introducing additional noise, where the attacker tries to combine the estimated watermark and the additive noise to impair watermark communication as much as possible while fulfilling a quality constraint on the attacked data. With a sophisticated quality constraint it is also possible to exploit human perception, e.g., the human auditory system in case of audio watermarks and the human visual system (HVS) in case of image and video watermarks. Third, we discuss the current status of image watermarking benchmarks. We briefly present Fabien Petitcolas' Stirmark benchmarking tool [1]. Next, we consider the benchmark proposed by the University of Geneva Vision Group that contains more deliberate attacks. Finally, we summerize the current work of the European Certimark project, whose goal is to accelerate efforts from a number of research groups and companies in order to produce an improved ensemble of benchmarking tools. }
}
Close
S. Voloshynovskiy, A. Herrigel, and T. Pun, "Blur/deblur attack against document protection systems based on digital watermarking," in Proc. Information Hiding Workshop, Pittsburgh, PA, USA, 2001. [pdf| ps.gz|bib]
@inproceedings { VG:VHP2001,
    author = { Sviatoslav Voloshynovskiy and Alexander Herrigel and Thierry Pun },
    title = { Blur/deblur attack against document protection systems based on digital watermarking },
    booktitle = { Information Hiding Workshop },
    year = { 2001 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Pittsburgh, PA, USA },
    month = { apr },
    abstract = { A growing concern emerges regarding the possibility of coun- terfeiting currencies using digital imaging technologies. In order to help developing resistance against this new type of fraud, this paper presents possible attacking scenarios against supposedly sophisticated document protection systems based on digital watermarking. These new attacks, which would allow even an average counterfeiter to reproduce banknotes or passports created using systems with built-in watermark detector. }
}
Close
A. Synyavskyy, S. Voloshynovskiy, and I. Prudyus, "Wavelet-Based {MAP} Image Denoising Using Provably Better Class of Stochastic I.I.D. Image Models," Facta Universitatis (Nis), vol. 14, 2001. [ps.gz| pdf|bib]
@article { VG:SVP2001,
    author = { A. Synyavskyy and Sviatoslav Voloshynovskiy and I. Prudyus },
    title = { Wavelet-Based {MAP} Image Denoising Using Provably Better Class of Stochastic I.I.D. Image Models },
    journal = { Facta Universitatis (Nis) },
    year = { 2001 },
    volume = { 14 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
I. Prudyus, S. Voloshynovskiy, A. Synyavskyy, T. Holotyak, and L. Lazko, "Generalized radar/radiometry imaging problems," Journal of Telecommunications and Information Technology, vol. 4, pp. 15-20, 2001. [pdf|bib]
@article { VG:PVSHL2001,
    author = { I. Prudyus and Sviatoslav Voloshynovskiy and A. Synyavskyy and T. Holotyak and L. Lazko },
    title = { Generalized radar/radiometry imaging problems },
    journal = { Journal of Telecommunications and Information Technology },
    year = { 2001 },
    volume = { 4 },
    pages = { 15-20 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Pereira, S. Voloshynovskiy, and T. Pun, "Optimal transform domain watermark embedding via linear programming," Signal Processing, Special Issue: Information Theoretic Issues in Digital Watermarking, 2001. [pdf| ps.gz|bib]
@article { VG:PVP2001,
    author = { Shelby Pereira and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Optimal transform domain watermark embedding via linear programming },
    journal = { Signal Processing, Special Issue: Information Theoretic Issues in Digital Watermarking },
    year = { 2001 },
    vgclass = { refpap },
    vgproject = { watermarking },
    note = { (to appear) },
    abstract = { Invisible Digital watermarks have been proposed as a method for discouraging illicit copying and distribution of copyright material. In recent years it has been recognized that embedding information in a transform domain leads to mo re robust watermarks. A major difficulty inwatermarking in a transform domain lies in the fact that constraints on the allowable distortion at any pixel may be speci ed in the spatial domain. The central contribution of the paper is the proposal of an approach which takes into account spatial domain constraints in an optimal fashion. The main idea is to structure the watermark embedding as a linear programming problem in which we wish to maximize the strength of the watermark subject to a set of lin- ear constraints on the pixel distortions as determined by a masking function. We consider the special cases of embedding in the DCT domain and wavelet domain using the Haar wavelet and Daubechies 4-tap lter in conjunction with a masking function based on a non-stationary Gaussian model, but the algorithm is applicable to any combination of transform and masking functions. Our results indicate that the proposed approach performs well against lossy compression such as JPEG and other types of ltering which do not change the geometry of the image. }
}
Close
S. Pereira, S. Voloshynovskiy, M. Madueño, S. Marchand-Maillet, and T. Pun, "Second generation benchmarking and application oriented evaluation," in Proc. Information Hiding Workshop, Pittsburgh, PA, USA, 2001. [pdf| ps.gz|bib]
@inproceedings { VG:PVM2001a,
    author = { Shelby Pereira and Sviatoslav Voloshynovskiy and Maribel Madue{\~n}o and St{\'e}phane Marchand-Maillet and Thierry Pun },
    title = { Second generation benchmarking and application oriented evaluation },
    booktitle = { Information Hiding Workshop },
    year = { 2001 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Pittsburgh, PA, USA },
    month = { apr }
}
Close
A. Herrigel and S. Voloshynovskiy, "Counterfeit Attacks against a new Currency Protection Scheme," in Proc. Int. Conf. on Communications and Multimedia Security CMS2001, Darmstadt, Germany, 2001. [bib]
@inproceedings { VG:HV2001,
    author = { Alexander Herrigel and Sviatoslav Voloshynovskiy },
    title = { Counterfeit Attacks against a new Currency Protection Scheme },
    booktitle = { Int. Conf. on Communications and Multimedia Security CMS2001 },
    year = { 2001 },
    vgclass = { refpap },
    vgproject = { watermarking },
    editor = { },
    address = { Darmstadt, Germany },
    month = { May 21-22 }
}
Close
F. Deguillaume, S. Voloshynovskiy, S. Pereira, M. Madueño, and T. Pun, Filigranage D'images Digitales, 2001. [bib]
@misc { VG:DVPMP2001,
    vgclass = { otherjournals },
    vgproject = { watermarking },
    author = { Fr{\'e}d{\'e}ric Deguillaume and Sviatoslav Voloshynovskiy and Shelby Pereira and Maribel Madue{\~n}o and Thierry Pun },
    title = { Filigranage D'images Digitales },
    howpublished = { Bull. ASE/SEV },
    month = { April },
    year = { 2001 },
    pages = { 19-27 },
    volume = { 9 }
}
Close
A. Herrigel, S. Voloshynovskiy, and Y. Rytsar, "The Watermark Template Attack," in Proc. SPIE Photonics West, Electronic Imaging 2001, Security and Watermarking of Multimedia Contents III, San Jose, CA, USA, 2001. [ps.gz| pdf|bib]
@inproceedings { VG:HVR2001,
    author = { Alexander Herrigel and Sviatoslav Voloshynovskiy and Yuriy Rytsar },
    title = { The Watermark Template Attack },
    booktitle = { SPIE Photonics West, Electronic Imaging 2001, Security and Watermarking of Multimedia Contents III },
    year = { 2001 },
    vgclass = { refpap },
    vgproject = { watermarking },
    editor = { W. Wong and E. J. Delp },
    number = { paper 4314-46 },
    address = { San Jose, CA, USA },
    month = { jan }
}
Close
S. Voloshynovskiy, F. Deguillaume, and T. Pun, Method for Digital Watermarking Robust Against Local and Global Geometrical Distortions and Projective Transforms, 2001. [bib]
@misc { VG:VDP2001b,
    vgclass = { patent },
    vgproject = { watermarking },
    author = { Sviatoslav Voloshynovskiy and Fr{\'e}d{\'e}ric Deguillaume and Thierry Pun },
    title = { Method for Digital Watermarking Robust Against Local and Global Geometrical Distortions and Projective Transforms },
    howpublished = { U.S. Patent Application },
    year = { 2001 }
}
Close
S. Voloshynovskiy, F. Deguillaume, S. Pereira, and T. Pun, "Optimal adaptive diversity watermarking with channel state estimation," in Proc. SPIE Photonics West, Electronic Imaging 2001, Security and Watermarking of Multimedia Contents III, San Jose, CA, USA, 2001. [ps.gz| pdf|bib]
@inproceedings { VG:VDP2001,
    author = { Sviatoslav Voloshynovskiy and Fr{\'e}d{\'e}ric Deguillaume and Shelby Pereira and Thierry Pun },
    title = { Optimal adaptive diversity watermarking with channel state estimation },
    booktitle = { SPIE Photonics West, Electronic Imaging 2001, Security and Watermarking of Multimedia Contents III },
    year = { 2001 },
    vgclass = { refpap },
    vgproject = { watermarking },
    number = { paper 4314-74 },
    address = { San Jose, CA, USA },
    month = { January 21-26 },
    note = { . W. Wong, E. J. Delp, Eds. }
}
Close
S. Voloshynovskiy, F. Deguillaume, and T. Pun, "Multibit Digital Watermarking Robust Against Local Nonlinear Geometrical Distortions," in Proc. {IEEE} International Conference on Image Processing, {ICIP2001}, Thessaloniki, Greece, 2001, pp. 999-1002. [ps.gz| pdf|bib]
@inproceedings { VG:VDP2001a,
    author = { Svyatoslav Voloshynovskiy and Fr{\'e}d{\'e}ric Deguillaume and Thierry Pun },
    title = { Multibit Digital Watermarking Robust Against Local Nonlinear Geometrical Distortions },
    booktitle = { {IEEE} International Conference on Image Processing, {ICIP2001} },
    year = { 2001 },
    vgclass = { refpap },
    vgproject = { watermarking },
    pages = { 999--1002 },
    address = { Thessaloniki, Greece },
    abstract = { This paper presents an efficient method for the estimation and recovering from nonlinear or local geometrical distortions, such as the random bending attack and restricted projective transforms. The distortions are modeled as a set of local affine transforms, the watermark being repeatedly allocated into small blocks in order to ensure its locality. The estimation of the affine transform parameters is formulated as a robust penalized Maximum Likelihood (ML) problem, which is suitable for the local level as well as for global distortions. Results with the Stirmark benchmark confirm the high robustness of the proposed method and show its state-of-the-art performance. }
}
Close
M. Kutter, S. Voloshynovskiy, and A. Herrigel, "Watermark copy attack," in Proc. IS\&T/SPIE's 12th Annual Symposium, Electronic Imaging 2000: Security and Watermarking of Multimedia Content II, San Jose, California USA, 2000. [ps.gz| pdf|bib]
@inproceedings { VG:KVH2000,
    author = { Martin Kutter and Sviatoslav Voloshynovskiy and Alexander Herrigel },
    title = { Watermark copy attack },
    booktitle = { IS\&T/SPIE's 12th Annual Symposium, Electronic Imaging 2000: Security and Watermarking of Multimedia Content II },
    year = { 2000 },
    vgclass = { refpap },
    vgproject = { watermarking },
    editor = { Wah Wong, Ping and Edward J. Delp },
    volume = { 3971 },
    series = { SPIE Proceedings },
    address = { San Jose, California USA },
    month = { 23--28~jan },
    note = { (Paper EI 3971-35) },
    abstract = { Research in digital watermarking has progressed along two paths. While new watermarking technologies are being developed, some researchers are also investigating di erent ways of attacking digital watermarks. Common attacks to watermarks usually aim to destroy theembedded watermark or to impair its detection. In this paper we propose a conceptually new attack for digitally watermarked images. The proposed attack doesnot destroy anembedded watermark, but copies it from one image to a di erent image. Although this new attack does not destroy awatermark or impair its detection, it creates new challenges, especially when watermarks are used for copyright protection and identi cation. The process of copying the watermark requires neither algorithmic knowledge of the watermarking technology nor the watermarking key. The attack is based on an estimation of the embedded watermark in the spatial domain through a ltering process. The estimate of the watermark is then adapted and inserted into the target image. To illustrate the performance of the proposed attack we applied it to commercial and non-commercial watermarking schemes. The experiments showed that the attack is very e ective in copying a watermark from one image to a di erent image. In addition, we have a closer look at application dependent implications of this new attack. }
}
Close
S. Voloshynovskiy, S. Pereira, A. Herrigel, N. Baumgärtner, and T. Pun, "Generalized watermark attack based on watermark estimation and perceptual remodulation," in Proc. IS\&T/SPIE's 12th Annual Symposium, Electronic Imaging 2000: Security and Watermarking of Multimedia Content II, San Jose, California USA, 2000. [pdf| pdf|bib]
@inproceedings { VG:VPH2000,
    author = { Sviatoslav Voloshynovskiy and Shelby Pereira and Alexander Herrigel and Nazanin Baumg{\"a}rtner and Thierry Pun },
    title = { Generalized watermark attack based on watermark estimation and perceptual remodulation },
    booktitle = { IS\&T/SPIE's 12th Annual Symposium, Electronic Imaging 2000: Security and Watermarking of Multimedia Content II },
    year = { 2000 },
    vgclass = { refpap },
    vgproject = { watermarking },
    editor = { Wah Wong, Ping and Edward J. Delp },
    volume = { 3971 },
    series = { SPIE Proceedings },
    address = { San Jose, California USA },
    month = { 23--28jan },
    note = { (Paper EI 3971-34) - slides },
    abstract = { Digital image watermarking has become a popular technique for authentication and copyright protection. For verifying the security and robustness of watermarking algorithms, specific attacks have to be applied to test the proposed algorithms. In contrast to the known Stirmark attack, which degrades the quality of the image while destroying the watermark, this paper presents a new approach which is based on the estimation of a watermark and the exploitation of the properties of Human Visual System (HVS). The new attack satisfies two important requirements. First, image quality after the attack as perceived by the HVS is not worse than the quality of the stego image. Secondly, the attack uses all available prior information about the watermark and cover image statistics to perform the best watermark removal or damage. The proposed attack is based on a stochastic formulation of the watermark removal problem considering the embedded watermark as additive noise with some probability distribution. The attack scheme consists of two main stages: watermark estimation based a Maximum a Posteriori (MAP) approach and watermark alteration through addition of the noise to the filtered image taking into account the statistics of the embedded watermark and exploiting HVS characteristics. Experiments on a number of real world and computer generated images show the high efficiency of the proposed attack against several known academic and commercial methods: the watermark is completely destroyed in all tested images without altering the image quality. The approach can be used against watermark embedding schemes that operate either in coordinate domain, or transform domains like Fourier, DCT or wavelet. }
}
Close
S. Voloshynovskiy, F. Deguillaume, and T. Pun, "Content adaptive watermarking based on a stochastic multiresolution image modeling," in Proc. Tenth European Signal Processing Conference (EUSIPCO'2000), Tampere, Finland, 2000. [ps.gz| pdf|bib]
@inproceedings { VG:VDP2000,
    author = { Sviatoslav Voloshynovskiy and Fr{\'e}d{\'e}ric Deguillaume and Thierry Pun },
    title = { Content adaptive watermarking based on a stochastic multiresolution image modeling },
    booktitle = { Tenth European Signal Processing Conference (EUSIPCO'2000) },
    year = { 2000 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Tampere, Finland },
    month = { sep 5--8 }
}
Close
S. Voloshynovskiy, S. Pereira, V. Iquise, and T. Pun, "Attack Modelling: Towards a Second Generation Watermarking Benchmark," Computer Vision Group, Computing Centre, University of Geneva, rue Général Dufour, 24, CH-1211 Genève, Switzerland, 00.05, 2000. [bib]
@techreport { VG:VPI2000,
    author = { Sviatoslav Voloshynovskiy and Shelby Pereira and Victor Iquise and Thierry Pun },
    title = { Attack Modelling: Towards a Second Generation Watermarking Benchmark },
    institution = { Computer Vision Group, Computing Centre, University of Geneva },
    year = { 2000 },
    vgclass = { report },
    vgproject = { watermarking },
    number = { 00.05 },
    address = { rue G\'en\'eral Dufour, 24, CH-1211 Gen\`eve, Switzerland },
    month = { may },
    abstract = { Digital image watermarking techniques for copyright protection have become increasingly robust. The best algorithms perform well against the now standard benchmark tests included in the Stirmark package. However the stirmark tests are limited since in general they do not properly model the watermarking process and consequently are limited in their potential to removing the best watermarks. Here we propose a stochastic formulation of the watermark removal problem, considering the embedded watermark as additive noise with some probability distribution. The attack scheme consists of two main stages: a) watermark estimation and partial removal by a filtering based on a Maximum a Posteriori (MAP) approach; b) watermark alteration and hiding through addition of noise to the filtered image, taking into account the statistics of the embedded watermark and exploiting HVS characteristics. In a second stage we propose a ``second generation benchmark''. We follow the model of the Stirmark tests and propose the 6 following categories of tests: denoising attacks, wavelet compression, denoising/compression with following perceptual remodulation, template/ACF (synchronization) removal, denoising and random banding, the watermark copy attack. Our results indicate that even though some algorithms perform well against the stirmark benchmark, all algorithms perform poorly against our benchmark. This indicates that much work remains to be done before claims about ``robust'' watermarks can be made. We also propose a new method of evaluating image quality based on the Watson metric which overcomes the limitations of PSNR. }
}
Close
S. Pereira, S. Voloshynovskiy, and T. Pun, "Optimized wavelet domain watermark embedding strategy using linear programming," in Proc. Wavelet Applications VII (part of SPIE AeroSense 2000), Orlando, Florida USA, 2000. [pdf| ps.gz|bib]
@inproceedings { VG:PVP2000,
    author = { Shelby Pereira and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Optimized wavelet domain watermark embedding strategy using linear programming },
    booktitle = { Wavelet Applications VII (part of SPIE AeroSense 2000) },
    year = { 2000 },
    vgclass = { refpap },
    vgproject = { watermarking },
    editor = { Harold H. Szu and Martin Vetterli },
    address = { Orlando, Florida USA },
    month = { April 26--28 },
    abstract = { Invisible Digital watermarks have been proposed as a method for discouraging illicit copying and distribution of copyright material. In recent years it has been recognized that embedding information in a transform domain leads to more robust watermarks. In particular, several approaches based on the Wavelet Transform have been proposed to address the problem of image watermarking. The advantage of the wavelet transform relative to the DFT or DCT is that it allows for localized watermarking of the image. A major di culty, however, in watermarking in any transform domain lies in the fact that constraints on the allowable distortion at any pixel are speci ed in the spatial domain. In order to insert an invisible watermark, the current trend has been to model the Human Visual System (HVS) and specify a masking function which yields the allowable distortion for any pixel. This complex function combines contrast, luminance, color, texture and edges. The watermark is then inserted in the transform domain and the inverse transform computed. The watermark is nally adjusted to satisfy the constraints on the pixel distortions. However this method is highly suboptimal since it leads to irreversible losses at the embedding stage because the watermark is being adjusted in the spatial domain with no care for the consequences in the transform domain. The central contribution of the paper is the proposal of an approach which takes into account the spatial domain constraints in an optimal fashion. The main idea is to structure the watermark embedding as a linear programming problem in which we wish to maximize the strength of the watermark subject to a set of linear constraints on the pixel distortions as determined by amasking function. We consider the Haar wavelet and Daubechies 4-tap filter in conjunction with a masking function based on a non-stationary Gaussian model, but the algorithm is applicable to any combination of transform and masking functions. Our results indicate that the proposed approach performs well against lossy compression such as JPEG and other types of filtering which do not change the geometry of the image. }
}
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S. Voloshynovskiy, A. Allen, and Z. Hrytskiv, "Robust edge-preserving image restoration in the presence of non-Gaussian noise," Electronics Letters, 2000. [bib]
@article { VG:VAH2000,
    author = { Sviatoslav Voloshynovskiy and A. Allen and Z. Hrytskiv },
    title = { Robust edge-preserving image restoration in the presence of non-Gaussian noise },
    journal = { Electronics Letters },
    year = { 2000 },
    vgclass = { refpap },
    vgproject = { watermarking },
    note = { (accepted) }
}
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S. Voloshynovskiy, F. Deguillaume, S. Pereira, A. Herrigel, and T. Pun, Method for adaptive digital watermarking robust against geometric transforms, 2000. [bib]
@misc { VG:VDPHP2000,
    vgclass = { patent },
    vgproject = { watermarking },
    author = { Sviatoslav Voloshynovskiy and Fr{\'e}d{\'e}ric Deguillaume and Shelby Pereira and Alexander Herrigel and Thierry Pun },
    title = { Method for adaptive digital watermarking robust against geometric transforms },
    howpublished = { European Patent Application PCT/IB00/01089 },
    month = { filed August 3, 2000 },
    year = { 2000 }
}
Close
S. Pereira, S. Voloshynovskiy, and T. Pun, A method for generating and decoding image dependant watermarks, 2000. [bib]
@misc { VG:PVP2000b,
    vgclass = { patent },
    vgproject = { watermarking },
    author = { Shelby Pereira and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { A method for generating and decoding image dependant watermarks },
    howpublished = { European Patent Application PCT/IB00/00494 },
    month = { Filed April 20 },
    year = { 2000 }
}
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S. Pereira, S. Voloshynovskiy, and T. Pun, "Effective channel coding for DCT watermarks," in Proc. IEEE International Conference on Image Processing ICIP 2000, Vancouver, Canada, 2000. [pdf| ps.gz|bib]
@inproceedings { VG:PVP2000a,
    author = { Shelby Pereira and Sviatoslav Voloshynovskiy and Thierry Pun },
    title = { Effective channel coding for DCT watermarks },
    booktitle = { IEEE International Conference on Image Processing ICIP 2000 },
    year = { 2000 },
    vgclass = { refpap },
    vgproject = { watermarking },
    address = { Vancouver, Canada },
    month = { September 10--13 },
    abstract = { We describe effective channel coding strategies which can be used in conjunction with linear programming optimization techniques for the embedding of robust perceptually adaptive DCT domain watermarks. The main contributions lie in the proposal of a coding strategy based on the magnitude of a DCT coefficient, the use of turbo codes for effec-tive error correction, and finally the incorporation of JPEG quantization tables at embedding. }
}
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S. Voloshynovskiy, A. Herrigel, N. Baumgärtner, and T. Pun, "A stochastic approach to content adaptive digital image watermarking," in Proc. International Workshop on Information Hiding, Dresden, Germany, 1999, pp. 212-236. [ps.gz| pdf|bib]
@inproceedings { VG:VHB1999,
    author = { Sviatoslav Voloshynovskiy and Alexander Herrigel and Nazanin Baumg{\"a}rtner and Thierry Pun },
    title = { A stochastic approach to content adaptive digital image watermarking },
    booktitle = { International Workshop on Information Hiding },
    year = { 1999 },
    vgclass = { refpap },
    vgproject = { watermarking },
    volume = { LNCS 1768 },
    series = { Lecture Notes in Computer Science },
    pages = { 212--236 },
    address = { Dresden, Germany },
    month = { 29~September~--1~October },
    publisher = { Springer Verlag },
    abstract = { This paper presents a new stochastic approach which can be applied with different watermark techniques. The approach is based on the computation of a Noise Visibility Function (NVF) that characterizes the local image properties, identifying textured and edge regions where the mark should be more strongly embedded. We present precise formulas for the NVF which enable a fast computation during the watermark encoding and decoding process. In order to determine the optimal NVF, we first consider the watermark as noise. Using a classical MAP image denoising approach, we show how to estimate the ``noise''. This leads to a general formulation for a texture masking function, that allows us to determine the optimal watermark locations and strength for the watermark embedding stage. We examine two such NVFs, based on either a non-stationary Gaussian model of the image, or a stationary Generalized Gaussian model. We show that the problem of the watermark estimation is equivalent to image denoising and derive content adaptive criteria. Results show that watermark visibility is noticeably decreased, while at the same time enhancing the energy of the watermark. }
}
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A. Herrigel, S. Voloshynovskiy, and Z. Hrytskiv, "Optical/digital identification/verification system based on digital watermarking technology," in Proc. SPIE International Workshop on Optoelectronic and Hybrid Optical/Digital Systems for Image/Signal Processing ODS'99, Lviv, Ukraine, 1999. [pdf|bib]
@inproceedings { VG:HVH1999,
    author = { Alexander Herrigel and Sviatoslav Voloshynovskiy and Z. Hrytskiv },
    title = { Optical/digital identification/verification system based on digital watermarking technology },
    booktitle = { SPIE International Workshop on Optoelectronic and Hybrid Optical/Digital Systems for Image/Signal Processing ODS'99 },
    year = { 1999 },
    vgclass = { refpap },
    vgproject = { watermarking },
    series = { SPIE Proceedings },
    address = { Lviv, Ukraine },
    month = { 20--24~sep },
    abstract = { This paper presents a new approach for the secure integrity verification of driver licenses, passports or other analogue identification documents. The system embeds (detects) the reference number of the identification document with the DCT watermark technology in (from) the owner photo of the identification document holder. Since the watermark technology is resistant against many image distortions such as affine transformations, lossy compression, quantization, dithering and other common image processing operations, the owner photo my even be damaged without any performance decrease in the detection process. During verification the reference number is extracted and compared with the reference number printed in the in the identification document. The approach combines optical and digital image processing techniques. The detection system must be able to scan an analogue driver license or passport, convert the image of this document into a digital representation and then apply the watermark verification algorithm to check the payload of the embedded watermark. If the payload of the watermark is identical with the printed visual reference number of the issuer, the verification was successful and the passport or driver license has not been modified. This approach constitutes a new class of application for the watermark technology, which was originally targeted for the copyright protection of digital multimedia data. The presented approach substantially increases the security of the analogue identification documents applied in many European countries. }
}
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S. Voloshynovskiy, S. Pereira, and T. Pun, "Watermark attacks," in Proc. Erlangen Watermarking Workshop, Erlangen, Germany, 1999. [pdf|bib]
@inproceedings { VG:VPP1999,
    author = { Sviatoslav Voloshynovskiy and Shelby Pereira and Thierry Pun },
    title = { Watermark attacks },
    booktitle = { Erlangen Watermarking Workshop },
    year = { 1999 },
    vgclass = { fullconf },
    vgproject = { watermarking },
    address = { Erlangen, Germany },
    month = { 5--6~October },
    note = { (invited presentation) }
}
Close
S. Voloshynovskiy, A. Herrigel, F. Jordan, N. Baumgärtner, and T. Pun, "A noise removal attack for watermarked images," in Proc. Multimedia and Security Workshop, Orlando, Florida, USA, 1999. [bib]
@inproceedings { VG:VHJ1999,
    author = { Sviatoslav Voloshynovskiy and Alexander Herrigel and Fr{\'e}d{\'e}ric Jordan and Nazanin Baumg{\"a}rtner and Thierry Pun },
    title = { A noise removal attack for watermarked images },
    booktitle = { Multimedia and Security Workshop },
    year = { 1999 },
    vgclass = { refpap },
    vgproject = { watermarking },
    editor = { J. Dittmann and K. Nahrstedt and P. Wohlmacher },
    address = { Orlando, Florida, USA },
    month = { 30--31~October },
    note = { (at the 7th ACM Multimedia Conference (Multimedia 99)) }
}
Close
I. Prudyus, S. Voloshynovskiy, and T. Holotyak, "Adaptive aperture formation matched with radiometry image spatial spectrum," in Proc. IEEE International Microwave and Radar Conference, Krakow, Poland, 1998. [pdf|bib]
@inproceedings { Prudyus:1998:MIKON,
    title = { Adaptive aperture formation matched with radiometry image spatial spectrum },
    author = { I. Prudyus and Sviatoslav Voloshynovskiy and Taras Holotyak },
    booktitle = { IEEE International Microwave and Radar Conference },
    year = { 1998 },
    address = { Krakow, Poland },
    notes = { This paper was awarded by Second Prize for the best paper of young authors },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
Z. Hrytskiv, S. Voloshynovskiy, and A. Allen, "High resolution radar imaging systems with robust image restoration," in Proc. IEEE International Microwave and Radar Conference, Krakow, Poland, 1998. [pdf|bib]
@inproceedings { Voloshynovskiy:1998:MIKON,
    title = { High resolution radar imaging systems with robust image restoration },
    author = { Z. Hrytskiv and Sviatoslav Voloshynovskiy and Alistar Allen },
    booktitle = { IEEE International Microwave and Radar Conference },
    year = { 1998 },
    address = { Krakow, Poland },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, "Iterative image restoration with adaptive regularization and parametric constraints," Journal of Image Processing and Communications, vol. 3, iss. 3--4, pp. 73-88, 1998. [pdf|bib]
@article { Voloshynovskiy:1998:JEI,
    title = { Iterative image restoration with adaptive regularization and parametric constraints },
    author = { Sviatoslav Voloshynovskiy },
    journal = { Journal of Image Processing and Communications },
    volume = { 3 },
    number = { 3--4 },
    pages = { 73--88 },
    year = { 1998 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
S. Voloshynovskiy, "Robust Image Restoration Based on Concept of M-Estimation and Parametric Model of Image Spectrum," in Proc. IEEE, EURASIP 5th International Workshop on Systems, Signals and Image Processing, Zagreb, Croatia, 1998. [pdf|bib]
@inproceedings { Voloshynovskiy:1998:IWSSIP,
    title = { Robust Image Restoration Based on Concept of M-Estimation and Parametric Model of Image Spectrum },
    author = { Sviatoslav Voloshynovskiy },
    booktitle = { IEEE, EURASIP 5th International Workshop on Systems, Signals and Image Processing },
    year = { 1998 },
    month = { June 3--5 },
    address = { Zagreb, Croatia },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
T. Holotyak, I. Prudyus, and S. Voloshynovskiy, "Surface image formation based on sparse arrays with nonlinear signal processing," in Proc. IEEE Second International Conference ``The detection of abandoned land mines'', Edinburgh, UK, 1998. [pdf|bib]
@inproceedings { Holotyak:1998:IEEE,
    title = { Surface image formation based on sparse arrays with nonlinear signal processing },
    author = { Taras Holotyak and I. Prudyus and Sviatoslav Voloshynovskiy },
    booktitle = { IEEE Second International Conference ``The detection of abandoned land mines'' },
    year = { 1998 },
    month = { October 12--14 },
    address = { Edinburgh, UK },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
Z. Hrytskiv, S. Voloshynovskiy, and A. Allen, "Radiometry imager with robust nonlinear adaptive image restoration," in Proc. IEEE Second International Conference ``The detection of abandoned land mines'', Edinburgh, UK, 1998. [pdf|bib]
@inproceedings { Hrytskiv:1998:IEEE,
    title = { Radiometry imager with robust nonlinear adaptive image restoration },
    author = { Z. Hrytskiv and Sviatoslav Voloshynovskiy and Alistar Allen },
    booktitle = { IEEE Second International Conference ``The detection of abandoned land mines'' },
    year = { 1998 },
    month = { October 12--14 },
    address = { Edinburgh, UK },
    vgclass = { refpap },
    vgproject = { watermarking }
}
Close
A. Herrigel and S. Voloshynovskiy, "Copyright and content protection for digital images based on asymmetric cryptographic techniques," in Proc. Multimedia and Security Workshop, Sixth ACM International Multimedia Conference, Bristol, U.K., 1998, pp. 99-112. [bib]
@inproceedings { VG:HeV1998,
    author = { Alexander Herrigel and Sviatoslav Voloshynovskiy },
    title = { Copyright and content protection for digital images based on asymmetric cryptographic techniques },
    booktitle = { Multimedia and Security Workshop, Sixth ACM International Multimedia Conference },
    year = { 1998 },
    vgclass = { refpap },
    vgproject = { watermarking },
    editor = { J. Dittman and P. Horster and P. Wohlmacher },
    pages = { 99--112 },
    address = { Bristol, U.K. },
    month = { September },
    abstract = { This paper presents a new approach for the copyright protection of digital multimedia data. The system applies cryptographic protocols and a public key technique for different purposes, namely encoding/decoding a digital watermark generated by any spread spectrum technique and the secure transfer of watermarked data from the sender to the receiver in a commercial business process. The public key technique is applied for the construction of a one-way watermark embedding and verification function to identify and prove the uniqueness of the watermark. Our approach provides secure owner authentication data who has initiated the watermark process for a specific data set. Legal dispute resolution is supported for multiple watermarking of digital data without revealing the confidential keying information. Content protection for images is provided by ciphering/deciphering the data in the transform domain. }
}
Close
I. Prudyus, S. Voloshynovskiy, and T. Holotyak, "Robust image restoration matched with adaptive aperture formation in radar imaging systems with sparse antenna arrays," in Proc. Signal Processing Conference (EUSIPCO 1998), 9th European, 1998, pp. 1-4. [pdf|bib]
@inproceedings { 7089945,
    author = { Prudyus, I. and Voloshynovskiy, S. and Holotyak, T. },
    booktitle = { Signal Processing Conference (EUSIPCO 1998), 9th European },
    title = { Robust image restoration matched with adaptive aperture formation in radar imaging systems with sparse antenna arrays },
    year = { 1998 },
    pages = { 1-4 },
    keywords = { antenna arrays;frequency-domain analysis;image restoration;radar imaging;adaptive aperture formation strategy;principle image components;radar imaging systems;robust adaptive image restoration;sparse antenna arrays;spatial frequency domain;Adaptive arrays;Aperture antennas;Image restoration;Radar imaging;Robustness },
    month = { Sept }
}
Close
Z. Grytskiv, S. Voloshynovskiy, and Y. Rytsar, ," Facta Universitatis, vol. 11, iss. 1, pp. 115-125, 1998. [pdf|bib]
@article { ,
    grytskiv:1998:facta title = { Cryptography and steganography of video information in modern communications },
    author = { Z. Grytskiv and Sviatoslav Voloshynovskiy and Yuriy Rytsar },
    journal = { Facta Universitatis },
    year = { 1998 },
    volume = { 11 },
    number = { 1 },
    pages = { 115--125 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
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Z. Grytskiv and S. Voloshynovskiy, ," Facta Universitatis, vol. 8, iss. 2, pp. 263-269, 1995. [pdf|bib]
@article { ,
    grytskiv:1995:facta title = { Radiometry imaging system with digital signal processing },
    author = { Z. Grytskiv and Sviatoslav Voloshynovskiy },
    journal = { Facta Universitatis },
    volume = { 8 },
    number = { 2 },
    pages = { 263--269 },
    year = { 1995 },
    vgclass = { refpap },
    vgproject = { watermarking }
}
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