Sparse Coding with Ambiguization (SCA) Privacy Mechanism: 

Identification

Goal of Privacy Protection in Outsourced Services

Behrooz-GoalPrivacyIden.png

Sparse Data Representation : Main Idea

Behrooz_Sparsification.png

Sparsifying Transform: A Schematic Idea 

Behrooz_SparsifyingIdea.png

Ambiguization: Main Idea

Behrooz-Ambiguization.png

Privacy-Preserving Identification: Private Search

Behrooz_PrivateSearch.png

Privacy-Preserving Identification: Public Search

Behrooz-PublicSearch.png

General Block Diagram

BlockDiag-WIFS2017.png

Related Publication

  • 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][slide]

Contact Authors: 

Behrooz Razeghi, Slava Voloshynovskiy