Search Results for author: Behrooz Razeghi

Found 12 papers, 3 papers with code

Deep Privacy Funnel Model: From a Discriminative to a Generative Approach with an Application to Face Recognition

no code implementations3 Apr 2024 Behrooz Razeghi, Parsa Rahimi, Sébastien Marcel

In this study, we apply the information-theoretic Privacy Funnel (PF) model to the domain of face recognition, developing a novel method for privacy-preserving representation learning within an end-to-end training framework.

Face Recognition Privacy Preserving +1

Deep Variational Privacy Funnel: General Modeling with Applications in Face Recognition

no code implementations26 Jan 2024 Behrooz Razeghi, Parsa Rahimi, Sébastien Marcel

In this study, we harness the information-theoretic Privacy Funnel (PF) model to develop a method for privacy-preserving representation learning using an end-to-end training framework.

Face Recognition Privacy Preserving +1

Bottlenecks CLUB: Unifying Information-Theoretic Trade-offs Among Complexity, Leakage, and Utility

1 code implementation11 Jul 2022 Behrooz Razeghi, Flavio P. Calmon, Deniz Gunduz, Slava Voloshynovskiy

In this work, we propose a general family of optimization problems, termed as complexity-leakage-utility bottleneck (CLUB) model, which (i) provides a unified theoretical framework that generalizes most of the state-of-the-art literature for the information-theoretic privacy models, (ii) establishes a new interpretation of the popular generative and discriminative models, (iii) constructs new insights to the generative compression models, and (iv) can be used in the fair generative models.

Face Recognition Fairness +3

Variational Leakage: The Role of Information Complexity in Privacy Leakage

1 code implementation5 Jun 2021 Amir Ahooye Atashin, Behrooz Razeghi, Deniz Gündüz, Slava Voloshynovskiy

We study the role of information complexity in privacy leakage about an attribute of an adversary's interest, which is not known a priori to the system designer.

Attribute Face Recognition +3

Privacy-Preserving Near Neighbor Search via Sparse Coding with Ambiguation

no code implementations8 Feb 2021 Behrooz Razeghi, Sohrab Ferdowsi, Dimche Kostadinov, Flavio. P. Calmon, Slava Voloshynovskiy

In this paper, we propose a framework for privacy-preserving approximate near neighbor search via stochastic sparsifying encoding.

Fairness Privacy Preserving

Single-Component Privacy Guarantees in Helper Data Systems and Sparse Coding with Ambiguation

no code implementations15 Jul 2019 Behrooz Razeghi, Taras Stanko, Boris Škorić, Slava Voloshynovskiy

We investigate the privacy of two approaches to (biometric) template protection: Helper Data Systems and Sparse Ternary Coding with Ambiguization.

Reconstruction of Privacy-Sensitive Data from Protected Templates

no code implementations8 May 2019 Shideh Rezaeifar, Behrooz Razeghi, Olga Taran, Taras Holotyak, Slava Voloshynovskiy

In this paper, we address the problem of data reconstruction from privacy-protected templates, based on recent concept of sparse ternary coding with ambiguization (STCA).

Privacy Preserving Quantization

Network Learning with Local Propagation

no code implementations20 May 2018 Dimche Kostadinov, Behrooz Razeghi, Sohrab Ferdowsi, Slava Voloshynovskiy

This paper presents a locally decoupled network parameter learning with local propagation.

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