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

15 Jul 2019Behrooz RazeghiTaras StankoBoris ŠkorićSlava Voloshynovskiy

We investigate the privacy of two approaches to (biometric) template protection: Helper Data Systems and Sparse Ternary Coding with Ambiguization. In particular, we focus on a privacy property that is often overlooked, namely how much leakage exists about one specific binary property of one component of the feature vector... (read more)

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