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arXiv:1905.05243cs.CV

Robustness Analysis of Face Obscuration

Hanxiang Hao, David Güera, János Horváth, Amy R. Reibman, Edward J. Delp

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Abstract

Face obscuration is needed by law enforcement and mass media outlets to guarantee privacy. Sharing sensitive content where obscuration or redaction techniques have failed to completely remove all identifiable traces can lead to many legal and social issues. Hence, we need to be able to systematically measure the face obscuration performance of a given technique. In this paper we propose to measure the effectiveness of eight obscuration techniques. We do so by attacking the redacted faces in three scenarios: obscured face identification, verification, and reconstruction. Threat modeling is also considered to provide a vulnerability analysis for each studied obscuration technique. Based on our evaluation, we show that the k-same based methods are the most effective.

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cs.CVComputer Vision and Pattern Recognition

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  1. Blur Tools for Signal 1 comment

    • In https://arxiv.org/abs/1905.05243, we presented a measure of the effectiveness of eight face obscuration techniques. We did so by attacking the redacted faces in three scenarios: obscured face identification, verification, and reconstruction. Based on our evaluation, we show…

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