A Pix2Pix GAN trained on 1000 celebrity photos can reconstruct recognizable faces from perceptual hash values of aHash, PDQ, NeuralHash, and PhotoDNA, including the first reported inversion attacks on PDQ and NeuralHash.
Deep perceptual hashing algorithms with hidden dual pur- pose: when client-side scanning does facial recogni- tion,
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Perceptual Hash Inversion Attacks on Image-Based Sexual Abuse Removal Tools
A Pix2Pix GAN trained on 1000 celebrity photos can reconstruct recognizable faces from perceptual hash values of aHash, PDQ, NeuralHash, and PhotoDNA, including the first reported inversion attacks on PDQ and NeuralHash.