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I remember reading at one point that perceptual hashes used in PhotoDNA could be reversed to reconstruct the image, which is why the database is closely guarded
by hackinthebochs 5y ago
I remember reading at one point that perceptual hashes used in PhotoDNA could be reversed to reconstruct the image, which is why the database is closely guarded. I assume the bloom filter implementation significantly raises the bar on reversing.
- sascha_sl 5y agoThe basic version of PhotoDNA is an Azure API you pass all your images through directly. Even that is seemingly unobtainable.