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Hopefully they are using phash to match the phone's images to known child abuse image hashes, because if they are using ML, I can only imagine what a false posi
by mkoryak 5y ago
Hopefully they are using phash to match the phone's images to known child abuse image hashes, because if they are using ML, I can only imagine what a false positive will do to someone's life.
- heavyset_go 5y agoPhashes can have collisions, and the false positive rate increases exponentially when you use a fuzzy metric like hamming distance to find derivatives of a source image.