Comment on Google will use hashes to find and remove nonconsensual intimate imagery from Search

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gian@lemmy.grys.it ⁨2⁩ ⁨weeks⁩ ago

They say to use PDQ for images which should output a similar hash for similar images (but why MD5 for video ?). So probably it is only a threshold problem.
The algorithm is explained here

https://raw.githubusercontent.com/facebook/ThreatExchange/main/hashing/hashing.pdf

it is not an hash in the cryptographic sense.

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