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>matching algorithm for previously-identified images boasts no false positives Hm. Wonder what algorithm they use, and if it's one that has collisions, and if
by ikeboy 11y ago
>matching algorithm for previously-identified images boasts no false positives
Hm. Wonder what algorithm they use, and if it's one that has collisions, and if so, can someone distribute images that alert Google's system but have no illegal content.
- duskwuff 11y agoIt's called PhotoDNA, and is proprietary to Microsoft. https://www.microsoft.com/en-us/photodna https://www.microsoft.com/en-us/photodna https://en.wikipedia.org/wiki/PhotoDNA https://en.wikipedia.org/wiki/PhotoDNA
- ikeboy 11y agoHm, so attempting to break it would require direct access to tests, which means you'd need to be a "qualified organization". Don't see any way of doing this that doesn't end in jail time.