If a third party did, perhaps they would add support?
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This sounds like a call to action if ever there was one. To the drawing board!
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Replying to @honoki @hacks4pancakes and
An open standard makes so much sense though. Have messaging apps verify hashes of uploaded images against a central (or distributed) db. But how to avoid it from being abused as censorship tool?
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Replying to @honoki @hacks4pancakes and
A few pixels changed changes the hash.
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Nobody said cryptographic hash. Look up PhotoDNA for an example of a non-cryptographic hash.
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Important distinction!
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Replying to @hacks4pancakes @taviso and
Seems simple. If your image analysis can determine that an image is of a naked person, just ban the image period. Nothing to interpret. Just blanket don’t allow naked pics. Problem solved. Move on.
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Replying to @JNitterauer @hacks4pancakes and
The problem, I guess, is that sex doesn't always involve full nudity, so the algorithm approach is insufficiently advanced. Plus censorship issues are significant; a human would need to sign off 'this image can NEVER be uploaded to Facebook'.
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Replying to @iainrow @hacks4pancakes and
Also an issue: full nudity is not always sex related. Facebook has already had multiple controversies involving the takedown of pictures that show nudity in a non-sexual context: Napalm girl from Vietnam, breastfeeding mothers, even paintings from 18th century artists.
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Replying to @realnzall @iainrow and
The other issue is that it will be abused especially if it's automated. The existing PhotoDNA systems works when an image is bad no matter the context. If a photo leaks of a politician doing something sketchy could they then use an automated system to effectively censor it?
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The concern is they require you to share private photos they may not have. If you share the hash and they find a match, then they already have the photo and a human can review it, etc.
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That only applies if the photos have been unaltered
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