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Re:Hash collision in Apple NeuralHash model by JKCalhoun on Wednesday August 18, 2021 @10:33AM (#28221479)
Not sure why the downvotes. You are absolutely correct that a threshold in the number of positives (false or otherwise) must be met.

To be fair though we do not know what the threshold is. But I would guess even higher than 5 — I would presume 12 or more.

I'm no criminologist (IANAC) but when you read about someone getting busted with child pornography they have hundreds or thousand of images — not one, not five. They're "trading cards" for these creeps.

Re:Hash collision in Apple NeuralHash model by cyanite on Wednesday August 18, 2021 @04:46PM (#28226880)
Apple says they expect to use 30 as the threshold.