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A comment on Show HN: Perceptual hashing tools for detecting child sexual abuse material. Parent comment

Re:Show HN: Perceptual hashing tools for detecting child sex... by faustomorales on Monday November 04, 2019 @04:14PM (#21446578)
To build a classifier, yes, you are correct. But this isn’t a classifier to identify new content that has never been seen. This uses perceptual hashes to help organizations detect if known CSAM is being shared on their platform.
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Re:Show HN: Perceptual hashing tools for detecting child sex... by continuations on Tuesday November 05, 2019 @01:37AM (#21450222)
For an organization that uses this, wouldn't they need to have access to a source of constantly updated known CSAM? How is that going to work?
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