[toxik]

You have misunderstood. NeuralHash is the visual derivative. Read [1] carefully, it's a very confusing document even for experts - nowhere is there a second step to this process where some second type of "visual derivative" is matched.

The NeuralHash is what matters, solely.

[1] https://www.apple.com/child-safety/pdf/CSAM_Detection_Techni...

[malf]

There’s literally a page showing “NeuralHash + visual derivative” in the thing you posted.

[toxik]

Edit: I did find it, but only because somebody else pointed it out. Guess I suck at reading. Also search for "derivative" failed to find it.

This thread was good https://twitter.com/fayfiftynine/status/1427900272148246530

Be specific, because I cannot find it.