From what I’ve read, part of the magic here is that Apple’s perceptual hash is an exact hash. Meaning, you don’t have to do the Hamming distance thing. Admitt

From what I’ve read, part of the magic here is that Apple’s perceptual hash is an exact hash. Meaning, you don’t have to do the Hamming distance thing. Admittedly, I haven’t had a chance to read the original source material yet. It’s possible that the person I heard this from was wrong.