it does, it just works on estimates of percepts rather than bits. you can think of a perceptual hash as two functions. a perceptual function that maps differin

it does, it just works on estimates of percepts rather than bits. you can think of a perceptual hash as two functions. a perceptual function that maps differing collections of bits that appear the same or similar to the same bits, and then a traditional hash function to ensure that these intermediate values get shuffled.