Hashing is the correct term here, but it's not a cryptographic hash, but rather a perceptual hash: https://en.wikipedia.org/wiki/Perceptual_hashing https://en.w

Hashing is the correct term here, but it's not a cryptographic hash, but rather a perceptual hash: https://en.wikipedia.org/wiki/Perceptual_hashing https://en.wikipedia.org/wiki/Perceptual_hashing