2 ms·
Maybe they were thinking of fingerprinting, e.g., by downsampling. It’s dual in some sense to hashing—a small change to some data should produce a large change
by evincarofautumn 10y ago
Maybe they were thinking of fingerprinting, e.g., by downsampling. It’s dual in some sense to hashing—a small change to some data should produce a large change in its hash, but a small change in its fingerprint.
- fake-name 10y agoHashing 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