Unverified50% confidenceFactExact time
Perceptual hashing generates a 64-bit hash value by applying a DCT transform to the image and taking low-frequency coefficients; it is robust to scaling and slight color changes, but the premise is that the image contains enough global structural information.
1
Sources
50%
Confidence
Long-term
Relevance
11/2/2026
First Seen
Sources
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