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Perceptual Hashing for Near-Duplicate Images Quiz

Test visual versus cryptographic hashes, Hamming distance, threshold tradeoffs, crop and compression limits, and review of candidate matches.

Wadooyinka haga ee la xidhiidhaPerceptual Hashing Near Duplicate Images
Su'aal 1 ee 8

Two JPEG files look alike but differ in bytes. Why can their cryptographic hashes differ?