Digital video fingerprinting
Technique to summarize characteristic components of a video recording / From Wikipedia, the free encyclopedia
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Video fingerprinting or video hashing are a class of dimension reduction techniques[1] in which a system identifies, extracts, and then summarizes characteristic
components of a video as a unique or a set of multiple perceptual hashes or fingerprints, enabling that video to be uniquely identified. This technology has proven to be effective at searching and comparing video files.[2][3]