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perceptual hashing

calculation of hashes for images that have similar values for similar inputs use of an algorithm that attempts to fingerprint multimedia for identification and comparison. Perceptual hashes of two similar multimedia should be similar.
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perceptual hashing

Summary

Key Facts

  • perceptual hashing is a type of hashing[1].
  • perceptual hashing is used for copyright infringement via online photo[2].
  • perceptual hashing is used for video copy detection[3].
  • perceptual hashing's uses is recorded as Hamming distance[4].
  • perceptual hashing's uses is recorded as image hash function[5].
  • perceptual hashing's uses is recorded as fingerprint[6].

Body

Definition and Type

perceptual hashing is a type of hashing[1].

Use and Application

Recorded has use include copyright infringement via online photo[2] and video copy detection[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). perceptual hashing. Retrieved May 7, 2026, from https://4ort.xyz/entity/perceptual-hashing
MLA “perceptual hashing.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/perceptual-hashing.
BibTeX @misc{4ortxyz_perceptual-hashing_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{perceptual hashing}}, year = {2026}, url = {https://4ort.xyz/entity/perceptual-hashing}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): perceptual hashing — https://4ort.xyz/entity/perceptual-hashing (retrieved 2026-05-07)

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