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Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines

recommendation/international standard from the International Telecommunication Union
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Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines

Summary

Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines is an ITU-T recommendation version[1].

Key Facts

  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — instance of is recorded as Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines — instance of (P31): ITU-T recommendation version[2].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — publisher is recorded as Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines — publisher (P123): ITU Telecommunication Standardization Sector[3].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — edition number is recorded as 09/92[4].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — language of work or name is recorded as Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines — language of work or name (P407): English[5].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — publication date is recorded as +1992-09-18T00:00:00Z[6].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — official website is recorded as https://www.itu.int/rec/T-REC-T.81-199209-I/en[7].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — work available at URL is recorded as https://www.w3.org/Graphics/JPEG/itu-t81.pdf[8].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — number of pages is recorded as {'unit': '1', 'amount': '+186'}[9].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — standards body is recorded as Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines — standards body (P1462): International Telecommunication Union[10].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — title is recorded as Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines[11].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — cites work is recorded as Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines — cites work (P2860): Recommendation T.80 (09/92): Common components for image compression and communication—Basic principles[12].
  • Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — ITU-T Recommendation is recorded as T.81 (09/1992)[13].

Body

Authorship and Creation

Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — publisher is recorded as Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines — publisher (P123): ITU Telecommunication Standardization Sector[3].

Publication

Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — publication date is recorded as +1992-09-18T00:00:00Z[6]. Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines's Digital compression and coding of continuous-tone still images—Requirements and guidelines — language of work or name is recorded as Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines — language of work or name (P407): English[5].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . itu.int. Retrieved . itu.int. Provenance: wikidata.org.
  3. [4] ↑ . Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines. wikidata.org.
  4. [5] ↑ . Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines. wikidata.org.
  5. [6] ↑ . itu.int. Retrieved . itu.int. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines. wikidata.org.
  9. [10] ↑ . itu.int. Retrieved . itu.int. Provenance: wikidata.org.
  10. [11] ↑ . Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines. wikidata.org.
  11. [12] ↑ . Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines. wikidata.org.
  12. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines. Retrieved May 3, 2026, from https://4ort.xyz/entity/recommendation-t-81-09-92-information-technology-digital-compression-and-coding-of-continuous-tone-still-images-requirements-and-guidelines
MLA “Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/recommendation-t-81-09-92-information-technology-digital-compression-and-coding-of-continuous-tone-still-images-requirements-and-guidelines.
BibTeX @misc{4ortxyz_recommendation-t-81-09-92-information-technology-digital-compression-and-coding-of-continuous-tone-still-images-requirements-and-guidelines_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Recommendation T.81 (09/92): Information technology—Digital compression and coding of continuous-tone still images—Requirements and guidelines}}, year = {2026}, url = {https://4ort.xyz/entity/recommendation-t-81-09-92-information-technology-digital-compression-and-coding-of-continuous-tone-still-images-requirements-and-guidelines}, note = {Accessed: 2026-05-03}}
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