ISO/IEC 15444-2:2021 

Information technology - JPEG 2000 image coding system - Part 2: Extensions


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This document defines a set of lossless (bit-preserving) and lossy compression methods for coding continuous-tone, bi-level, grey-scale, colour digital still images, or multi-component images.
This document:
- specifies extended decoding processes for converting compressed image data to reconstructed image data;
- specifies an extended codestream syntax containing information for interpreting the compressed image data;
- specifies an extended file format;
- specifies a container to store image metadata;
- defines a standard set of image metadata;
- provides guidance on extended encoding processes for converting source image data to compressed image data;
- provides guidance on how to implement these processes in practice.

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Additional information

Publication typeInternational Standard
Publication date2021-11-12
Available language(s)English
TC/SCISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia informationrss
ICS35.040.30 - Coding of graphical and photographical information
File size13789 KB

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