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About This Item

 

Full Description

This document defines a set of compression methods for coding one or more images of bi-level, continuous-tone greyscale, or continuous-tone colour, or multichannel digital samples.

This document:

°°°° specifies decoding processes for converting compressed image data to reconstructed image data;

°°°° specifies a codestream syntax containing information for interpreting the compressed image data;

°°°° provides guidance on encoding processes for converting source image data to compressed image data.

 

Document History

  1. ISO/IEC 18181-1:2022

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    Information technology - JPEG XL image coding system - Part 1: Core coding system

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  2. ISO/IEC 18181-2:2021


    Information technology - JPEG XL image coding system - Part 2: File format

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. ISO/IEC 18181-1:2022/Amd1:2022


    - Amendment 1: Information technology - JPEG XL image coding system - Part 1: Core coding system - Amendment 1: Profiles and levels for JPEG XL image coding system