JPEG XS

JPEG XS is a compressed image and video format, and related standards. It is published as ISO/IEC 21122. As of 2019-08, all the critical parts of the standard had been published.

Format details
From the standard's table of contents, we surmise that there is a still image file format called JXS, and an ISOBMFF-based format called Motion JPEG XS. There is also a standard way to use JPEG XS in HEIF.

Specifications

 * ISO/IEC 21122 - JPEG XS low-latency lightweight image coding system. (These documents are probably not free to download.)
 * ISO/IEC 21122-1:2019 - Part 1: Core coding system
 * ISO/IEC 21122-2:2019 - Part 2: Profiles and buffer models
 * ISO/IEC 21122-3:2019 - Part 3: Transport and container formats
 * ISO/IEC 21122-4 - Part 4: Conformance testing
 * ISO/IEC 21122-5 - Part 5: Reference software

Links

 * jpeg.org: Overview of JPEG XS
 * JPEG XS