JPEG XL
From Just Solve the File Format Problem
JPEG XL is a work-in-progress compressed image format and/or file format that is yet another attempt to be the next JPEG. It was first announced around 2017-08. It is expected to be published as ISO/IEC 18181.
JPEG XL is expected to be based in part on FUIF and PIK formats.[1] The standard also supports recompression of JPEG files with bit-exact reconstruction.
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Identification
Based on the reference implementation, JPEG XL codestreams start with bytes ff 0a.
Codestreams may also be wrapped in an ISOBMFF-based file format (implementation).
Specifications
- Committee Draft of JPEG XL (2019-08)
- ISO/IEC 18181
Software
Links
- Overview of JPEG XL
- Next-Generation Image Compression (JPEG XL) Draft Call for Proposals (2017-11)
- Revised Draft Call for Proposals (2018-02)
- Final Call for Proposals (2018-04)
- Gigazine article (2017-08-15)
- Slides from Imagecon 2019 presentation
- Introductory paper (open access)
- Benchmarking JPEG XL image compression
- How JPEG XL Compares to Other Image Codecs (2020-05-26)
