JPEG XL: Next-Generation of Image Format for the Internet [video] (youtube.com) 7 points by undecidabot 6y ago ↗ HN
[–] undecidabot 6y ago ↗ Slides: https://www.slideshare.net/cloudinarymarketing/imagecon-2019...Background: JPEG XL is a combination of Cloudinary's FUIF [1] (successor of FLIF [2]) and Google's Pik [3].Committee Draft (Aug 2019): https://arxiv.org/abs/1908.03565Technical Details: https://www.spiedigitallibrary.org/conference-proceedings-of...Features / Goals:- high quality compression (> 60% over JPEG-1)- royalty-free with open source implementations available from the start- versatile: supports alpha transparency, high bit depth (16-bit), lossless compression, animations- progressive decoding / "responsive by design"- legacy-friendly: reversible transcoding of JPEGs with 22% size reduction (demo available [4])Comparisons:- JPEG 2000, JPEG XR: only marginal compression improvements- WebP: limited (8-bit, 4:2:0), no progressive decoding- BPG/HEIF (HEVC): patent-encumbered (not royalty-free), no progressive decoding, complex- AVIF (AV1): no progressive decoding, complex, slow?[1] https://cloudinary.com/blog/introducing_fuif_responsive_imag...[2] http://flif.info/[3] https://github.com/google/pik[4] https://google.github.io/brunsli/ [–] ksec 6y ago ↗ From the video I was expecting even higher compression than HEIF, but > 60% over JPEG-1 seems to be about the same as HEIF.And what are the downside? Whenever something sounds too good to be true it often means we are overlooking something. [–] JyrkiAlakuijala 6y ago ↗ There is a Japanese independent (simple) comparison between av1, bpg, WebP and pik for use in photo compression. Pik won it. JPEG XL is an improved from pik.https://qiita.com/fg11894
[–] ksec 6y ago ↗ From the video I was expecting even higher compression than HEIF, but > 60% over JPEG-1 seems to be about the same as HEIF.And what are the downside? Whenever something sounds too good to be true it often means we are overlooking something. [–] JyrkiAlakuijala 6y ago ↗ There is a Japanese independent (simple) comparison between av1, bpg, WebP and pik for use in photo compression. Pik won it. JPEG XL is an improved from pik.https://qiita.com/fg11894
[–] JyrkiAlakuijala 6y ago ↗ There is a Japanese independent (simple) comparison between av1, bpg, WebP and pik for use in photo compression. Pik won it. JPEG XL is an improved from pik.https://qiita.com/fg11894
3 comments
[ 9.7 ms ] story [ 776 ms ] threadBackground: JPEG XL is a combination of Cloudinary's FUIF [1] (successor of FLIF [2]) and Google's Pik [3].
Committee Draft (Aug 2019): https://arxiv.org/abs/1908.03565
Technical Details: https://www.spiedigitallibrary.org/conference-proceedings-of...
Features / Goals:
- high quality compression (> 60% over JPEG-1)
- royalty-free with open source implementations available from the start
- versatile: supports alpha transparency, high bit depth (16-bit), lossless compression, animations
- progressive decoding / "responsive by design"
- legacy-friendly: reversible transcoding of JPEGs with 22% size reduction (demo available [4])
Comparisons:
- JPEG 2000, JPEG XR: only marginal compression improvements
- WebP: limited (8-bit, 4:2:0), no progressive decoding
- BPG/HEIF (HEVC): patent-encumbered (not royalty-free), no progressive decoding, complex
- AVIF (AV1): no progressive decoding, complex, slow?
[1] https://cloudinary.com/blog/introducing_fuif_responsive_imag...
[2] http://flif.info/
[3] https://github.com/google/pik
[4] https://google.github.io/brunsli/
And what are the downside? Whenever something sounds too good to be true it often means we are overlooking something.
https://qiita.com/fg11894