GrokImageCompression/grok
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World's Leading Open Source JPEG 2000 Codec
4 mentions on Hacker News by 3 people: 1 story, 3 comments · first 2017-03-17 · latest 2026-03-11
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…well maintained and fast open source libraries available: https://github.com/uclouvain/openjpeg and https://github.com/GrokImageCompression/grok JPEG 2000 is a niche codec, but in the niches that it occupies it is the gold standard, even…
comment by boxerab · 2022-07-18 · in Is JPEG 2000 a preservation risk? (2013) -
…20 years ago, remember JPEG2000? Open Source JPEG2000 libraries: - Grok, last commit 9 hours ago: https://github.com/GrokImageCompression/grok - JasPer, last commit 5 days ago: https://github.com/jasper-software/jasper - OpenJPEG, last…
comment by Beltalowda · 2022-06-07 · in What’s the best lossless image format? -
shameless plug for my JPEG 2000 codec: https://github.com/GrokImageCompression/grok . Performance currently around 1/3 Kakadu
comment by boxerab · 2017-03-17 · in Guetzli: A New Open-Source JPEG Encoder