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289

2.9k

bsd-3-clause

30

JPEG XL image format reference implementation

jxl jpeg codec lossy images photos decoder encoder jpeg-xl photography lossless-images image-compression lossy-compression lossy-image-compression lossless-image-compression lossless-compression-algorithm

Created 2021-02-19

2,939 commits to main branch, last one 4 days ago

grok GrokImageCompression

47

241

other

16

World's Leading Open Source JPEG 2000 Codec

codec image jpeg2000 c-plus-plus compression itu-t-t-814 webassembly jpeg2000-part15 iso-iec-15444-15 lossy-image-compression lossless-image-compression

Created 2016-01-31

110 commits to master branch, last one about a month ago

OpenJPH aous72

53

225

bsd-2-clause

21

Open-source implementation of JPEG2000 Part-15 (or JPH or HTJ2K)

jph codec image jpeg2000 itu-t-t-814 webassembly iso-iec-15444 jpeg2000-part15 iso-iec-15444-15 lossy-image-compression lossless-image-compression

Created 2019-09-20

688 commits to master branch, last one about a month ago

NBLI WangXuan95

14

77

gpl-3.0

4

NBLI is a fast, better lossless image compression algorithm. The optimized version (fNBLI) can get 1.5x compression ratio, 8x faster encoding, and 1.2x faster decoding compared to PNG. It can also bea...

png jpeg-xl image-encoder image-compressor image-compression lossless-image-compression

Created 2023-02-19

4 commits to main branch, last one 5 months ago

qoixx wx257osn2

6

36

mit

3

Single Header Quite Fast QOI(Quite OK Image Format) Implementation written in C++20

qoi sve avx2 neon simd cpp20 arm-sve arm-neon cpp20-library image-compression lossless-image-compression

Created 2022-02-20

127 commits to master branch, last one about a month ago

JPEG-LS_extension WangXuan95

3

32

unknown

4

An implementation of JPEG-LS extension (ITU-T T.870).

jpeg-ls itu-t870 image-encode image-compression jpeg-ls-extension lossless-image-compression

Created 2023-04-10

2 commits to main branch, last one 6 months ago