An open API service providing repository metadata for many open source software ecosystems.

Topic: "lossless-image-compression"

libjxl/libjxl

JPEG XL image format reference implementation

Language: C++ - Size: 36.4 MB - Last synced at: 5 days ago - Pushed at: 5 days ago - Stars: 2,976 - Forks: 294

GrokImageCompression/grok

World's Leading Open Source JPEG 2000 Codec

Language: C++ - Size: 12.1 MB - Last synced at: 15 days ago - Pushed at: 30 days ago - Stars: 244 - Forks: 50

aous72/OpenJPH

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

Language: C++ - Size: 4.77 MB - Last synced at: 12 days ago - Pushed at: 12 days ago - Stars: 225 - Forks: 54

WangXuan95/NBLI

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 beat the SOTA JPEG-XL on photographs.

Language: C++ - Size: 4.3 MB - Last synced at: 5 months ago - Pushed at: 8 months ago - Stars: 69 - Forks: 13

wx257osn2/qoixx

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

Language: C++ - Size: 77.1 KB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 37 - Forks: 6

WangXuan95/NBLIC-Image-Compression

NBLIC is a lossless grayscale image compression algorithm with high compression ratio. 一种高压缩率的灰度图像压缩格式。

Language: C - Size: 13.9 MB - Last synced at: 10 months ago - Pushed at: 10 months ago - Stars: 29 - Forks: 3

0xd34df00d/hsqoi

Haskell implementation of the QOI image format

Language: Haskell - Size: 66.4 KB - Last synced at: 5 days ago - Pushed at: almost 2 years ago - Stars: 17 - Forks: 2

phenopolis/grok.cr

Crystal bindings for Grok

Language: C - Size: 624 KB - Last synced at: 2 months ago - Pushed at: about 1 year ago - Stars: 14 - Forks: 0

osamu620/MatHTJ2K

A MATLAB implementation of JPEG 2000 Part 1 and Part 15 (HTJ2K) that complies with the conformance testing defined in JPEG 2000 Part 4. The goal of MatHTJ2K is to help a person who wants to develop an HTJ2K-based image compression system to understand the algorithms defined in HTJ2K.

Language: MATLAB - Size: 256 KB - Last synced at: over 2 years ago - Pushed at: over 2 years ago - Stars: 8 - Forks: 1

xdsopl/dwt

Discrete Wavelet Transform (DWT) Based Lossless Image Compression with Bitstream Truncation Support

Language: C - Size: 151 KB - Last synced at: 2 months ago - Pushed at: 2 months ago - Stars: 6 - Forks: 3

xdsopl/lqt

Playing with lossless image compression based on the quadtree data structure

Language: C - Size: 34.2 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 4 - Forks: 1

alantudyk/xPNG

Experimental PNG

Language: C - Size: 5.12 MB - Last synced at: almost 2 years ago - Pushed at: almost 2 years ago - Stars: 4 - Forks: 0

matsuda-lab-tus/Selective-PMO

Hiroki Kojima, Yasuyo Kita, Ichiro Matsuda, Susumu Itoh, Yusuke Kameda, Kyohei Unno, Kei Kawamura: "Improved Probability Modeling for Lossless Image Coding Using Example Search and Adaptive Prediction", Proceedings of the 25th International Workshop on Advanced Image Technology 2022 (IWAIT 2022), Jan. 2022.

Language: C++ - Size: 108 KB - Last synced at: 8 months ago - Pushed at: over 3 years ago - Stars: 4 - Forks: 0

GotthardtZ/paq8px Fork of hxim/paq8px

PAQ8PX compression archiver

Language: C++ - Size: 3.53 MB - Last synced at: about 2 years ago - Pushed at: over 2 years ago - Stars: 3 - Forks: 0

sveinbjornt/icnsoptim

Losslessly optimize Apple .icns icon files

Language: Shell - Size: 1.34 MB - Last synced at: 9 days ago - Pushed at: 10 days ago - Stars: 2 - Forks: 0

animetosho/fpnge Fork of veluca93/fpnge

Demo of a fast PNG encoder.

Language: C++ - Size: 558 KB - Last synced at: over 2 years ago - Pushed at: almost 3 years ago - Stars: 2 - Forks: 0

visanalexandru/felics

Fast and efficient lossless image compression

Language: Rust - Size: 205 MB - Last synced at: 11 months ago - Pushed at: 11 months ago - Stars: 1 - Forks: 0

wisac/dimpic

A simple command line tool for resizing the dimensions of an image or reducing the file size

Language: JavaScript - Size: 4.18 MB - Last synced at: 12 days ago - Pushed at: over 1 year ago - Stars: 1 - Forks: 0

Aperture-Electronic/CQOI

C QOI(Quick OK Image) Library

Language: C - Size: 12.7 KB - Last synced at: almost 2 years ago - Pushed at: almost 2 years ago - Stars: 1 - Forks: 0

Knewest/Img2WebP

This Powershell program can convert a variety of file types to WebP losslessly.

Language: PowerShell - Size: 15.6 KB - Last synced at: about 2 years ago - Pushed at: about 2 years ago - Stars: 1 - Forks: 0

sciasxp/SwiftQOI

100% Swift base implementation of QOI (Quite OK Image Format)

Language: Swift - Size: 2.01 MB - Last synced at: about 1 month ago - Pushed at: over 2 years ago - Stars: 1 - Forks: 0

malaterre/charls-tools

CharLS Tools, a set of command line tools to CharLS JPEG-LS library

Language: C++ - Size: 178 KB - Last synced at: 2 months ago - Pushed at: about 3 years ago - Stars: 1 - Forks: 0

mrizaln/qoipp

A Quite OK Image (QOI) format codec written in C++20

Language: C++ - Size: 5.82 MB - Last synced at: 15 days ago - Pushed at: 15 days ago - Stars: 0 - Forks: 0

safymr/universal-image-converter-cli

Numerous converters and image tools combined into one simple CLI. Easily convert and refine large batches of images directly in your terminal. Fast, simple and easy.

Language: Python - Size: 11.7 KB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 0 - Forks: 0

TypeIMG/image-optimization-guide

Best practices for image optimization without losing quality. Improve your website speed and performance.

Size: 0 Bytes - Last synced at: 3 months ago - Pushed at: 3 months ago - Stars: 0 - Forks: 0

Sistemas-Multimedia/RIC

Reversible (lossless) Image Compression.

Size: 3.91 KB - Last synced at: over 2 years ago - Pushed at: about 3 years ago - Stars: 0 - Forks: 0