Some JPEG operations can be lossless if you are using the right software. This project aims to inform your choice.
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Updated
Mar 16, 2023
Some JPEG operations can be lossless if you are using the right software. This project aims to inform your choice.
Scripts and results from the Lossless Compression Efficiency of JPEG-LS, PNG, QOI and JPEG2000: A Comparative Study white paper from CAST
C QOI(Quick OK Image) Library
CharLS Tools, a set of command line tools to CharLS JPEG-LS library
A simple command line tool for resizing the dimensions of an image or reducing the file size
100% Swift base implementation of QOI (Quite OK Image Format)
Demo of a fast PNG encoder.
PAQ8PX compression archiver
Experimental PNG
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.
Playing with lossless image compression based on the quadtree data structure
Discrete Wavelet Transform (DWT) Based Lossless Image Compression with Bitstream Truncation Support
Lossless Image Compression and Transmission in Matlab
This Powershell program can convert a variety of file types to WebP losslessly.
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.
Crystal bindings for Grok
Haskell implementation of the QOI image format
Delphi / Free Pascal Compitable JPEG-LS Codec
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