dropbox/leptonArchived

• mozilla/mozjpeg

  mozilla/mozjpeg

  5,685عرض على GitHub↗

  Mozjpeg is a high-performance C library for encoding, decoding, and transcoding JPEG images. It serves as a binary-compatible, drop-in replacement for standard JPEG libraries, maintaining existing function signatures to improve compression efficiency without requiring changes to application logic. The library functions as an image optimizer that reduces file sizes through lossless progressive encoding and coefficient optimization. It utilizes trellis-based quantization and SIMD-accelerated processing to optimize the trade-off between visual quality and file size. Its broader capabilities inc

  C

  عرض على GitHub↗5,685
• flif-hub/flif

  FLIF-hub/FLIF

  3,746عرض على GitHub↗

  FLIF is a lossless image format and compression tool designed for high fidelity image archiving. It reduces file sizes by using arithmetic entropy coding to assign shorter bit-sequences to frequent pixel patterns, ensuring zero data loss during the compression and decompression process. The system includes a progressive image decoder that renders low-resolution previews while the full bitstream continues to load. This allows for the display of image approximations before the entire file is downloaded. The toolset covers the full lifecycle of lossless image management, including image compres

  C++decoderencoderflif

  عرض على GitHub↗3,746
• libjpeg-turbo/libjpeg-turbo

  libjpeg-turbo/libjpeg-turbo

  4,329عرض على GitHub↗

  libjpeg-turbo is a high-performance image codec library used for encoding and decoding JPEG images. It serves as a compression library for converting raw image data into JPEG format and as a utility for transforming pixel data between different color models and buffer formats. The library utilizes SIMD instructions to accelerate the encoding and decoding process. It includes a lossless transformer that allows for cropping and resizing of JPEG data without re-encoding pixels to preserve image quality. Its broader capabilities cover image scaling during the compression process and high-perform

  C

  عرض على GitHub↗4,329
• oxipng/oxipng

  oxipng/oxipng

  4,032عرض على GitHub↗

  Oxipng is a high-performance command-line utility written in Rust designed for lossless PNG image optimization and data minimization. It functions as a lossless compressor that reduces file sizes without altering visual quality. The tool distinguishes itself through the use of multi-threaded task parallelism to accelerate the processing of large image batches. It employs iterative recompression strategies and symmetric-pass optimization to find the smallest possible file size for each image. The software's capability surface covers the removal of non-essential metadata chunks and the normali

  Rustimage-compressionimage-optimizationpng

  عرض على GitHub↗4,032

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