MV-Tractus
jpeg-xl
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| MV-Tractus | jpeg-xl | |
|---|---|---|
| 3 | 2 | |
| 103 | 20 | |
| - | - | |
| 3.4 | 7.0 | |
| 5 months ago | 26 days ago | |
| C | C++ | |
| - | BSD 3-clause "New" or "Revised" License |
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MV-Tractus
- H.264 is magic: a technical walkthrough
- motion vector pass
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Motion detection from video compression
look for libraries to extract motion vector from video streams. e.g. https://github.com/vadimkantorov/mpegflow or https://github.com/jishnujayakumar/MV-Tractus
jpeg-xl
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Heyo Everyone! - is there a win or mac software to batch convert imgs to avif?
shit i did not know that.. does it also work well with wordpress etc? because the only downfall of avif is bunch of extra steps on a nginx to get it to work right.. Also, u/LITUATUI 's comment, do i just change avif to jpeg-xl? i found something but didnt fully finish reading yet https://github.com/ImageMagick/jpeg-xl
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FSF Slams Google over Dropping JPEG-XL in Chrome
One of the most interesting things to me is that JPEG-XL is under an open Patent License, unlike the original JPEG.
https://en.wikipedia.org/wiki/JPEG_XL
Also, Google contributed quite a bit to it's development. As the patent grants show:
https://github.com/ImageMagick/jpeg-xl/blob/main/PATENTS
https://github.com/libjxl/libjxl/blob/main/PATENTS
Microsoft seemed to have gotten a patent on part of it's implementation (which Google also tried to get). Not sure if Google will pay to invalidate that patent, but I have a feeling they are more likely to defend AVIF.
https://www.theregister.com/2022/02/17/microsoft_ans_patent/
Google's control is a little concerning, but I do feel there are bigger fish to fry then choosing between two free formats. Like H.264 and H.265 patents.
What are some alternatives?
mpegflow - A tool for easy extraction of motion vectors stored in video files
jxl-winthumb - A JPEG XL (*.jxl) thumbnail handler for Windows File Explorer.
mv-extractor - Extract frames and motion vectors from H.264 and MPEG-4 encoded video.
sharp - High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.
jpeg-xl
highway - Performance-portable, length-agnostic SIMD with runtime dispatch
Computer-Vision-Video-Lectures - A curated list of free, high-quality, university-level courses with video lectures related to the field of Computer Vision.
libjxl - JPEG XL image format reference implementation
SVT-AV1 - Welcome to the GitHub repo for the SVT-AV1! This repo is set to read-only for archiving purposes. Please join us at https://gitlab.com/AOMediaCodec/SVT-AV1. We look forward to seeing you there
Genann - simple neural network library in ANSI C
jxl.js - JPEG XL decoder in JavaScript using WebAssembly (WASM)