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Kraken Image Optimizer · Kraken.io
Kraken.io is a robust, ultra-fast image optimizer and compressor with best-in-class algorithms.
We'll save you bandwidth and storage space and will dramatically improve your website’s load times.
compression  software  images  webbased 
22 hours ago by rsgranne
Bento4 | Fast, Modern Tools and C++ Class Library for all your MP4 and DASH media format needs
Bento4 is a C++ class library and tools designed to read and write ISO-MP4 files. This format is defined in international specifications ISO/IEC 14496-12, 14496-14 and 14496-15. The format is a derivative of the Apple Quicktime file format, so Bento4 can be used to read and write most Quicktime files as well.
Video  cli  tool  compression  webdev 
2 days ago by amason
google/guetzli: Perceptual JPEG encoder
Could have sworn I bookmarked this before. May finally have a Google thing I use regularly again.
compression  jpeg  images  google 
4 days ago by rubenerd
HEVC and HEIF Will Make Video and Photos More Efficient
If you haven’t already experienced abbreviation overload, Apple has added two more to your plate: HEVC (High Efficiency Video Coding) and HEIF (High Efficiency Image File Format — yes, it’s short one F). These two new formats will be used by iOS 11 and macOS 10.13 High Sierra when Apple releases them later this year.

While you may not have heard of HEVC or HEIF before, both are attempts to solve a set of problems related to video and still images. As people take photos and shoot video at increasingly higher resolutions and better quality, storage and bandwidth start to become limitations. Even in this day of ever-cheaper and ever-faster everything, consuming less storage space and requiring less bandwidth when syncing or streaming still has many benefits.
video  image  compression  ios 
4 days ago by vancura
next generation video: Perceptual Vector Quantization
post on perceptual vector quantizer in the daala codec—but i think daala might have been merged into AO1 somehow.
signal  processing  vector  quantization  daala  video  compression 
7 days ago by whlteXbread
DXT compression - part 4 - Entropy
In this post I go over a lossy algorithm reducing the data size on disk - Or how I went from 2.5bpp to 1.5bpp with very little visible and measurable loss in quality. 
dxt  dxt-compression  compression  post-series  jon-olick 
8 days ago by jspohr
DXT compression - part 3 - Transposes
Welcome to part 3 of the DXT compression series. In this series I go over the techniques and results used to compress Firefall's texture data as they are uncovered and implemented. 
dxt  dxt-compression  compression  post-series  jon-olick 
8 days ago by jspohr
DXT compression - part 2 - The basics
Welcome to part 2 of the DXT compression series. In this series I go over the techniques and results used to compress Firefall's texture data as they are discovered and implemented.
dxt  dxt-compression  compression  post-series  jon-olick 
8 days ago by jspohr
DXT Compression, Codebooks and Sliding Windows
Today I've been researching various DXT compression algorithms that attempt to reduce the on disk footprint of DXT textures.
dxt  dxt-compression  compression  post-series  jon-olick 
8 days ago by jspohr

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