http://en.wikipedia.org/wiki/Lossles...ssion#Graphics
Ну и LZW (Gif) и родственники - zip, deflate etc.Graphics
* JBIG2 – (lossless or lossy compression of B&W images)
* JPEG-LS – (lossless/near-lossless compression standard)
* JPEG 2000 – (includes lossless compression method, as proven by Sunil Kumar, Prof San Diego State University)
* JPEG XR - formerly WMPhoto and HD Photo, includes a lossless compression method
* PGF – Progressive Graphics File (lossless or lossy compression)
* PNG – Portable Network Graphics
* TIFF - Tagged Image File Format
* Gifsicle (GPL) Optimize gif files
* Jpegoptim (GPL) Optimize jpeg files
Просто в RAW хранить всё-таки неумно, т.к. с большими файлами трудно обращаться - архивирование ускоряет залитие-слитие с диска на диск.



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