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libPGF is an implementation of the Progressive Graphics File (PGF)
The Progressive Graphics File (PGF) is an efficient image file format, that is based on a fast, discrete wavelettransform with progressive coding features. PGF can be used for lossless and lossy compression. It's most suitable for natural images. PGF can be used as a very efficient and fast replacement of JPEG 2000.
a cross-platform discrete wavelettransform library implemented in C
libdwt is a cross-platform discrete wavelettransform library implemented in C language. The library implements fast wavelettransform algorithm using lifting scheme. Cohen-Daubechies-Feauveau wavelets with 4 vanishing moments were used.
Implements Lazy WaveletTransform with Lifting in several variants: 1-D, 2-D, 3-D, integer precision, etc. Sample video compressor, integrated with FFmpeg. OpenCL version is created.
Clean implementation (in ANSI-C) of the Wavelets Transform. It works fairy good as a sparser, which can be combined with a compression algorithm (by using programs like bzip and gzip) to achieve high compression ratios (as good as mp3's).
A library written in C for lossy image compression. Library libopen/format OPEN supports two methods of compression - discrete cosine transform (used in JPEG) and discrete wavelettransform (used in JPEG2000).