This is the Linux app named libPGF whose latest release can be downloaded as pgf-images.zip. It can be run online in the free hosting provider OnWorks for workstations.
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The Progressive Graphics File (PGF) is an efficient image file format, that is based on a fast, discrete wavelet transform 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.
- Lossy and lossless compression
- Very efficient encoding and decoding
- Region of interest support available during decoding
This is an application that can also be fetched from https://sourceforge.net/projects/libpgf/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.