- packPNM is a state-of-the-art lossless compression software for PNM (PPM/PGM/PBM) images.
It is more or less an experiment wether parts of the packJPG algorithm could be reused for different,
non DCT based image types as well. packPNMs compression ratios are varying, but typically
quite good in comparison to other approaches, especially for binary (PBM) images.
We release packPNM and its source code (to be used under the terms of the GPL v3) alongside packJPG v2.5.
Download packPNM v1.0e from here!
- Along with packJPG version 2.5 we also release the "JPEG
Open Source Developers Package v1.0e".
The package includes several of the tools used in analysing JPEG data and developing packJPG.
Please note:
The packJPG source code is not included in the package.
Download the JPEG Open Source Developers Package
from here!
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