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jbig2dec is a decoder library and example utility implementing the JBIG2
bi-level image compression spec. Also known as ITU T.88 and ISO IEC
14492, and included by reference in Adobe's PDF version 1.4 and later.
The basic invocation is:
jbig2dec [-o <output file>] file.jbig2
It also supports separate 'global' and 'page' streams, generally
extracted from some embedded format:
jbig2dec [-o <output file>] <global_stream> <page_stream>
The program is only partially functional at this time, but should be
useful in some limited contexts. We welcome files that the decoder can't
handle, or renders incorrectly.
A set of example files is available from
http://www.ece.ubc.ca/spmg/jbig2/bitstreams/main.html
More information about this project and updated versions are available
from:
https://artifex.com/developers-ghostscript-jbig2dec/
Development source code is kept in a git repository at:
http://git.ghostscript.com/?p=jbig2dec.git
The contact address for the project is <jbig2-dev@ghostscript.com>.