jbig2dec
Ralph Giles <[email protected]> Thu, 04 Jul 2002 06:53:41 -0700
| Newsgroups | gmane.comp.printing.ghostscript.jbig2dec.cvs |
|---|---|
| Message-ID | <[email protected]> |
Update of /cvsroot/jbig2dec/jbig2dec In directory usw-pr-cvs1:/tmp/cvs-serv5268 Modified Files: README Log Message: fill out the README Index: README =================================================================== RCS file: /cvsroot/jbig2dec/jbig2dec/README,v retrieving revision 1.1 retrieving revision 1.2 diff -u -r1.1 -r1.2 --- README 13 Aug 2001 19:51:16 -0000 1.1 +++ README 4 Jul 2002 13:53:38 -0000 1.2 @@ -1 +1,16 @@ -jbig2dec is a decoder library and example utility implementing the JBIG2 bi-level image compression spec. +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 now included by reference in +Adobe's PDF 1.4. + +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