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- From: jloup@chorus.fr (Jean-Loup Gailly)
- Newsgroups: comp.compression
- Subject: Re: Need a compressor for sparse bit datastream
- Keywords: compression technique
- Message-ID: <1038@chorus.chorus.fr>
- Date: 17 Nov 92 09:48:37 GMT
- References: <1992Nov13.120505.29654@spectrum.xerox.com> <Bxu5t8.D1B.2@cs.cmu.edu>
- Sender: jloup@chorus.chorus.fr
- Reply-To: jloup@chorus.fr (Jean-loup Gailly)
- Organization: Chorus systemes, Saint Quentin en Yvelines, France
- Lines: 16
-
- Tom Lane <tgl+@cs.cmu.edu> writes:
-
- > Arithmetic compression code is easy to come by, see the comp.compression FAQ.
- [...]
- > Are you sure the 0's and 1's are uncorrelated? If not, higher-order
- > arithmetic coding might work
-
- The program 'urban' in ddjcompr.zip (see item 12 of the FAQ) is a high
- order arithmetic coder working at the bit level, which is appropriate
- for the given application. The program is written by Urban Koistinen
- <md85-epi@nada.kth.se>.
-
- wsmr-simtel20.army.mil in pd1:<msdos.compress>ddjcompr.zip. [192.88.110.2]
- garbo.uwasa.fi:/pc/source/ddjcompr.zip [128.214.87.1]
-
- Jean-loup Gailly
-