| JPEG-LS Public Domain Code |
Our codec implements the JPEG-LS standard as described in the ISO/IEC
JTC 1/SC 29/WG 1 (ITU-T SG8) document. If you are new to the JPEG-LS coding standard, there is a full technical report on
HP web page www.hpl.hp.com/loco .
You may also want to look at this paper: M. Weinberger, G. Seroussi, G. Sapiro,
" LOCO-I: A Low Complexity, Context-Based, Lossless Image Compression Algorithm,
"
Proc. IEEE Data Compression Conference, Snowbird, Utah, March-April 1996.
As a quick start you can play with the executable of a Win95/NT
based GUI implementation of the
jpeg-ls codec .
UBC's JPEG-LS Codec Implementation The software is available via anonymous ftp at
ftp://dspftp.ece.ubc.ca/pub/jpeg-ls. Version 1.1 supports only the lossless part of the standard,
while version 2 supports the lossless and near lossless mode of JPEG-LS. Version 2 also
supports color and gray level images. Please note that version 2 is based on
HP's LOCO-I/JPEG-LS implementation V.0.90.
V.1.1:jpeg_ls_v1.1.tar.gz V.2.1:jpeg_ls_v2.1.tar.gz V.2.2:jpeg_ls_v2.2.tar.gz
Please check this site again for new developments and new releases
of our codec. We will be happy to accept any
contributions to this codec. You can report bugs in this software to ismail@ece.ubc.ca or
faouzi@ece.ubc.ca.
Please check the current bug list first.
JPEG-LS Tutorial
Current software revision
numbers: