Grok is a high performance open source JPEG 2000 codec.
The code is released under the Affero General Public License, version 3. Please see the LICENSE file for license details.
Please see the project WIKI for library usage
Free versions of the final draft of the JPEG 2000 standard can be found here: http://old.jpeg.org/jpeg2000/CDs15444.html
A monograph overview of the standard can be found here: http://www.cs.cmu.edu/afs/cs/project/pscico-guyb/realworld/www/paper_ieee_ce_jpeg2000_Nov2000.pdf