We’re happy to announce the release of the DTclassifier plugin for QGIS. DTclassifier provides a simple streamlined interface for raster classification and change detection, using decision trees.
The following are some DTclassifier plugin features:
A detailed description and usage examples are available at http://gis-lab.info/qa/dtclassifier.html (use Google Translate on the right). You can leave feedback and report bugs in our forum.