GIRL is free software, it is distributed under GNU LGPL license (version 2.1 or later). See file COPYING for license.
GIRL implements a model of planar maps to represent the regions of a segmented image. It provides efficient access to most of topological and geometrical features required by segmentation algorithms. See file doc/image_representation.pdf for more details.
See README file for details on installation, use, and contact information.