author: Pierre Lassalle
additional contributor: Remi Cresson
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved
This is free software under the GPL v3 licence. See http://www.gnu.org/licenses/gpl-3.0.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Large Scale Generic Region Merging Library.