David Coeurjolly Isabelle Sivignon Laure Tougne Florent Dupont Discrete Geometry for Computer Imagery, 14th IAPR International Conference, DGCI 2008, Lyon, France, April 16-18, 2008. Proceedings 4992 2008 978-3-540-79125-6 DGCI Lecture Notes in Computer Science Springer db/conf/dgci/dgci2008.html