Attila Kuba László G. Nyúl Kálmán Palágyi Discrete Geometry for Computer Imagery, 13th International Conference, DGCI 2006, Szeged, Hungary, October 25-27, 2006, Proceedings DGCI Lecture Notes in Computer Science 4245 Springer 2006 3-540-47651-2 db/conf/dgci/dgci2006.html