Advanced concepts for intelligent vision systems : 13th International Conference, ACIVS 2011, Ghent, Belgium, August 22-25, 2011. Proceedings - Blanc-Talon, Jacques 1962-; Kleihorst, Richard; Philips, Wilfried; Popescu, Dan; Scheunders, Paul (Lecture notes in computer science / editors Gerhard Goos, Juris Hartmanis, and Jan van Leeuwen ;, 2011)