Alpesh Ranchordas Helder Araújo VISAPP 2008: Proceedings of the Third International Conference on Computer Vision Theory and Applications, Funchal, Madeira, Portugal, January 22-25, 2008 - Volume 1 VISAPP (1) INSTICC - Institute for Systems and Technologies of Information, Control and Communication 978-989-8111-21-0 2008 db/conf/visapp/visapp2008-1.html