Computer Vision Imaging and Computer Graphics. Theory and Applications : International Joint Conference VISIGRAPP 2009 Lisboa Portugal February 5 8 2009. Revised Selected Papers This book constitutes the refereed proceedings of the International Conference VISIGRAPP 2009 the Joint Conference on Computer Vision Theory and Applications (VISAPP) on Imaging Theory and Applications (IMAGAPP) and on Computer Graphics Theory and Applications (GRAPP) held in Lisboa Portugal in February 2009. The 25 revised full papers presented together with an invited paper were carefully reviewed and selected. The papers are organized in topical sections on geometry and modeling rendering interactive environments image formation and processing image analysis image understanding as well as motion tracking and stereo vision.