This book constitutes the refereed proceedings of the International Conference, VISIGRAPP 2008, the Joint Conference on Computer Vision Theory and Applications (VISAPP) and Computer Graphics Theory and Applications (GRAPP), held in Funchal-Madeira, Portugal, in January 2008. The 20 revised full papers presented were carefully reviewed and selected from a total of 374 submissions. 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.