This book includes selected papers of the VISAPP and GRAPP International Conferences 2006, held in Funchal, Madeira, Portugal, February 25-28, 2006. The 27 revised full papers presented were carefully reviewed and selected from 314 submissions. The topics include Geometry and Modeling, Rendering, Animation and Simulation, Interactive Environments, Image Formation and Processing, Image Analysis, Image Understading, Motion, Tracking and Stereo Vision.