REAL-TIME MIXED REALITY WITH GPU TECHNIQUES Topics: Augmented, Mixed and Virtual Environments; Image-Based Rendering; Lighting and Appearance; Real-Time Graphics; Real-Time Rendering; Reflection and Illumination Models; Rendering Algorithms In Proceedings of the Third International Conference on Computer Graphics Theory and Applications - Volume 0VISIGRAPP, 249-252, 2008 , Funchal, Madeira, Portugal