Welcome to Graphics Interface 2007. This annual conference, now in its 33rd year, is devoted to computer graphics, interactive systems, and human-computer interaction. Beginning in 1969 as the “Canadian Man-Computer Communications Seminar” (CMCCS), it is the oldest regularly-scheduled computer graphics and human-computer interaction conference. This year, Graphics Interface was held May 27-29, 2007 in Montréal, Québec. Topics of interest at GI include (but are not restricted to): * Shading and rendering * Geometric modeling and meshing * Graphics in simulation * Image-based rendering * Image synthesis and realism * Medical and scientific visualization * Computer animation * Real-time rendering * Non-photorealistic rendering * Scientific and information visualization * Interaction techniques * Computer-supported cooperative work * Human interface devices * Virtual reality * Augmented reality * Data and information visualization * Multimedia * Mobile computing * Haptic and tangible interfaces * Perception