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SurfaceMouse: supplementing multi-touch interaction with a virtual mouse

We present SurfaceMouse, a virtual mouse for multi-touch surface computing. Although moving away from the direct touch manipulation paradigm, our system brings many sig-nificant benefits seen in absolute clutched devices to sur-face computing. Features include high and variable control device gains, several degrees of freedom in a single hand gesture, ability to target small GUI items, and a familiar method for reaching far areas of large displays. Importantly, this benefit is realized by leveraging what users already know and have tremendous experience with - physical mice. Results from our proof-of-concept evaluation reflect this; users were able to use and recognize our system with-out training or prompts. Being entirely virtual, Surface-Mouse can be implemented in existing systems with little more than a software update.