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Sven Kratz, Michael Rohs
$3 Gesture Recognizer: Simple Gesture Recognition for Devices Equipped with 3D Acceleration Sensors
Proceedings of the International Conference on Intelligent User Interfaces (IUI 2010), Hong Kong, China, February 7-10, 2010. Short paper. (bib)

We present the $3 Gesture Recognizer, a simple but robust gesture recognition system for input devices featuring 3D acceleration sensors. The algorithm is designed to be implemented quickly in prototyping environments, is intended to be device-independent and does not require any special toolkits or frameworks. It relies solely on simple trigonometric and geometric calculations. A user evaluation of our system resulted in a correct gesture recognition rate of 80%, when using a set of 10 unique gestures for classification. Our method requires significantly less training data than other gesture recognizers and is thus suited to be deployed and to deliver results rapidly.