Sunday, December 12, 2010

Reading #29: Scratch Input

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  • Scratch input is a system that does simple gesture recognition using sound data. The authors use a sensor made out of a modified stethoscope to turn any surface into a gesture input area. Users can scratch the surface with a fingernail or some other type of stylus. Only a couple gestures are supported currently.

    Using only one sensor, Scratch input is very limited in its ability to distinguish between gestures. With two or three sensors, the authors should be able to turn the sound data into a real sketch.

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