Munehiko Sato, Ivan Poupyrev and Chris Harrison from Disney Research, Pittsburgh published a fantastic work called Touché, which enables nearly every surface into a multitouch interaction surface. Touché is a new sensing technology that proposes a novel Swept Frequency Capacitive Sensing technique that can not only detect a touch event, but simultaneously recognize complex configurations of the human hands and body during touch interaction. This allows to significantly enhances touch interaction in a broad range of applications, from enhancing conventional touchscreens to designing interaction scenarios for unique use contexts and materials.

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