Robust computer vision-based detection of pinching for one and two-handed gesture input
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Real-time hand-tracking with a color glove
ACM SIGGRAPH 2009 papers
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Touchscreens enable users to interact directly and intuitively with computers by simply touching the display area without requiring any intermediate devices. There are various touchscreen technologies that generally utilize resistive or capacitive panels. Typical touchscreens are constrained by the fixed size and high cost panels. Many research efforts have been made towards achieving multitouch functionality using vision-based systems. However, existing approaches have limitations such as relying on pre-defined gestures [5], requiring users to wear a glove with a custom pattern [4], or using infrared light pens [2].