iDisplay - In Air Interactive Gestures

Lahiru a 22 years old Software Engineering student from the Informatic Institute of Sri Lanka brings us the iDisplay showcasing some intriguing in air gesturing (Pinch the future between your thumb and your forefinger. ) .

An inexpensive solution to retrofit existing flat displays into interactive surfaces. No expensive sensors, IR techniques, soldering, compliant surface, patents infrindgments and no breaking the bank either. Only a regular off-the-shelf webcam and a regular LCD monitor .
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I’ve seen this technique before in Andy Wilson video http://www.youtube.com/watch?v=AtmwQnUlEmc . It works by detecting if you fingers create a loop when you touch your pointing finger with you thumb. In this way using both hands you can create two ‘pointers’ which is enough for pinch or drag’n’drop gestures.

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