Gesture recognition method and touch system incorporating...

Details Gesture recognition method and touch system incorporating... Gesture recognition method and touch system incorporating...

G - Physics

06

F

G06F 3/042 (2006.01) H04N 5/335 (2011.01)

Patent

CA 2739518

An event generation method comprises the steps of capturing images using image devices looking generally across a touch surface; processing the captured images to detect multiple pointer contacts on the touch surface and examining the multiple pointer contacts to determine if the spacing between the multiple pointer contacts is beyond a threshold distance; if the spacing between the multiple pointer contacts is beyond the threshold distance, designating each pointer contact as a separate input and if the spacing between the multiple pointer contacts is within the threshold distance, further processing the captured images to detect relative movement of the multiple pointers on the touch surface; and generating an event when the detected relative pointer movement represents a gesture.

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