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In a PC presentation system, speakers must bow to control the mouse or keyboard key to move the screen upward, downward, leftward, rightward.This causes the time delay or interrupt of presentation. In this thesis, we want to remove this drawback. We use human gestures to replace the mouse function in the PC presentation system.We have eight hand gestures including up, down, left, right, zoom in, zoom out, hold and point. With two calibrated TV cameras, we capture the hand images by frame grabber and do image processing.At last, we send the hand gesture recognition result to the PC presentation system via a RS232 network.
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