Computer Science ›› 2009, Vol. 36 ›› Issue (11): 251-253.
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WANG De-xin,XIONU Zhi-hui,ZHANG Mao-jun
Online:
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Abstract: To solve the occlusion of multi touch, this paper presented a multi-touch locating method based on the collaboration of four cameras. It used four cameras fixed at each corner of the frame to capture images synchronously, detected objects in each camera,built lines directing the object according to the principle of geometric optics and physical dimension constraint of the frame, and finally calibrated with the four cameras to locate each object. Experimental results show that this method can locate multi touch precisely even under occlusion and it is low cost, easy to install and transplant.
Key words: Multi-touch, Human-computer interaction, Surface computing, Multi-touch locating
WANG De-xin,XIONU Zhi-hui,ZHANG Mao-jun. Four Collaborated Cameras Multi-touch Locating Method Based on Look-up Table[J].Computer Science, 2009, 36(11): 251-253.
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