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Study on Human-Computer Interaction System Based on Binocular Vision Technology

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5 Author(s)
Xie Yu ; Beijing Aerosp. Autom. Control Inst., Beijing, China ; Wang Yan-Ning ; Guo Bo-Tao ; Wang Hui-Hui
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The image processing and rapid location algorithm was studied to realize a human-computer interaction system based on DSP platform for image processing. Finger recognition and fast location were implemented during the process of acquiring image sequence. There were three key points in this process: finger recognition, fingertip location and coordinate mapping. Consider of the movement characteristics of the finger, algorithm for moving object extraction was designed by combining consecutive frames subtraction and background subtraction. Canny arithmetic operator was used for edge segmentation of the region of interest and the fingertip was recognized through template matching. Finally, fast fingertip location algorithm based on the look-up table method was developed according to the binocular vision theory. Location of the fingertip and mapping between space physical coordinates and computer screen coordinates were consequently implemented.

Published in:

Instrumentation, Measurement, Computer, Communication and Control (IMCCC), 2012 Second International Conference on

Date of Conference:

8-10 Dec. 2012

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