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�������պ����ѧѧ�� 2010, Vol. 36 Issue (7) :785-788    DOI:
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Four-element relaxation matching algorithm of images based on known initial matching pairs
Wang Hua1, Hou Xiangshen1, Cong Jianting2, Sun Jinwei2*
1. School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China;
2. School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China

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Abstract�� A four-element relaxation matching algorithm based on known initial matching pairs was proposed. The algorithm with characteristics of anti-rotation and anti-scale of rotating angle of vectors was applied as the optimization criterion of matching pairs. Under the condition of higher initial error matching rate and larger walk errors, the algorithm achieved the matching correctly. The value difference of the rotating angle of vectors was calculated, and the optimal matching pairs was selected by using of the support function and the rules of rejection. Experimental results with large images show that the matching speed and correctness of the algorithm is better than Sangnong relaxation matching algorithm.
Keywords�� relaxation matching   the rotating angle of vectors   work error   Sangnong relaxation matching algorithm     
Received 2009-05-14;
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About author: �� ��(1975-),��,������ګ����,������,hitwh@hit.edu.cn.
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Wang Hua, Hou Xiangshen, Cong Jianting, Sun Jinwei.Four-element relaxation matching algorithm of images based on known initial matching pairs[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(7): 785-788
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