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A Fast Search Strategy Based on Image Matching of Computer Screen
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YANG Guang,MAO Hongyu,TIAN Di,LI Jun
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(College of Instrumentation and Electronic Engineering, Jilin University, Changchun 130061, China)
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Abstract This paper put forward a kind of fast search strategy applicable to the computer screen image. Firstly, the moving range of the window containing the target image is determined, and the relative coordinates of the target image are calculated to reduce the search space. In addition, the space coordinates of known matching points are statistically classified, and the search priority is defined according to appeared probability of the target point, to build a learningstyle search algorithm. The test results show that, for the computer screen image, the algorithm has significant advantages in computing speed and matching accuracy. This method has been successfully applied in the national largescale scientific instruments work condition monitoring system.
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Received: 23 November 2009
Published: 31 August 2010
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