Description: Traditional image correlation algorithm to match the volume of the larger issues, research image library, image search method. An improved matching algorithm, the method of correlation coefficient formula and iterative calculations can be simplified, reducing duplication of computing. by setting the reference image and target image of the correlation coefficient threshold, simply calculating the variance of the point difference between the smaller the correlation coefficient to improve the computing speed, computing time was reduced to the original 14, or less. in the folder Image Search achieving rapid image matching.
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