Image matching calculation method based on regional Gaussian weighting
A technique for matching computation and images, applied in the field of pattern recognition
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[0017] Attached below figure 2 , with image 3 As shown in the two images, they belong to the same web page. Because a large part of the page is flash, the similarity between the two images decreases. However, people’s subjective feeling is that the two images still come from the same page, that is, they should belong to the same category. The calculated results are in line with human subjective feelings, and the influence of flash needs to be removed.
[0018] The specific calculation process is as follows:
[0019] The first step is to align the images of the same type after normalization, and find the flash area by difference. According to the image structure, we first do edge detection, then use hough transform to find the top straight line in the image, align the two images, eliminate the deviation caused by the screenshot, and finally calculate the position of the flash by making a difference between the two images.
[0020] The second step is to find out the dissimi...
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