Stereo matching method based on neighborhood related information
A technology of stereo matching and neighborhood correlation, which is applied in image data processing, instrumentation, computing, etc., can solve problems such as image noise and brightness sensitivity, high algorithm complexity, and wrong matching, so as to improve accuracy and robustness, overcome Mis-match, improve the effect of mis-match
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[0032] The technical scheme of the present invention is detailed as follows:
[0033] (1) Improved Census algorithm based on neighborhood related information
[0034] Census transform is a non-parametric transform that uses image neighborhood information, which can represent the local texture features of the image. The Census algorithm generally uses a rectangular window to traverse the image, and compares the relative size of the gray value of the neighboring pixels and the center pixel in the window. When the gray value is less than or equal to the center pixel, it is recorded as 0, and when the gray value is greater than the center pixel, it is recorded as 1. Finally, these values are connected bit by bit into the Hamming distance, as the characteristic value that characterizes the characteristics of the central pixel, and the distance vector string in the neighborhood can be used to retain the local texture structure information of the image. Then the Census transformation ...
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