Description: In the image before treatment, understand the whole or local image of gray distribution is very necessary. The image of gray distribution was analyzed the important means of image is the establishment of gray histogram, use of gray histogram image, that can be directly in the images of the pixel luminance distribution Through histogram equalization, matching (the regulations) processing, the quality of the image can be adjusted. When the code is to the histogram of processing, such as, histogram generation histogram equalization and histogram match.
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