Image enhancement method based on combination of sharpening strength and gray scale distribution
A technology of image enhancement and grayscale distribution, applied in image enhancement, image data processing, instruments, etc., can solve the problems of no acquisition, clarity, and widening
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[0053] The present invention will be described in detail below in combination with specific embodiments.
[0054] The present invention is an image enhancement method based on the combination of sharpening intensity and gray scale distribution, and the specific steps are as follows:
[0055] Step 1. Determine the brightness information of the color image
[0056] Assume that the size of the input color image is m×n (that is, the size of the digital image is m rows and n columns), and the red, green, and blue three-color matrix components of the color image are respectively R=[r(i, j)] m×n , G=[g(i,j)] m×n , B=[b(i,j)] m×n , then its brightness matrix component L=[l(i,j)] m×n Obtained by the following formula:
[0057] l(i,j)=max(r(i,j),g(i,j),b(i,j)), i=1,2,...,m,j=1,2,. . . . , n; (1)
[0058] Among them, r(i, j), g(i, j), b(i, j) and l(i, j) are the red, green and blue color components of the color image respectively, and the brightness component at point ( the value of...
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