matlab练习程序（灰度拉伸）

cl; img=imread('TestDatabase/1.bmp'); imshow(img); img=double(img); figure,imshow(mat2gray(img)) ma=double(max(max(img))); mi=double(min(min(img))); img=(255/(ma-mi))*img-(255*mi)/(ma-mi); img=uint8(i

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