1.灰度變換之imadjust函數（實現圖像灰度的反轉）

>> a = imread('view.jpg'); >> b = imadjust(a, [0,1], [1, 0]); >> figure; >> subplot(211); >> imshow(a) >> title('原圖'); >> subplot(212) >> imshow(b) >> title('調整後')

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