gusucode.com > 精通Matlab数字图像处理与识别源码程序 > 精通Matlab数字图像处理与识别源码程序/chapter3/code/ex3_2.m

    I = imread('pout.tif'); %读入原图像

% Gamma取0.75
subplot(1,3,1);
imshow(imadjust(I, [ ], [ ], 0.75));
title('Gamma 0.75');

% Gamma取1
subplot(1,3,2);
imshow(imadjust(I, [ ], [ ], 1));
title('Gamma 1');

% Gamma取1.5
subplot(1,3,3);
imshow(imadjust(I, [ ], [ ], 1.5));
title('Gamma 1.5');

figure;
% Gamma取0.75
subplot(1,3,1);
imhist(imadjust(I, [ ], [ ], 0.75));
title('Gamma 0.75');

% Gamma取1
subplot(1,3,2);
imhist(imadjust(I, [ ], [ ], 1));
title('Gamma 1');

% Gamma取1.5
subplot(1,3,3);
imhist(imadjust(I, [ ], [ ], 1.5));
title('Gamma 1.5');