冈萨雷斯 数字图像处理(第三版)matlab代码 图3.8 伽马变换

clear all; clc ; %%%%伽马变换0.6，0.4，0.3 用imadjust函数 f = imread('Fig0308(a)(fractured_spine).bmp'); a1=imadjust(f,[],[],0.6); a2=imadjust(f,[],[],0.4); a3=imadjust(f,[],[],0.3); subplot(221);imshow(f);title('原始图像'); subplot(222);imshow(a1);title('伽马变换0.6'); subplot(223);imshow(a2);title('伽马变换0.4'); subplot(224);imshow(a3);title('伽马变换0.3');