数字图像处理MATLAB相关代码(共11页).doc

精选优质文档-倾情为你奉上1.图像反转MATLAB程序实现如下：I=imread(xian.bmp);J=double(I);J=-J+(256-1); %图像反转线性变换H=uint8(J);subplot(1,2,1),imshow(I);subplot(1,2,2),imshow(H);2.灰度线性变换MATLAB程序实现如下：I=imread(xian.bmp);subplot(2,2,1),imshow(I);title(原始图像);axis(50,250,50,200);axis on; %显示坐标系I1=rgb2gray(I);subplot(2,2,2),imshow(I1);title(灰度图像);axis(50,250,50,200);axis on; %显示坐标系J=imadjust(I1,0.1 0.5,); %局部拉伸，把0.1 0.5内的灰度拉伸为0 1subplo