图形图像处理

开发平台：

Matlab

robertlena.m：源码内容

							I=imread('lena.bmp');
I=im2double(I);
figure;
imshow(I);title('org img');
[height width R]=size(I);
for i=2:height-1
    for j=2:width-1
        R(i,j)=abs(I(i+1,j+1)-I(i,j))+abs(I(i+1,j)-I(i,j+1));
    end
end
figure;
imshow(R,[]);
for i=1:height-1
    for j=1:width-1
        if (R(i,j)<0.25)
            R(i,j)=1;
        else R(i,j)=0;
        end
    end
end
figure;
imshow(R,[]);

						