s080.m

简单的数字图像处理程序

% 灰度图像拉普拉斯箅子锐化  s080
I80=imread('3.jpg');
I800=rgb2gray(I80);
h1=[0 -1 0;-1 4 -1;0 -1 0];
I801=imfilter(I800,h1);
subplot(1,3,1),imshow(I801),colormap(jet(64));
subplot(1,3,2),imshow(imadd(I801,100));
subplot(1,3,3),imshow(im2bw(I801,0.2))