yuanchengxu.m

将一幅图像转化为二值图像

clear all
IY=imread('cameraman.bmp');
I=im2bw(IY,0.35);
[zipped,info]=Xingchengbianma(I);
unzipped=Xingchengjiema(zipped,info);
subplot(1,3,1),imshow(IY),title('原始灰度图像');
subplot(1,3,2),imshow(I),title('二值图像');
subplot(1,3,3),imshow(unzipped),title('解码图像');
unzipped=uint8(unzipped);
erms=jfwucha(I(:),unzipped(:))
cr=info.ratio
whos IY I unzipped zipped