yyyasuo.m

数字图像处理

kk=imread('ziji8.jpg');
X=rgb2gray(kk);
X=double(X);
axis square
[thr,sorh,keepapp,crit]=ddencmp('cmp','wp',X);
[xc,treed,perf0,perfl2]=wpdencmp(X,sorh,3,'db3',crit,thr,keepapp);
subplot(211);
imshow(X,[]);
title('原始图像');
subplot(212);
imshow(xc,[]);
title('压缩后的图像');