clc;clear;
img=imread（‘gezi3.jpg‘）;
imshow（img[]）;
x=rgb2gray（img）;
[cachcvcd]=dwt2（x‘haar‘）;
[uv]=size（ca）;
b=8;k=1;
for?i=1:u-b+1
????for?j=1:v-b+1
????????bk{k}=ca（i:（i+b-1）j:（j+b-1））;
????????k=k+1;
????end
end
bk=bk‘;

for?i=1:k-1
????[usv]=svd（bk{i}）;
????g{i}=s;
????r{i}=（diag（g{i}））‘;
end
r=r‘;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????336??2013-04-07?21:16??dwt_svd.m

?????文件???????2741??2013-03-27?11:58??gezi3.JPG

-----------?---------??----------?-----??----

?????????????????3077????????????????????2