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使用matlab,根據(jù)ON THE STRUCTURE OF SOME PHASE RETRIEVAL ALGORITHMS論文編寫的,純個人編寫

代碼片段和文件信息
clear?all;
im=imread(‘peppers.png‘);
img=double(im);
S=zeros(256);
S(70:18770:187)=1;??%支撐集
I=img.*S;
f=fft2(I);
m=abs(f);%幅值
bata=0.8;
xn=rand(256);
for?n=1:500
???c=Pm(xnm);
???d=Ps(cS);
???e=Ps(xnS);
???xn=(1+bata)*d-e-bata*c+xn;
?
????%xn=Ps(cS);
????
end
x=uint8(xn);
figure(1);
imshow(x)??
psnr=psnr(imx)
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件??????37559??2006-04-17?11:20??HIO\Cameraman.png
?????文件?????153785??2006-04-17?11:20??HIO\Lena512.png
?????文件????????353??2016-05-11?16:16??HIO\main_hio.asv
?????文件????????353??2016-05-11?17:02??HIO\main_hio.m
?????文件??????40181??2005-11-14?08:14??HIO\peppers.png
?????文件????????215??2016-05-11?21:41??HIO\Pm.asv
?????文件????????215??2016-05-11?21:44??HIO\Pm.m
?????文件????????147??2016-05-11?15:22??HIO\Ps.asv
?????文件????????150??2016-05-11?15:39??HIO\Ps.m
?????文件????????133??2016-05-10?16:28??HIO\psnr.m
?????目錄??????????0??2016-05-17?15:23??HIO
-----------?---------??----------?-----??----
???????????????233091????????????????????11
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