%?Function?to?calculate?Threshold?for?BayesShrink

function?threshold=bayes（Xsigmahat）

len=length（X）;
sigmay2=sum（X.^2）/len;
sigmax=sqrt（max（sigmay2-sigmahat^20））;
if?sigmax==0?threshold=max（abs（X））;
else?threshold=sigmahat^2/sigmax;
end

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件?????177851??2003-11-10?11:45??adaptive?wavelet?thresholding\barbara.png

?????文件????????253??2010-05-11?12:36??adaptive?wavelet?thresholding\bayes.m

?????文件???????1931??2010-07-10?14:23??adaptive?wavelet?thresholding\BaysShrink.m

?????文件?????434915??2009-04-28?11:59??adaptive?wavelet?thresholding\Chang.adaptive?wavelet?thresholding?for?image?denoising?and?compression.pdf

?????文件?????151199??2010-04-08?20:12??adaptive?wavelet?thresholding\lena.png

?????文件?????263222??2010-04-06?11:26??adaptive?wavelet?thresholding\lena512.bmp

?????文件????????826??2010-07-10?14:07??adaptive?wavelet?thresholding\mainbays.m

?????文件????????220??2010-07-10?13:09??adaptive?wavelet?thresholding\MSE.m

?????文件????????444??2009-08-12?11:39??adaptive?wavelet?thresholding\PSNR.m

?????文件????????277??2006-04-17?00:02??adaptive?wavelet?thresholding\sthresh.m

?????目錄??????????0??2010-09-04?20:09??adaptive?wavelet?thresholding

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??????????????1031138????????????????????11