%?KSVD?running?file
%?in?this?file?a?synthetic?test?of?the?K-SVD?algorithm?is?performed.?First
%?a?random?dictionary?with?normalized?columns?is?being?generated?and?then
%?a?set?of?data?signals?each?as?a?linear?combination?of?3?dictionary
%?element?is?created?with?noise?level?of?20SNR.?this?set?is?given?as?input
%?to?the?K-SVD?algorithm.

%?a?different?mode?for?activating?the?K-SVD?algorithm?is?until?a?fixed
%?error?is?reached?in?the?Sparse?coding?stage?instead?until?a?fixed?number?of?coefficients?is?found
%?（it?was?used?by?us?for?the
%?denoising?experiments）.?in?order?to?switch?between?those?two?modes?just
%?change?the?param.errorFlag?（0?-?for?fixed?number?of?coefficients?1?-
%?until?a?certain?error?is?reached）.



param.L?=?3;???%?number?of?elements?in?each?linear?combination.
param.K?=?50;?%?number?of?dictionary?elements
param.numIteration?=?50;?%?number?of?iteration?to?execute?the?K-SVD?algorithm.

param.errorFlag?=?0;?%?decompose?signals?until?a?certain?error?is?reached.?do?not?use?fix?number?of?coefficients.
%param.errorGoal?=?sigma;
param.preserveDCAtom?=?0;

%%%%%%%?creating?the?data?to?train?on?%%%%%%%%
N?=?1500;?%?number?of?signals?to?generate
n?=?20;???%?dimension?of?each?data
SNRdB?=?20;?%?level?of?noise?to?be?added
[param.TrueDictionary?D?x]?=?gererateSyntheticDictionaryAndData（N?param.L?n?param.K?SNRdB）;
?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%?initial?dictionary:?Dictionary?elements?%%%%%%%%
param.InitializationMethod?=??‘DataElements‘;

param.displayProgress?=?1;
disp（‘Starting?to??train?the?dictionary‘）;

[Dictionaryoutput]??=?KSVD（Dparam）;

disp（[‘The?KSVD?algorithm?retrived?‘num2str（output.ratio（end））‘?atoms?from?the?original?dictionary‘]）;

[Dictionaryoutput]??=?MOD（Dparam）;

disp（[‘The?MOD?algorithm?retrived?‘num2str（output.ratio（end））‘?atoms?from?the?original?dictionary‘]）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-03-15?19:28??k_svd\
?????文件????????1810??2011-02-13?22:59??k_svd\11.gif
?????文件??????185727??2005-09-11?15:43??k_svd\barbara.png
?????文件??????177762??2005-09-11?15:44??k_svd\boat.png
?????文件????????1907??2009-09-03?10:54??k_svd\demo1.m
?????文件????????3561??2006-12-12?09:13??k_svd\demo2.m
?????文件????????8504??2006-12-28?13:57??k_svd\demo3.m
?????文件????????5426??2007-01-24?07:53??k_svd\denoiseImageDCT.m
?????文件????????6046??2006-12-12?09:18??k_svd\denoiseImageGlobal.m
?????文件????????9715??2011-01-20?13:38??k_svd\denoiseImageKSVD.asv
?????文件????????9715??2011-01-20?13:40??k_svd\denoiseImageKSVD.m
?????文件????????3246??2007-01-25?08:39??k_svd\displayDictionaryElementsAsImage.asv
?????文件????????3224??2007-01-25?08:39??k_svd\displayDictionaryElementsAsImage.m
?????文件????????1896??2006-12-11?14:25??k_svd\gererateSyntheticDictionaryAndData.m
?????文件?????5749450??2005-09-21?08:35??k_svd\globalTrainedDictionary.mat
?????文件???????34985??2005-09-11?15:44??k_svd\house.png
?????文件???????13236??2011-03-15?19:23??k_svd\KSVD.asv
?????文件???????13237??2011-01-14?20:49??k_svd\KSVD.m
?????文件?????6256524??2011-01-13?11:40??k_svd\KSVD_Matlab_ToolBox.zip
?????文件???????11585??2006-12-28?14:02??k_svd\KSVD_NN.m
?????文件??????151199??2005-09-11?15:44??k_svd\lena.png
?????文件????????8053??2006-12-12?08:35??k_svd\MOD.m
?????文件????????1069??2011-01-13?21:02??k_svd\my_im2col.asv
?????文件????????1090??2011-01-13?21:03??k_svd\my_im2col.m
?????文件????????1105??2006-12-24?16:00??k_svd\NN_BP.m
?????文件????????1222??2011-01-14?20:44??k_svd\OMP.asv
?????文件????????1222??2011-01-14?20:49??k_svd\OMP.m
?????文件????????1083??2006-12-11?15:08??k_svd\OMPerr.m
?????文件???????40181??2002-08-29?17:48??k_svd\peppers256.png
?????文件????????4802??2006-12-28?14:11??k_svd\README.txt
?????文件?????????263??2011-03-15?19:33??k_svd\Untitled.asv
............此處省略1個文件信息