%?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
-----------?---------??----------?-----??----

?????文件?????185727??2005-09-11?15:43??KSVD_Matlab_ToolBox\barbara.png

?????文件?????177762??2005-09-11?15:44??KSVD_Matlab_ToolBox\boat.png

?????文件???????1907??2009-09-03?10:54??KSVD_Matlab_ToolBox\demo1.m

?????文件???????3561??2006-12-12?09:13??KSVD_Matlab_ToolBox\demo2.m

?????文件???????8504??2006-12-28?13:57??KSVD_Matlab_ToolBox\demo3.m

?????文件???????5426??2007-01-24?07:53??KSVD_Matlab_ToolBox\denoiseImageDCT.m

?????文件???????6046??2006-12-12?09:18??KSVD_Matlab_ToolBox\denoiseImageGlobal.m

?????文件???????9088??2007-01-24?07:53??KSVD_Matlab_ToolBox\denoiseImageKSVD.m

?????文件???????3246??2007-01-25?08:39??KSVD_Matlab_ToolBox\displayDictionaryElementsAsImage.asv

?????文件???????3224??2007-01-25?08:39??KSVD_Matlab_ToolBox\displayDictionaryElementsAsImage.m

?????文件???????1896??2006-12-11?14:25??KSVD_Matlab_ToolBox\gererateSyntheticDictionaryAndData.m

?????文件????5749450??2005-09-21?08:35??KSVD_Matlab_ToolBox\globalTrainedDictionary.mat

?????文件??????34985??2005-09-11?15:44??KSVD_Matlab_ToolBox\house.png

?????文件??????12292??2009-09-03?10:54??KSVD_Matlab_ToolBox\KSVD.m

?????文件??????11585??2006-12-28?14:02??KSVD_Matlab_ToolBox\KSVD_NN.m

?????文件?????151199??2005-09-11?15:44??KSVD_Matlab_ToolBox\lena.png

?????文件???????8053??2006-12-12?08:35??KSVD_Matlab_ToolBox\MOD.m

?????文件????????631??2006-12-11?09:56??KSVD_Matlab_ToolBox\my_im2col.m

?????文件???????1105??2006-12-24?16:00??KSVD_Matlab_ToolBox\NN_BP.m

?????文件????????954??2007-04-29?10:17??KSVD_Matlab_ToolBox\OMP.m

?????文件???????1083??2006-12-11?15:08??KSVD_Matlab_ToolBox\OMPerr.m

?????文件??????40181??2002-08-29?17:48??KSVD_Matlab_ToolBox\peppers256.png

?????文件???????4802??2006-12-28?14:11??KSVD_Matlab_ToolBox\README.txt

?????目錄??????????0??2010-09-30?21:34??KSVD_Matlab_ToolBox

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

??????????????6422707????????????????????24