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    文件類型: .rar
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    發布日期: 2021-02-12
  • 語言: Matlab
  • 標簽: 稀疏字典??KSVD??

資源簡介

稀疏表示中字典學習算法KSVD的實現,可以得到冗余字典,代碼內部有詳細注釋

資源截圖

代碼片段和文件信息

%?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?=?4;???%?number?of?elements?in?each?linear?co

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2348??2013-09-27?20:07??稀疏表示工具箱\demo1.m

?????文件???????1896??2009-12-03?07:43??稀疏表示工具箱\gererateSyntheticDictionaryAndData.m

?????文件??????12292??2009-12-03?08:02??稀疏表示工具箱\KSVD.m

?????文件????????954??2007-04-29?10:17??稀疏表示工具箱\OMP.m

?????目錄??????????0??2013-09-27?22:45??稀疏表示工具箱

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

????????????????17490????????????????????5


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