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資源簡介

CSP共空間模式的matlab代碼實(shí)現(xiàn),自己編寫的CSP函數(shù),測試好用,分享給初學(xué)者

資源截圖

代碼片段和文件信息

function?W?=?csp(XY)

%?Common?spatial?patterns?for?spatial?filtering
%
%?X:?EEG?data?of?class?1?(channel?x?sample?point?x?trial)
%?Y:?EEG?data?of?class?2?(channel?x?sample?point?x?trial)
%?W:?the?colunms?of?projection?matrix?W?are?the?spatial?filters
%?d:?eigenvalues
%
%?yuzhang?2013.12.16?ECUST?China
%

%%?Compute?covariance?matrix?for?two?classes
Cx?=?zeros(size(X1)size(X1));
Cy?=?zeros(size(Y1)size(Y1));
for?i?=?1:size(X3)
????Cx?=?Cx?+?cov(X(::i)‘);
end
for?i?=?1:size(Y3)
????Cy?=?Cy?+?cov(Y(::i)‘);
end
Cx?=?Cx/size(X3);?????%?covariance?matrix?averaged?on?all?trials
Cy?=?Cy/size(Y3);
C=Cx+Cy;


%%?Solve?CSP+FC?joint?spatial?filtering
%[eigvec_Ceigval_C]=eig(C);
%P=eigval_C^(-0.5)*eigvec_C‘;
%S1=P*Cx*P‘;
%[Veigval_S1]=eig(S1);
%[sort_v

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1019??2020-09-20?05:42??csp.m

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