fixed pca bug for fixed mean input

81779d82 · Bo Li · 2aa5f1bf · 81779d82
Commit 81779d82 authored May 09, 2013 by Bo Li
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matmul.cpp modules/core/src/matmul.cpp +2 -1

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--- a/modules/core/src/matmul.cpp
+++ b/modules/core/src/matmul.cpp
@@ -2855,8 +2855,9 @@ PCA& PCA::operator()(InputArray _data, InputArray __mean, int flags, int maxComp

    if( _mean.data )
    {
-        CV_Assert( _mean.size() == mean_sz );
+        CV_Assert( _mean.size() == mean_sz );        
        _mean.convertTo(mean, ctype);
+        covar_flags |= CV_COVAR_USE_AVG; 
    }

    calcCovarMatrix( data, covar, mean, covar_flags, ctype );