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fixed pca bug for fixed mean input

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This commit is contained in:
Bo Li 2013-05-09 15:20:00 +08:00
parent 2aa5f1bfd1
commit 81779d8287
1 changed files with 2 additions and 1 deletions
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3
modules/core/src/matmul.cpp
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@ -2855,8 +2855,9 @@ PCA& PCA::operator()(InputArray _data, InputArray __mean, int flags, int maxComp
if( _mean.data ) if( _mean.data )
{ {
CV_Assert( _mean.size() == mean_sz ); CV_Assert( _mean.size() == mean_sz );
_mean.convertTo(mean, ctype); _mean.convertTo(mean, ctype);
covar_flags |= CV_COVAR_USE_AVG;
} }
calcCovarMatrix( data, covar, mean, covar_flags, ctype ); calcCovarMatrix( data, covar, mean, covar_flags, ctype );