Merge pull request opencv#10435 from DabatoIsCool:master

alalek · web-flow · commit 73c2a1244965 · 2017-12-28T05:30:59.000+03:00
diff --git a/modules/core/src/pca.cpp b/modules/core/src/pca.cpp
@@ -239,6 +239,7 @@ PCA& PCA::operator()(InputArray _data, InputArray __mean, int flags, double reta
     {
         CV_Assert( _mean.size() == mean_sz );
         _mean.convertTo(mean, ctype);
+        covar_flags |= CV_COVAR_USE_AVG;
     }
 
     calcCovarMatrix( data, covar, mean, covar_flags, ctype );

Original file line number	Diff line number	Diff line change
`@@ -239,6 +239,7 @@ PCA& PCA::operator()(InputArray _data, InputArray __mean, int flags, double reta`
`239`	`239`	`{`
`240`	`240`	`CV_Assert( _mean.size() == mean_sz );`
`241`	`241`	`_mean.convertTo(mean, ctype);`
	`242`	`+ covar_flags \|= CV_COVAR_USE_AVG;`
`242`	`243`	`}`
`243`	`244`
`244`	`245`	`calcCovarMatrix( data, covar, mean, covar_flags, ctype );`