fixed bug in knnMatch method

de93fdb1 · Alexander Shishkov · 9702b5ef · de93fdb1
Commit de93fdb1 authored Apr 29, 2011 by Alexander Shishkov
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matchers.cpp modules/features2d/src/matchers.cpp +1 -1

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--- a/modules/features2d/src/matchers.cpp
+++ b/modules/features2d/src/matchers.cpp
@@ -264,7 +264,7 @@ void DescriptorMatcher::checkMasks( const vector<Mat>& masks, int queryDescripto
 void DescriptorMatcher::knnMatch( const Mat& queryDescriptors, vector<vector<DMatch> >& matches, int knn,
                                  const vector<Mat>& masks, bool compactResult )
 {
-	matches.empty();
+        matches.clear();
 	if( empty() || queryDescriptors.empty() )
 		return;