Fixed bug inside GPCDetails::dropOutliers(); fixes opencv/opencv#9220

617db6c4 · Vladislav Samsonov · 9638b145 · 617db6c4
Commit 617db6c4 authored Jul 24, 2017 by Vladislav Samsonov
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sparse_matching_gpc.cpp modules/optflow/src/sparse_matching_gpc.cpp +3 -0

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--- a/modules/optflow/src/sparse_matching_gpc.cpp
+++ b/modules/optflow/src/sparse_matching_gpc.cpp
@@ -729,6 +729,9 @@ Ptr< GPCTrainingSamples > GPCTrainingSamples::create( InputArrayOfArrays imagesF

 void GPCDetails::dropOutliers( std::vector< std::pair< Point2i, Point2i > > &corr )
 {
+  if ( corr.size() == 0 )
+      return;
+
  std::vector< float > mag( corr.size() );

  for ( size_t i = 0; i < corr.size(); ++i )