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

VladX · VladX · commit 617db6c4feac · 2017-07-24T18:42:41.000+03:00
diff --git 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 )

Original file line number	Diff line number	Diff line change
`@@ -729,6 +729,9 @@ Ptr< GPCTrainingSamples > GPCTrainingSamples::create( InputArrayOfArrays imagesF`
`729`	`729`
`730`	`730`	`void GPCDetails::dropOutliers( std::vector< std::pair< Point2i, Point2i > > &corr )`
`731`	`731`	`{`
	`732`	`+ if ( corr.size() == 0 )`
	`733`	`+ return;`
	`734`	`+`
`732`	`735`	`std::vector< float > mag( corr.size() );`
`733`	`736`
`734`	`737`	`for ( size_t i = 0; i < corr.size(); ++i )`