Merge pull request opencv#10024 from iago-suarez:bugfix-lsd-multiple-imgs-issue#10023

vpisarev · vpisarev · commit 4781f0a3377e · 2017-12-06T09:01:37.000Z
diff --git a/modules/imgproc/src/lsd.cpp b/modules/imgproc/src/lsd.cpp
@@ -430,6 +430,9 @@ void LineSegmentDetectorImpl::detect(InputArray _image, OutputArray _lines,
     if(w_needed) Mat(w).copyTo(_width);
     if(p_needed) Mat(p).copyTo(_prec);
     if(n_needed) Mat(n).copyTo(_nfa);
+
+    // Clear used structures
+    list.clear();
 }
 
 void LineSegmentDetectorImpl::flsd(std::vector<Vec4f>& lines,

Original file line number	Diff line number	Diff line change
`@@ -430,6 +430,9 @@ void LineSegmentDetectorImpl::detect(InputArray _image, OutputArray _lines,`
`430`	`430`	`if(w_needed) Mat(w).copyTo(_width);`
`431`	`431`	`if(p_needed) Mat(p).copyTo(_prec);`
`432`	`432`	`if(n_needed) Mat(n).copyTo(_nfa);`
	`433`	`+`
	`434`	`+ // Clear used structures`
	`435`	`+ list.clear();`
`433`	`436`	`}`
`434`	`437`
`435`	`438`	`void LineSegmentDetectorImpl::flsd(std::vector<Vec4f>& lines,`