From 6219b5dfba90c7f8fd4f83c5686c6e455ce84c73 Mon Sep 17 00:00:00 2001
From: Alex Tomala <actomala@uwaterloo.ca>
Date: Sat, 11 Jul 2015 15:12:19 -0400
Subject: [PATCH] Fixed bug in LSDDetector where mask doesn't remove all
 undesired lines

---
 modules/line_descriptor/src/LSDDetector.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/line_descriptor/src/LSDDetector.cpp b/modules/line_descriptor/src/LSDDetector.cpp
index eff184d0f..e5e30a738 100644
--- a/modules/line_descriptor/src/LSDDetector.cpp
+++ b/modules/line_descriptor/src/LSDDetector.cpp
@@ -203,7 +203,10 @@ void LSDDetector::detectImpl( const Mat& imageSrc, std::vector<KeyLine>& keyline
     {
       KeyLine kl = keylines[keyCounter];
       if( mask.at<uchar>( (int) kl.startPointY, (int) kl.startPointX ) == 0 && mask.at<uchar>( (int) kl.endPointY, (int) kl.endPointX ) == 0 )
+      {
         keylines.erase( keylines.begin() + keyCounter );
+        keyCounter--;
+      }
     }
   }