From 608fab60fdd6291ecad13b7cf2bb19426d69baae Mon Sep 17 00:00:00 2001
From: Anna Kogan <anna.kogan@itseez.com>
Date: Tue, 22 Jan 2013 18:05:18 +0400
Subject: [PATCH] Added cleanup of keypoints vector

---
 modules/nonfree/src/surf.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/nonfree/src/surf.cpp b/modules/nonfree/src/surf.cpp
index 9e6ce54..9a4cd28 100644
--- a/modules/nonfree/src/surf.cpp
+++ b/modules/nonfree/src/surf.cpp
@@ -482,6 +482,8 @@ static void fastHessianDetector( const Mat& sum, const Mat& mask_sum, vector<Key
     vector<int> sampleSteps(nTotalLayers);
     vector<int> middleIndices(nMiddleLayers);
 
+    keypoints.clear();
+
     // Allocate space and calculate properties of each layer
     int index = 0, middleIndex = 0, step = SAMPLE_STEP0;
 
-- 
2.7.4