From 0157ff0bc310f45096f774f8008013a104bc3a72 Mon Sep 17 00:00:00 2001
From: Kangning Song <sunskn@163.com>
Date: Sun, 23 Dec 2018 11:29:42 +0800
Subject: [PATCH] fix initial values bug

---
 modules/stitching/src/matchers.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/stitching/src/matchers.cpp b/modules/stitching/src/matchers.cpp
index 29ce8e4836..2a08b8ff8b 100644
--- a/modules/stitching/src/matchers.cpp
+++ b/modules/stitching/src/matchers.cpp
@@ -543,6 +543,7 @@ void FeaturesMatcher::operator ()(const vector<ImageFeatures> &features, vector<
             if (features[i].keypoints.size() > 0 && features[j].keypoints.size() > 0 && mask_(i, j))
                 near_pairs.push_back(make_pair(i, j));
 
+    pairwise_matches.clear(); // clear history values
     pairwise_matches.resize(num_images * num_images);
     MatchPairsBody body(*this, features, pairwise_matches, near_pairs);