From da208216ee660b9eb66f75f2005ccb16dd0f6c33 Mon Sep 17 00:00:00 2001
From: berak <px1704@web.de>
Date: Thu, 31 Aug 2017 17:24:02 +0200
Subject: [PATCH] features2d: fix BFMatcher.radiusMatch with HAMMING2

---
 modules/features2d/src/matchers.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/features2d/src/matchers.cpp b/modules/features2d/src/matchers.cpp
index 4e9a7b417c..7600323524 100644
--- a/modules/features2d/src/matchers.cpp
+++ b/modules/features2d/src/matchers.cpp
@@ -958,7 +958,7 @@ void BFMatcher::radiusMatchImpl( InputArray _queryDescriptors, std::vector<std::
     Mat dist, distf;
 
     int iIdx, imgCount = (int)trainDescCollection.size();
-    int dtype = normType == NORM_HAMMING ||
+    int dtype = normType == NORM_HAMMING || normType == NORM_HAMMING2 ||
         (normType == NORM_L1 && queryDescriptors.type() == CV_8U) ? CV_32S : CV_32F;
 
     for( iIdx = 0; iIdx < imgCount; iIdx++ )