From 16e20e5c73d2ab6ba26fea315c7f96bd1efa6daa Mon Sep 17 00:00:00 2001
From: laurentBerger <laurent.berger@univ-lemans.fr>
Date: Sat, 9 May 2015 10:29:53 +0200
Subject: [PATCH] An another improvement?

---
 samples/cpp/matchmethod_orb_akaze_brisk.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/samples/cpp/matchmethod_orb_akaze_brisk.cpp b/samples/cpp/matchmethod_orb_akaze_brisk.cpp
index 7b595b50bf..4e3884d690 100644
--- a/samples/cpp/matchmethod_orb_akaze_brisk.cpp
+++ b/samples/cpp/matchmethod_orb_akaze_brisk.cpp
@@ -97,12 +97,18 @@ int main(int argc, char *argv[])
             // Match method loop
             for (itMatcher = typeAlgoMatch.begin(); itMatcher != typeAlgoMatch.end(); itMatcher++){
                 descriptorMatcher = DescriptorMatcher::create(*itMatcher);
-                if ((*itMatcher == "BruteForce-Hamming" || *itMatcher == "BruteForce-Hamming(2)") && (b->descriptorType() == CV_32F || b->defaultNorm() <= NORM_L2SQR) )
+                if ((*itMatcher == "BruteForce-Hamming" || *itMatcher == "BruteForce-Hamming(2)") && (b->descriptorType() == CV_32F || b->defaultNorm() <= NORM_L2SQR))
                 {
                     cout << "**************************************************************************\n";
                     cout << "It's strange. You should use Hamming distance only for a binary descriptor\n";
                     cout << "**************************************************************************\n";
                 }
+                if ((*itMatcher == "BruteForce" || *itMatcher == "BruteForce-L1") && (b->defaultNorm() >= NORM_HAMMING))
+                {
+                    cout << "**************************************************************************\n";
+                    cout << "It's strange. You shouldn't use L1 or L2 distance for a binary descriptor\n";
+                    cout << "**************************************************************************\n";
+                }
                 try
                 {
                     descriptorMatcher->match(descImg1, descImg2, matches, Mat());