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Fixes bug #3071.

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If we have perfect matches (min_dist == 0.0), then strict comparison
fails. Making it non-strict results in treating perfect matches as
good.
This commit is contained in:
Sergei Nosov 2013-06-13 11:51:45 +04:00
parent 98f6a4a615
commit 982ef83f80
2 changed files with 2 additions and 5 deletions
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5
doc/tutorials/features2d/feature_flann_matcher/feature_flann_matcher.rst
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@ -85,7 +85,7 @@ This tutorial code's is shown lines below. You can also download it from `here <
std::vector< DMatch > good_matches; std::vector< DMatch > good_matches;
for( int i = 0; i < descriptors_1.rows; i++ ) for( int i = 0; i < descriptors_1.rows; i++ )
{ if( matches[i].distance < 2*min_dist ) { if( matches[i].distance <= 2*min_dist )
{ good_matches.push_back( matches[i]); } { good_matches.push_back( matches[i]); }
} }
@ -127,6 +127,3 @@ Result
.. image:: images/Feature_FlannMatcher_Keypoints_Result.jpg .. image:: images/Feature_FlannMatcher_Keypoints_Result.jpg
:align: center :align: center
:height: 250pt :height: 250pt

2
samples/cpp/tutorial_code/features2D/SURF_FlannMatcher.cpp
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@ -70,7 +70,7 @@ int main( int argc, char** argv )
std::vector< DMatch > good_matches; std::vector< DMatch > good_matches;
for( int i = 0; i < descriptors_1.rows; i++ ) for( int i = 0; i < descriptors_1.rows; i++ )
{ if( matches[i].distance < 2*min_dist ) { if( matches[i].distance <= 2*min_dist )
{ good_matches.push_back( matches[i]); } { good_matches.push_back( matches[i]); }
} }