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filtered MSER keypoints that have centers out of image

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This commit is contained in:
Maria Dimashova 2012-07-12 17:51:12 +00:00
parent 3df72fe669
commit 017895dd93
2 changed files with 5 additions and 3 deletions
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4
modules/features2d/include/opencv2/features2d/features2d.hpp
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@ -114,7 +114,7 @@ CV_EXPORTS void read(const FileNode& node, CV_OUT vector<KeyPoint>& keypoints);
/*
* A class filters a vector of keypoints.
* Because now it is difficult to provide a convenient interface for all usage scenarios of the keypoints filter class,
* it has only 4 needed by now static methods.
* it has only several needed by now static methods.
*/
class CV_EXPORTS KeyPointsFilter
{
@ -142,7 +142,7 @@ public:
/*
* Retain the specified number of the best keypoints (according to the response)
*/
static void retainBest(vector<KeyPoint>& keypoints, int npoints);
static void retainBest( vector<KeyPoint>& keypoints, int npoints );
};

4
modules/features2d/src/mser.cpp
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@ -1288,15 +1288,17 @@ void MserFeatureDetector::detectImpl( const Mat& image, vector<KeyPoint>& keypoi
(*this)(image, msers, mask);
vector<vector<Point> >::const_iterator contour_it = msers.begin();
Rect r(0, 0, image.cols, image.rows);
for( ; contour_it != msers.end(); ++contour_it )
{
// TODO check transformation from MSER region to KeyPoint
RotatedRect rect = fitEllipse(Mat(*contour_it));
float diam = sqrt(rect.size.height*rect.size.width);
if( diam > std::numeric_limits<float>::epsilon() )
if( diam > std::numeric_limits<float>::epsilon() && r.contains(rect.center) )
keypoints.push_back( KeyPoint( rect.center, diam, rect.angle) );
}
}
}