OpenCV
4.7.0dev
Open Source Computer Vision

Elliptic region around an interest point. More...
#include <opencv2/xfeatures2d.hpp>
Public Member Functions  
Elliptic_KeyPoint ()  
Elliptic_KeyPoint (Point2f pt, float angle, Size axes, float size, float si)  
virtual  ~Elliptic_KeyPoint () 
Public Member Functions inherited from cv::KeyPoint  
KeyPoint ()  
the default constructor More...  
KeyPoint (Point2f pt, float size, float angle=1, float response=0, int octave=0, int class_id=1)  
KeyPoint (float x, float y, float size, float angle=1, float response=0, int octave=0, int class_id=1)  
size_t  hash () const 
Public Attributes  
Size_< float >  axes 
the lengths of the major and minor ellipse axes More...  
float  si 
the integration scale at which the parameters were estimated More...  
Matx23f  transf 
the transformation between image space and local patch space More...  
Public Attributes inherited from cv::KeyPoint  
float  angle 
int  class_id 
object class (if the keypoints need to be clustered by an object they belong to) More...  
int  octave 
octave (pyramid layer) from which the keypoint has been extracted More...  
Point2f  pt 
coordinates of the keypoints More...  
float  response 
the response by which the most strong keypoints have been selected. Can be used for the further sorting or subsampling More...  
float  size 
diameter of the meaningful keypoint neighborhood More...  
Additional Inherited Members  
Static Public Member Functions inherited from cv::KeyPoint  
static void  convert (const std::vector< KeyPoint > &keypoints, std::vector< Point2f > &points2f, const std::vector< int > &keypointIndexes=std::vector< int >()) 
static void  convert (const std::vector< Point2f > &points2f, std::vector< KeyPoint > &keypoints, float size=1, float response=1, int octave=0, int class_id=1) 
static float  overlap (const KeyPoint &kp1, const KeyPoint &kp2) 
Elliptic region around an interest point.
cv::xfeatures2d::Elliptic_KeyPoint::Elliptic_KeyPoint  (  ) 
cv::xfeatures2d::Elliptic_KeyPoint::Elliptic_KeyPoint  (  Point2f  pt, 
float  angle,  
Size  axes,  
float  size,  
float  si  
) 

virtual 
Size_<float> cv::xfeatures2d::Elliptic_KeyPoint::axes 
the lengths of the major and minor ellipse axes
float cv::xfeatures2d::Elliptic_KeyPoint::si 
the integration scale at which the parameters were estimated
Matx23f cv::xfeatures2d::Elliptic_KeyPoint::transf 
the transformation between image space and local patch space