OpenCV  4.1.1-pre
Open Source Computer Vision
Public Member Functions | Public Attributes | List of all members
cv::xfeatures2d::Elliptic_KeyPoint Class Reference

Elliptic region around an interest point. More...

#include <opencv2/xfeatures2d.hpp>

Inheritance diagram for cv::xfeatures2d::Elliptic_KeyPoint:
cv::KeyPoint

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)
 

Detailed Description

Elliptic region around an interest point.

Constructor & Destructor Documentation

§ Elliptic_KeyPoint() [1/2]

cv::xfeatures2d::Elliptic_KeyPoint::Elliptic_KeyPoint ( )

§ Elliptic_KeyPoint() [2/2]

cv::xfeatures2d::Elliptic_KeyPoint::Elliptic_KeyPoint ( Point2f  pt,
float  angle,
Size  axes,
float  size,
float  si 
)

§ ~Elliptic_KeyPoint()

virtual cv::xfeatures2d::Elliptic_KeyPoint::~Elliptic_KeyPoint ( )
virtual

Member Data Documentation

§ axes

Size_<float> cv::xfeatures2d::Elliptic_KeyPoint::axes

the lengths of the major and minor ellipse axes

§ si

float cv::xfeatures2d::Elliptic_KeyPoint::si

the integration scale at which the parameters were estimated

§ transf

Matx23f cv::xfeatures2d::Elliptic_KeyPoint::transf

the transformation between image space and local patch space


The documentation for this class was generated from the following file: