OpenCV 3.0.0

org.opencv.core
Class KeyPoint

java.lang.Object
  extended by org.opencv.core.KeyPoint

public class KeyPoint
extends java.lang.Object


Field Summary
 float angle
          Computed orientation of the keypoint (-1 if not applicable).
 int class_id
          Object ID, that can be used to cluster keypoints by an object they belong to.
 int octave
          Octave (pyramid layer), from which the keypoint has been extracted.
 Point pt
          Coordinates of the keypoint.
 float response
          The response, by which the strongest keypoints have been selected.
 float size
          Diameter of the useful keypoint adjacent area.
 
Constructor Summary
KeyPoint()
           
KeyPoint(float x, float y, float _size)
           
KeyPoint(float x, float y, float _size, float _angle)
           
KeyPoint(float x, float y, float _size, float _angle, float _response)
           
KeyPoint(float x, float y, float _size, float _angle, float _response, int _octave)
           
KeyPoint(float x, float y, float _size, float _angle, float _response, int _octave, int _class_id)
           
 
Method Summary
 java.lang.String toString()
           
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

angle

public float angle
Computed orientation of the keypoint (-1 if not applicable).


class_id

public int class_id
Object ID, that can be used to cluster keypoints by an object they belong to.


octave

public int octave
Octave (pyramid layer), from which the keypoint has been extracted.


pt

public Point pt
Coordinates of the keypoint.


response

public float response
The response, by which the strongest keypoints have been selected. Can be used for further sorting or subsampling.


size

public float size
Diameter of the useful keypoint adjacent area.

Constructor Detail

KeyPoint

public KeyPoint()

KeyPoint

public KeyPoint(float x,
                float y,
                float _size)

KeyPoint

public KeyPoint(float x,
                float y,
                float _size,
                float _angle)

KeyPoint

public KeyPoint(float x,
                float y,
                float _size,
                float _angle,
                float _response)

KeyPoint

public KeyPoint(float x,
                float y,
                float _size,
                float _angle,
                float _response,
                int _octave)

KeyPoint

public KeyPoint(float x,
                float y,
                float _size,
                float _angle,
                float _response,
                int _octave,
                int _class_id)
Method Detail

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object

OpenCV 3.0.0 Documentation