Package org.opencv.core

Class KeyPoint

  • public class KeyPoint
extends java.lang.Object

    • Field Summary

      Fields 
      Modifier and Type Field Description
      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

      Constructors 
      Constructor Description
      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

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Field Detail

      • pt

        public Point pt
        Coordinates of the keypoint.

      • size

        public float size
        Diameter of the useful keypoint adjacent area.

      • angle

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

      • response

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

      • octave

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

      • class_id

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

    • Constructor Detail

      • KeyPoint

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

      • KeyPoint

        public KeyPoint()

      • 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)

      • KeyPoint

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

      • KeyPoint

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

    • Method Detail

      • toString

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