Package org.opencv.core
Class KeyPoint
- java.lang.Object
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- org.opencv.core.KeyPoint
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public class KeyPoint extends Object
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Field Summary
Fields Modifier and Type Field Description floatangleComputed orientation of the keypoint (-1 if not applicable).intclass_idObject ID, that can be used to cluster keypoints by an object they belong to.intoctaveOctave (pyramid layer), from which the keypoint has been extracted.PointptCoordinates of the keypoint.floatresponseThe response, by which the strongest keypoints have been selected.floatsizeDiameter of the useful keypoint adjacent area.
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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)
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Field Detail
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pt
public Point pt
Coordinates of the keypoint.
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size
public float size
Diameter of the useful keypoint adjacent area.
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angle
public float angle
Computed orientation of the keypoint (-1 if not applicable).
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response
public float response
The response, by which the strongest keypoints have been selected. Can be used for further sorting or subsampling.
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octave
public int octave
Octave (pyramid layer), from which the keypoint has been extracted.
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class_id
public int class_id
Object ID, that can be used to cluster keypoints by an object they belong to.
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Constructor Detail
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KeyPoint
public KeyPoint(float x, float y, float _size, float _angle, float _response, int _octave, int _class_id)
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KeyPoint
public KeyPoint()
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KeyPoint
public KeyPoint(float x, float y, float _size, float _angle, float _response, int _octave)
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KeyPoint
public KeyPoint(float x, float y, float _size, float _angle, float _response)
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KeyPoint
public KeyPoint(float x, float y, float _size, float _angle)
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KeyPoint
public KeyPoint(float x, float y, float _size)
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