Package org.opencv.core
Class KeyPoint
java.lang.Object
org.opencv.core.KeyPoint
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Field Summary
FieldsModifier and TypeFieldDescriptionfloat
Computed orientation of the keypoint (-1 if not applicable).int
Object ID, that can be used to cluster keypoints by an object they belong to.int
Octave (pyramid layer), from which the keypoint has been extracted.Coordinates of the keypoint.float
The response, by which the strongest keypoints have been selected.float
Diameter of the useful keypoint adjacent area. -
Constructor Summary
ConstructorsConstructorDescriptionKeyPoint()
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
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Field Details
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pt
Coordinates of the keypoint. -
size
public float sizeDiameter of the useful keypoint adjacent area. -
angle
public float angleComputed orientation of the keypoint (-1 if not applicable). -
response
public float responseThe response, by which the strongest keypoints have been selected. Can be used for further sorting or subsampling. -
octave
public int octaveOctave (pyramid layer), from which the keypoint has been extracted. -
class_id
public int class_idObject ID, that can be used to cluster keypoints by an object they belong to.
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Constructor Details
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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)
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Method Details