KeyPoint Constructor (CvPoint2D32f, Single, Single, Single, Int32, Int32) OpenCvSharp Class Library
Complete constructor

Namespace:  OpenCvSharp.CPlusPlus
Assembly:  OpenCvSharp.CPlusPlus (in OpenCvSharp.CPlusPlus.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax

public KeyPoint(
	CvPoint2D32f pt,
	float size,
	float angle = -1f,
	float response = 0f,
	int octave = 0,
	int class_id = -1
)

Parameters

pt
Type: OpenCvSharpCvPoint2D32f
Coordinate of the point
size
Type: SystemSingle
Feature size
angle (Optional)
Type: SystemSingle
Feature orientation in degrees (has negative value if the orientation is not defined/not computed)
response (Optional)
Type: SystemSingle
Feature strength (can be used to select only the most prominent key points)
octave (Optional)
Type: SystemInt32
Scale-space octave in which the feature has been found; may correlate with the size
class_id (Optional)
Type: SystemInt32
Point class (can be used by feature classifiers or object detectors)
See Also

Reference