CvSURFPoint Constructor (CvPoint2D32f, Int32, Int32, Single, Single) OpenCvSharp Class Library
Constructor

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

public CvSURFPoint(
	CvPoint2D32f pt,
	int laplacian,
	int size,
	float dir,
	float hessian
)

Parameters

pt
Type: OpenCvSharpCvPoint2D32f
Position of the feature within the image
laplacian
Type: SystemInt32
-1, 0 or +1. sign of the laplacian at the point. can be used to speedup feature comparison (normally features with laplacians of different signs can not match)
size
Type: SystemInt32
size of the feature
dir
Type: SystemSingle
orientation of the feature: 0..360 degrees
hessian
Type: SystemSingle
value of the hessian (can be used to approximately estimate the feature strengths; see also params._hessianThreshold)
See Also

Reference