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