The CvSURFPoint type exposes the following members.
Fields
| Name | Description | |
|---|---|---|
 | Dir |
orientation of the feature: 0..360 degrees
|
| Hessian |
value of the hessian (can be used to approximately estimate the feature strengths;
see also params._hessianThreshold)
|
| Laplacian |
-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)
|
| Pt |
Position of the feature within the image
|
| Size |
size of the feature
|
See Also