The MCvSURFPoint 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
|