CvSURFPointLaplacian Field OpenCvSharp Class Library
-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)

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

Field Value

Type: Int32
See Also

Reference

CvSURFPoint Structure
OpenCvSharp Namespace