Property VLExtractRobustFeatures.TVLRobustFeature.Laplacian

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Class: TVLRobustFeature

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 2 Summary 3 Description

Syntax

Delphi:

property Laplacian : Integer read FLaplacian;

C++ Builder:

__property int Laplacian = { read=FLaplacian };

Summary

Returns the sign of the laplacian at the center point.

Description

Use this property to get the sign of the laplacian ( -1, 0 or +1 ) at the center point.

Can be used to speedup feature comparison (normally features with laplacians of different signs can not match).