Property VLBackgroundSubtractor.TVLBackgroundSubtractor.ThresholdClose

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Revision as of 00:06, 11 June 2013

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Class: TVLBackgroundSubtractor

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

Syntax

Delphi:

property ThresholdClose : Single read FThresholdClose write SetThresholdClose default 9;

C++ Builder:

__property float ThresholdClose = { read=FThresholdClose, write=SetThresholdClose, default=9 };

Summary

The sample is close to the existing components threshold.

Description

Threshold on the squared Mahalan distance to decide when a sample is close to the existing components. If it is not close to any a new component will be generated. I use 3 sigma => ThresholdClose=3*3=9.

Smaller ThresholdClose leads to more generated components and higher ThresholdClose might make lead to small number of components but they can grow too large.