Property VLBackgroundSubtractor.TVLShadowDetection.ShadowThreshold

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Latest revision as of 00:11, 26 June 2013

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Class: TVLShadowDetection

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

Syntax

Delphi:

property ShadowThreshold : Single read FShadowThreshold write SetShadowThreshold default 0.5;

C++ Builder:

__property float ShadowThreshold = { read=FShadowThreshold, write=SetShadowThreshold, default=0.5 };

Summary

Shadow threshold for the detection.

Description

The shadow is detected if the pixel is darker version of the background. Tau is a threshold on how much darker the shadow can be.

ShadowThreshold= 0.5 means that if pixel is more than 2 times darker then it is not shadow

See: Prati,Mikic,Trivedi,Cucchiarra,"Detecting Moving Shadows...",IEEE PAMI,2003.