Class BackgroundSubtractorGMG

Background Subtractor module. Takes a series of images and returns a sequence of mask (8UC1) images of the same size, where 255 indicates Foreground and 0 represents Background.

Inheritance
System.Object
DisposableObject
DisposableCvObject
Algorithm
BackgroundSubtractor
BackgroundSubtractorGMG
Implements
Inherited Members
Namespace: OpenCvSharp
Assembly: OpenCvSharp.dll
Syntax
public class BackgroundSubtractorGMG : BackgroundSubtractor, ICvPtrHolder

Properties

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BackgroundPrior

Declaration
public double BackgroundPrior { get; set; }
Property Value
Type Description
System.Double
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DecisionThreshold

Declaration
public double DecisionThreshold { get; set; }
Property Value
Type Description
System.Double
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DefaultLearningRate

Declaration
public double DefaultLearningRate { get; set; }
Property Value
Type Description
System.Double
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MaxFeatures

Declaration
public int MaxFeatures { get; set; }
Property Value
Type Description
System.Int32
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MaxVal

Declaration
public double MaxVal { get; set; }
Property Value
Type Description
System.Double
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MinVal

Declaration
public double MinVal { get; set; }
Property Value
Type Description
System.Double
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NumFrames

Declaration
public int NumFrames { get; set; }
Property Value
Type Description
System.Int32
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QuantizationLevels

Declaration
public int QuantizationLevels { get; set; }
Property Value
Type Description
System.Int32
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SmoothingRadius

Declaration
public int SmoothingRadius { get; set; }
Property Value
Type Description
System.Int32
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UpdateBackgroundModel

Declaration
public bool UpdateBackgroundModel { get; set; }
Property Value
Type Description
System.Boolean

Methods

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Create(Int32, Double)

Creates a GMG Background Subtractor

Declaration
public static BackgroundSubtractorGMG Create(int initializationFrames = 120, double decisionThreshold = 0.8)
Parameters
Type Name Description
System.Int32 initializationFrames

number of frames used to initialize the background models.
System.Double decisionThreshold

Threshold value, above which it is marked foreground, else background.
Returns
Type Description
BackgroundSubtractorGMG
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DisposeManaged()

Releases managed resources

Declaration
protected override void DisposeManaged()
Overrides
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DisposeUnmanaged()

Declaration
protected override void DisposeUnmanaged()
Overrides
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Get()

Declaration
public override IntPtr Get()
Returns
Type Description
IntPtr

Implements