Class BackgroundSubtractor

The Base Class for Background/Foreground Segmentation. The class is only used to define the common interface for the whole family of background/foreground segmentation algorithms.

Inheritance

System.Object

DisposableObject

DisposableCvObject

Algorithm

BackgroundSubtractor

BackgroundSubtractorGMG

BackgroundSubtractorKNN

BackgroundSubtractorMOG

BackgroundSubtractorMOG2

Implements

ICvPtrHolder

Inherited Members

Algorithm.Write(FileStorage)

Algorithm.Read(FileNode)

Algorithm.Empty

Algorithm.Save(String)

Algorithm.GetDefaultName()

DisposableCvObject.ptr

DisposableCvObject.DisposeUnmanaged()

DisposableCvObject.CvPtr

DisposableObject.DataHandle

DisposableObject.IsDisposed

DisposableObject.IsEnabledDispose

DisposableObject.AllocatedMemory

DisposableObject.AllocatedMemorySize

DisposableObject.Dispose()

DisposableObject.Dispose(Boolean)

DisposableObject.DisposeManaged()

DisposableObject.AllocGCHandle(Object)

DisposableObject.AllocMemory(Int32)

DisposableObject.NotifyMemoryPressure(Int64)

DisposableObject.ThrowIfDisposed()

Namespace: OpenCvSharp

Assembly: OpenCvSharp.dll

Syntax

public abstract class BackgroundSubtractor : Algorithm, ICvPtrHolder

Methods

Apply(InputArray, OutputArray, Double)

the update operator that takes the next video frame and returns the current foreground mask as 8-bit binary image.

Declaration

public virtual void Apply(InputArray image, OutputArray fgmask, double learningRate = -1)

Parameters

Type	Name	Description
InputArray	image
OutputArray	fgmask
System.Double	learningRate

GetBackgroundImage(OutputArray)

computes a background image

Declaration

public virtual void GetBackgroundImage(OutputArray backgroundImage)

Parameters

Type	Name	Description
OutputArray	backgroundImage

Implements

ICvPtrHolder