Class VLBackgroundSubtractor.TVLBackgroundSubtractor
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Package: VisionLabPkg
Unit: VLBackgroundSubtractor
Inherits: TVLCommonFilter
Contents |
Syntax
Delphi:
type TVLBackgroundSubtractor = class( TVLCommonFilter )
C++ Builder:
class TVLBackgroundSubtractor : public TVLCommonFilter
Visual C++ (MFC):
class CTVLBackgroundSubtractor : public CTVLCommonFilter
C# (.NET):
public ref class BackgroundSubtractor : Mitov.VisionLab.CommonFilter
Summary
Subtracts the background using statistical background model.
Description
Use this component to subtracts the background using statistical background model.
Diagram:
Example:
| Original Image: | Separation: |
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| Extracted Foreground: | Learned Background: |
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Properties
Published
- Alpha - Speed of update.
- ThresholdDescribed - Well described background threshold.
- ThresholdClose - The sample is close to the existing components threshold.
- ThresholdSignificant - Component is significant enough for background threshold.
- Sigma - Initial standard deviation.
- ShadowDetection - Specifies the shadow detection settings.
- BoostOnStart - Boost the training when staring.
- MaxModes - Max number of modes.
- ComplexityReductionPrior - Complexity reduction prior.
Methods
Public
- procedure BoostLearning() - Boosts the background learning.
Pins
- ForegroundOutputPin - The Foreground Video Output Pin of the player.
- BackgroundOutputPin - The Background Video Output Pin of the player.
- ShadowOutputPin - The Shadow Video Output Pin of the player.
From TVLCommonFilter
Properties
Public
Methods
Public
- procedure ProcessFrame(Image : IVLImageBuffer)
- procedure ProcessFrame(InImage : IVLImageBuffer; var OutImage : IVLImageBuffer)
- procedure ProcessBitmap(InBitmap : TBitmap; OutBitmap : TBitmap)
