Class VLAdaptiveThreshold.TVLAdaptiveThreshold

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Package: VisionLabPkg

Unit: VLAdaptiveThreshold

Inherits: TVLCommonFilter

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 1.4 C# (.NET): 2 Summary 3 Description 4 Properties 4.1 Published 5 From TVLCommonFilter 6 Properties 6.1 Public 7 Methods 7.1 Public 8 Pins 9 From TSLBasicThreadedEnableFilter 10 Properties 10.1 Published 11 From TSLBasicThreadedFilter 12 Properties 12.1 Published

Syntax

Delphi:

type TVLAdaptiveThreshold = class( TVLCommonFilter )

C++ Builder:

class TVLAdaptiveThreshold : public TVLCommonFilter

Visual C++ (MFC):

class CTVLAdaptiveThreshold : public CTVLCommonFilter

C# (.NET):

public ref class TVLAdaptiveThreshold : Mitov.VisionLab.CommonFilter

Summary

Adaptive threshold edge detection.

Description

Use this component to perform Adaptive threshold algorithm for edge detection.

Diagram:

Example:

Original Image:	BlockSize := 3; Subtract := 7 :

Properties

Published

• BlockSize - Size of the matrix block for the adaptive threshold
• Subtract - Value subtracted from mean or weighted mean.
• Inversed - Inverse the output.
• ThresholdType - The threshold type.

From TVLCommonFilter

Properties

Public

• InputVideoFormat

Methods

Public

• procedure ProcessFrame(Image : IVLImageBuffer)
• procedure ProcessFrame(InImage : IVLImageBuffer; var OutImage : IVLImageBuffer)
• procedure ProcessBitmap(InBitmap : TBitmap; OutBitmap : TBitmap)

Pins

• OutputPin
• InputPin

From TSLBasicThreadedEnableFilter

Properties

Published

• Enabled

From TSLBasicThreadedFilter

Properties

Published

• Threading