Class VLCanny.TVLCanny

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Revision as of 02:45, 11 June 2013

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Package: VisionLabPkg

Unit: VLCanny

Inherits: TVLCommonROIFilter

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 TVLCommonROIFilter 6 Properties 6.1 Published 7 From TVLCommonFilter 8 Properties 8.1 Public 9 Methods 9.1 Public 10 Pins 11 From TSLBasicThreadedEnableFilter 12 Properties 12.1 Published 13 From TSLBasicThreadedFilter 14 Properties 14.1 Published

Syntax

Delphi:

type TVLCanny = class( TVLCommonROIFilter )

C++ Builder:

class TVLCanny : public TVLCommonROIFilter

Visual C++ (MFC):

class CTVLCanny : public CTVLCommonROIFilter

C# (.NET):

public ref class TVLCanny : Mitov.VisionLab.CommonROIFilter

Summary

Canny edge detection.

Description

Use this component to perform Canny algorithm for edge detection.

Diagram:

Example:

Original Image:	Canny LowThreshold := 70;
HighThreshold := 90 :

Properties

Published

• LowThreshold - Lower threshold for edges detection.
• HighThreshold - Upper threshold for edges detection.

From TVLCommonROIFilter

Properties

Published

• WorkArea

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