The EdgeDetectorActivity Class is available in LEADTOOLS Document and Medical Imaging toolkits.
Applies the specified edge filter to an image. This activity is available in the Document Toolkits.![](dotnetdiagramimages/Leadtools_Workflow_ImageProcessing_Leadtools_Workflow_ImageProcessing_EdgeDetectorActivity.png)
Visual Basic (Declaration) | |
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Public Class EdgeDetectorActivity Inherits ImageProcessingBaseActivity Implements IComponent, IDisposable |
Visual Basic (Usage) | ![]() |
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Dim instance As EdgeDetectorActivity |
C# | |
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public class EdgeDetectorActivity : ImageProcessingBaseActivity, IComponent, IDisposable |
C++/CLI | |
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public ref class EdgeDetectorActivity : public ImageProcessingBaseActivity, IComponent, IDisposable |
- Filters such as the Sobel filter, Prewitt filter, Laplacian filter, and Gradient filter are used to determine which pixels belong to the edges in the image.
- The threshold range for 16, 48, and 64-bit images is from 0 to 65535 and for 12-bit images from 0 to 4095. Otherwise, it is from 0 to 255. The threshold is applied on channels separately.
- This activity supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
- This activity does not support 32-bit grayscale images.
System.Object
System.Workflow.ComponentModel.DependencyObject
System.Workflow.ComponentModel.Activity
Leadtools.Workflow.Raster.WorkflowImageActivity
Leadtools.Workflow.Raster.DisposableImageActivity
Leadtools.Workflow.ImageProcessing.ImageProcessingBaseActivity
Leadtools.Workflow.ImageProcessing.EdgeDetectorActivity
Target Platforms: Microsoft .NET Framework 3.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7