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FIL.TopHatRegion
Performs a morphological white top hat operation on a region using a predefined kernel.
| Namespace: | FilNet |
|---|---|
| Assembly: | FIL.NET.dll |
Syntax
C++
C#
public static void TopHatRegion ( FilNet.Region inRegion, FilNet.KernelShape inKernel, int inRadiusX, FilNet.Region outRegion )
Parameters
| Name | Type | Range | Default | Description | |
|---|---|---|---|---|---|
 | inRegion | FilNet.Region | Input region. | ||
| inKernel | FilNet.KernelShape | Kernel shape (predefined). | ||
| inRadiusX | int | <0, INF> | 1 | Nearly half of the kernel's width (2*R+1). Default value: 1. |
 | outRegion | FilNet.Region | Output region. |
Description
Extracts from region small parts. Uses predefined kernels.
Is performed by running consecutively two filters. OpenRegion to remove small parts from region and RegionDifference to remove rest of the region.
Examples
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 |
Top Hat used to remove bigger parts of region. Used parameters inKernel=Ellipse and inRadiusX=5. Region marked white. Source image on the left and result on the right.
Errors
List of possible exceptions:
| Error type | Description |
|---|---|
| DomainError | Unsupported kernel in TopHatRegion. |
