Back to Aurora Vision Library website

You are here: Start » Function Reference » Region » Region Morphology » BottomHatRegion_AnyKernel

BottomHatRegion_AnyKernel


Header: AVL.h
Namespace: avl
Module: FoundationBasic

Performs a morphological black top hat (bottom hat) operation on a region using an arbitrary kernel.

Syntax

C++
C#
 
void avl::BottomHatRegion_AnyKernel
(
	const avl::Region& inRegion,
	const avl::Region& inKernel,
	avl::Region& outRegion
)

Parameters

Name Type Default Description
Input value inRegion const Region& Input region
Input value inKernel const Region& Kernel shape (any)
Output value outRegion Region& Output region

Description

Extracts small parts which do not belong to region. Uses user-defined kernels.

Is performed by running consecutively two filters. CloseRegion to remove small holes from region and RegionDifference to remove rest of the region.

Examples

Top Hat used to remove bigger parts of which do not belong to region. Region marked white. Source image on the left and result on the right.

Errors

List of possible exceptions:

Error type Description
DomainError Empty kernel on input in BottomHatRegion_AnyKernel.