C# Class AForge.Imaging.Filters.BlobsFiltering

Blobs filtering by size.

The filter performs filtering of blobs by their size in the specified source image - all blobs, which are smaller or bigger then specified limits, are removed from the image.

The image processing filter treats all none black pixels as objects' pixels and all black pixel as background.

The filter accepts 8 bpp grayscale images and 24/32 color images for processing.

Sample usage:

 // create filter BlobsFiltering filter = new BlobsFiltering( ); // configure filter filter.CoupledSizeFiltering = true; filter.MinWidth  = 70; filter.MinHeight = 70; // apply the filter filter.ApplyInPlace( image );

Initial image:

Result image:

Inheritance: BaseInPlaceFilter

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Méthodes publiques

Méthode	Description
BlobsFiltering ( ) : System	Initializes a new instance of the BlobsFiltering class.
BlobsFiltering ( IBlobsFilter blobsFilter ) : System	Initializes a new instance of the BlobsFiltering class.
BlobsFiltering ( int minWidth, int minHeight, int maxWidth, int maxHeight ) : System	Initializes a new instance of the BlobsFiltering class. This constructor creates an instance of BlobsFiltering class with CoupledSizeFiltering property set to false.
BlobsFiltering ( int minWidth, int minHeight, int maxWidth, int maxHeight, bool coupledSizeFiltering ) : System	Initializes a new instance of the BlobsFiltering class. For information about coupled filtering mode see documentation for BlobCounterBase.CoupledSizeFiltering property of BlobCounterBase class.

Méthodes protégées

Méthode	Description
ProcessFilter ( UnmanagedImage image ) : void	Process the filter on the specified image.

Method Details

BlobsFiltering() public méthode

Initializes a new instance of the BlobsFiltering class.

public BlobsFiltering ( ) : System
Résultat	System

BlobsFiltering() public méthode

Initializes a new instance of the BlobsFiltering class.

public BlobsFiltering ( IBlobsFilter blobsFilter ) : System
blobsFilter	IBlobsFilter	Custom blobs' filtering routine to use /// (see ).
Résultat	System

BlobsFiltering() public méthode

Initializes a new instance of the BlobsFiltering class.

This constructor creates an instance of BlobsFiltering class with CoupledSizeFiltering property set to false.

public BlobsFiltering ( int minWidth, int minHeight, int maxWidth, int maxHeight ) : System
minWidth	int	Minimum allowed width of blob.
minHeight	int	Minimum allowed height of blob.
maxWidth	int	Maximum allowed width of blob.
maxHeight	int	Maximum allowed height of blob.
Résultat	System

BlobsFiltering() public méthode

Initializes a new instance of the BlobsFiltering class.

For information about coupled filtering mode see documentation for BlobCounterBase.CoupledSizeFiltering property of BlobCounterBase class.

public BlobsFiltering ( int minWidth, int minHeight, int maxWidth, int maxHeight, bool coupledSizeFiltering ) : System
minWidth	int	Minimum allowed width of blob.
minHeight	int	Minimum allowed height of blob.
maxWidth	int	Maximum allowed width of blob.
maxHeight	int	Maximum allowed height of blob.
coupledSizeFiltering	bool	Specifies if size filetering should be coupled or not.
Résultat	System

ProcessFilter() protected méthode

Process the filter on the specified image.

protected ProcessFilter ( UnmanagedImage image ) : void
image	UnmanagedImage	Source image data.
Résultat	void