C# Class AForge.Imaging.Filters.ThresholdedEuclideanDifference

Calculate Euclidean difference between two images and threshold it.

The filter produces similar to ThresholdedDifference, however it uses Euclidean distance for finding difference between pixel values instead of Manhattan distance. Result of this image processing routine may be useful in motion detection applications or finding areas of significant difference.

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

Sample usage:

 // create filter ThresholdedEuclideanDifference filter = new ThresholdedEuclideanDifference( 60 ); // apply the filter filter.OverlayImage = backgroundImage; Bitmap resultImage = filter.Apply( sourceImage );

Source image:

Background image:

Result image:

Inheritance: AForge.Imaging.Filters.BaseFilter2

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Public Methods

Method	Description
ThresholdedEuclideanDifference ( ) : System	Initializes a new instance of the ThresholdedEuclideanDifference class.
ThresholdedEuclideanDifference ( int threshold ) : System	Initializes a new instance of the ThresholdedEuclideanDifference class.

Protected Methods

Method	Description
ProcessFilter ( UnmanagedImage sourceData, UnmanagedImage overlay, UnmanagedImage destinationData ) : void	Process the filter on the specified image.

Method Details

ProcessFilter() protected method

Process the filter on the specified image.

protected ProcessFilter ( UnmanagedImage sourceData, UnmanagedImage overlay, UnmanagedImage destinationData ) : void
sourceData	UnmanagedImage	Source image data.
overlay	UnmanagedImage	Overlay image data.
destinationData	UnmanagedImage	Destination image data
return	void

ThresholdedEuclideanDifference() public method

Initializes a new instance of the ThresholdedEuclideanDifference class.

public ThresholdedEuclideanDifference ( ) : System
return	System

ThresholdedEuclideanDifference() public method

Initializes a new instance of the ThresholdedEuclideanDifference class.

public ThresholdedEuclideanDifference ( int threshold ) : System
threshold	int	Difference threshold (see ).
return	System