imagingbook.pub.edgepreservingfilters

Class NagaoMatsuyamaFilter

java.lang.Object

imagingbook.lib.filters.GenericFilter

imagingbook.pub.edgepreservingfilters.NagaoMatsuyamaFilter

public class NagaoMatsuyamaFilter
extends GenericFilter

This class implements a 5x5 Nagao-Matsuyama filter, as described in NagaoMatsuyama (1979).

Version:

2013/05/30

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NagaoMatsuyamaFilter.Parameters

Constructor Summary

Constructors

Constructor and Description
NagaoMatsuyamaFilter()
NagaoMatsuyamaFilter(NagaoMatsuyamaFilter.Parameters params)

Method Summary

Modifier and Type	Method and Description
float[]	filterPixel(ImageAccessor.Rgb ia, int u, int v) Calculates and returns the filter result for a single pixel at the given position.
float	filterPixel(ImageAccessor.Scalar image, int u, int v) Calculates and returns the filter result for a single pixel at the given position.

Methods inherited from class imagingbook.lib.filters.GenericFilter

applyTo, setOutOfBoundsStrategy

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NagaoMatsuyamaFilter

public NagaoMatsuyamaFilter()

NagaoMatsuyamaFilter

public NagaoMatsuyamaFilter(NagaoMatsuyamaFilter.Parameters params)

Method Detail

filterPixel

public float filterPixel(ImageAccessor.Scalar image,
                         int u,
                         int v)

Description copied from class: GenericFilter

Calculates and returns the filter result for a single pixel at the given position.

Specified by:

filterPixel in class GenericFilter

Parameters:

image - the ImageAccessor.Scalar representing the source (scalar-valued) image

u - the horizontal pixel position

v - the vertical pixel position

Returns:

the resulting (scalar) filter value for the specified pixel position

filterPixel

public float[] filterPixel(ImageAccessor.Rgb ia,
                           int u,
                           int v)

Description copied from class: GenericFilter

Calculates and returns the filter result for a single pixel at the given position.

Specified by:

filterPixel in class GenericFilter

Parameters:

ia - the ImageAccessor.Rgb representing the source (RGB) image

u - the horizontal pixel position

v - the vertical pixel position

Returns:

the resulting (RGB) filter value for the specified pixel position