net.sourceforge.javaocr.plugin.fir
Class AbstractNeighborhoodFilter

java.lang.Object
  net.sourceforge.javaocr.plugin.fir.AbstractNeighborhoodFilter

All Implemented Interfaces:

ImageFilter

Direct Known Subclasses:

MedianFilter

public abstract class AbstractNeighborhoodFilter
extends Object
implements ImageFilter

Abstract base class for filters operating on pixel neighborhood

Author:

Andrea De Pasquale

Field Summary

private Image	destImage
protected int	filterH
protected int	filterW
private int	sizeB
private int	sizeL
private int	sizeR
private int	sizeT

Constructor Summary

AbstractNeighborhoodFilter(int width, int height, Image dest)
Initializes an AbstractNeighborhoodFilter

Method Summary

void	process(Image image) Chisels out image neighborhood and then calls processNeighborhood()
protected abstract int	processNeighborhood(Image nImage) compute pixel value by looking up values in the neighborhood image

Methods inherited from class java.lang.Object

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

Field Detail

filterW

protected int filterW

filterH

protected int filterH

sizeL

private int sizeL

sizeR

private int sizeR

sizeT

private int sizeT

sizeB

private int sizeB

destImage

private Image destImage

Constructor Detail

AbstractNeighborhoodFilter

public AbstractNeighborhoodFilter(int width,
                                  int height,
                                  Image dest)

Initializes an AbstractNeighborhoodFilter

Parameters:

width - Neighborhood width; if even, filter expands to the right only.

height - Neighborhood height; if even, filter expands to the bottom only.

dest - The image to be filled up during processing.

Method Detail

process

public void process(Image image)

Chisels out image neighborhood and then calls processNeighborhood()

Specified by:

process in interface ImageFilter

processNeighborhood

protected abstract int processNeighborhood(Image nImage)

compute pixel value by looking up values in the neighborhood image