net.sourceforge.javaocr.plugin.moment
Class AbstractMomentFilter

java.lang.Object
  net.sourceforge.javaocr.plugin.moment.AbstractMomentFilter

All Implemented Interfaces:

ImageFilter

Direct Known Subclasses:

CentralMomentFilter, RawMomentFilter

public abstract class AbstractMomentFilter
extends Object
implements ImageFilter

base functionality for moment filters (traversal and caching those values for future invocations og filter.

Field Summary

(package private) double[]	coeffx
(package private) double[]	coeffy
(package private) double	moment
(package private) int	p
(package private) int	q

Constructor Summary

AbstractMomentFilter(int p, int q)

Method Summary

double	getMoment()
protected abstract double[]	precomputeX(Image image) precompute x coefficient array
protected abstract double[]	precomputeY(Image image) precompute y coefficients array
void	process(Image image) navigate through while image

Methods inherited from class java.lang.Object

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

Field Detail

p

final int p

q

final int q

moment

double moment

coeffx

double[] coeffx

coeffy

double[] coeffy

Constructor Detail

AbstractMomentFilter

public AbstractMomentFilter(int p,
                            int q)

Method Detail

precomputeX

protected abstract double[] precomputeX(Image image)

precompute x coefficient array

precomputeY

protected abstract double[] precomputeY(Image image)

precompute y coefficients array

process

public void process(Image image)

navigate through while image

Specified by:

process in interface ImageFilter

Parameters:

image -

getMoment

public double getMoment()