net.sourceforge.javaocr.filter
Class AbstractIntegralImageFilter

java.lang.Object
  net.sourceforge.javaocr.filter.AbstractIntegralImageFilter

All Implemented Interfaces:

ImageFilter

Direct Known Subclasses:

IntegralImageFilter, SquaredIntergalImageFilter

public abstract class AbstractIntegralImageFilter
extends Object
implements ImageFilter

Field Summary

(package private) Image	empty
(package private) Image	resultImage

Constructor Summary

AbstractIntegralImageFilter(Image resultImage)

Method Summary

void	process(Image image) process image.
protected abstract int	processPixel(int i)
int	windowValue(int left, int top, int right, int bottom) compute sum of pixels in defined window, all borders are inclusive

Methods inherited from class java.lang.Object

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

Field Detail

resultImage

Image resultImage

empty

Image empty

Constructor Detail

AbstractIntegralImageFilter

public AbstractIntegralImageFilter(Image resultImage)

Method Detail

process

public void process(Image image)

process image. size of image under process and configured destination image must match - it is up to caller to ensure format compatibility (otherwise be prepared to receive lots of garbled images and IOOB exceptions)

Specified by:

process in interface ImageFilter

Parameters:

image - image to be processed

processPixel

protected abstract int processPixel(int i)

windowValue

public int windowValue(int left,
                       int top,
                       int right,
                       int bottom)

compute sum of pixels in defined window, all borders are inclusive

Returns:

sum of pixels in defined window