at.mug.iqm.img.bundle.op

Class CoocurrenceMatrix

java.lang.Object

at.mug.iqm.img.bundle.op.CoocurrenceMatrix

class CoocurrenceMatrix
extends Object

Inner class responsible for calculating the coocurrence matrix

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	backgroundIsIncluded
private float[][][]	coMatrix
private float[]	count
private int	dir
private int	dist
private int	height
private boolean	normalize
private int	numBands
private int	numGreyLevels
private javax.media.jai.PlanarImage	pi
private boolean	symmetric
private int	width

Constructor Summary

Constructors

Constructor and Description
CoocurrenceMatrix(javax.media.jai.PlanarImage pi, int dist, int numGreyLevels, boolean backgroundIsIncluded, int numBands, int dir)

Method Summary

Modifier and Type	Method and Description
private void	calcCoMatValue(Raster ri, int b, int grayLevel_i, Point p) Helper method for calculating a specific value
void	calculateMatrix() Performs the actual matrix calculation
float[][][]	getCoMatrix()
private void	normalizeMatrix() Normalizes the matrix
private boolean	pointIsInImage(Point p) Determines whether a point lies within an image

Methods inherited from class java.lang.Object

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

Field Detail

pi

private final javax.media.jai.PlanarImage pi

dist

private final int dist

numGreyLevels

private final int numGreyLevels

backgroundIsIncluded

private final boolean backgroundIsIncluded

numBands

private final int numBands

dir

private final int dir

normalize

private boolean normalize

count

private float[] count

width

private int width

height

private int height

coMatrix

private float[][][] coMatrix

symmetric

private boolean symmetric

Constructor Detail

CoocurrenceMatrix

public CoocurrenceMatrix(javax.media.jai.PlanarImage pi,
                         int dist,
                         int numGreyLevels,
                         boolean backgroundIsIncluded,
                         int numBands,
                         int dir)

Method Detail

calculateMatrix

public void calculateMatrix()

Performs the actual matrix calculation

calcCoMatValue

private void calcCoMatValue(Raster ri,
                            int b,
                            int grayLevel_i,
                            Point p)

Helper method for calculating a specific value

Parameters:

ri -

b -

grayLevel_i -

p -

pointIsInImage

private boolean pointIsInImage(Point p)

Determines whether a point lies within an image

Parameters:

p -

Returns:

normalizeMatrix

private void normalizeMatrix()

Normalizes the matrix

getCoMatrix

public float[][][] getCoMatrix()