at.mug.iqm.img.bundle.op

Class IqmOpStatistics

java.lang.Object

at.mug.iqm.api.operator.AbstractOperator

at.mug.iqm.img.bundle.op.IqmOpStatistics

All Implemented Interfaces:

IProgressEmitter, ICancelable, IOperator

public class IqmOpStatistics
extends AbstractOperator

Changes

• 2014 04 03 HA bugfix column 0 and row 0 was not calculated for 2nd order statistics, many thanks to Martin Reiss

Since:

2009 06

Author:

Ahammer, Kainz

Field Summary

Fields inherited from class at.mug.iqm.api.operator.AbstractOperator

isCancelable, name, parentTask, pcs, type

Constructor Summary

Constructors

Constructor and Description
IqmOpStatistics()

Method Summary

Modifier and Type	Method and Description
private TableModel	addModelColumns(TableModel model, int binary, int order1, int order2) Adds the column names to the table model
private double[][]	calcMinMax(javax.media.jai.PlanarImage pi, boolean backgroundIsIncluded, javax.media.jai.Histogram histo) Calculate min and max values for each band of an image.
private void	calculateBinaryFeatures(Vector dataRow, int b, javax.media.jai.Histogram histo, boolean backgroundIsIncluded) Calculates the binary features
private void	calculateCommonFeatures(Vector dataRow, int b, String fileName, String imgName, String strBack, int width, int height) Add Features that are always used
private void	calculateFirstOrderFeatures(Vector dataRow, int b, double[][] minMax, javax.media.jai.Histogram histo, double imgTypeGreyMax, int back, javax.media.jai.PlanarImage pi) Calculates the first order features
private void	calculateSecondOrderFeatures(Vector dataRow, int b, CoocurrenceMatrix coocurrenceMatrix, String strDir, int dist, int range) Calculate second order features
private javax.media.jai.Histogram	createHistogram(javax.media.jai.PlanarImage pi, boolean backgroundIsIncluded, double typeGreyMax) Create image histogram
private TableModel	createModel(String imgName) Initializes the table model and adds the necessary columns
String	getName()
OperatorType	getType()
private javax.media.jai.PlanarImage	rescaleImage(javax.media.jai.PlanarImage pi, double greyMatrixMax, double imgTypeGreyMax) Reduce image gray values
IResult	run(IWorkPackage wp)

Methods inherited from class at.mug.iqm.api.operator.AbstractOperator

addProgressListener, fireProgressChanged, getParentTask, getPcs, getProgressListeners, initializeOperator, isCancelable, isCancelled, setCancelable, setParentTask

Methods inherited from class java.lang.Object

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

Constructor Detail

IqmOpStatistics

public IqmOpStatistics()

Method Detail

run

public IResult run(IWorkPackage wp)

Specified by:

run in interface IOperator

Specified by:

run in class AbstractOperator

createModel

private TableModel createModel(String imgName)

Initializes the table model and adds the necessary columns

calculateCommonFeatures

private void calculateCommonFeatures(Vector dataRow,
                                     int b,
                                     String fileName,
                                     String imgName,
                                     String strBack,
                                     int width,
                                     int height)

Add Features that are always used

Parameters:

dataRow -

b -

fileName -

imgName -

strBack -

width -

height -

rescaleImage

private javax.media.jai.PlanarImage rescaleImage(javax.media.jai.PlanarImage pi,
                                                 double greyMatrixMax,
                                                 double imgTypeGreyMax)

Reduce image gray values

Parameters:

pi -

greyMatrixMax -

imgTypeGreyMax -

Returns:

calculateBinaryFeatures

private void calculateBinaryFeatures(Vector dataRow,
                                     int b,
                                     javax.media.jai.Histogram histo,
                                     boolean backgroundIsIncluded)

Calculates the binary features

Parameters:

dataRow -

b -

histo -

backgroundIsIncluded -

calculateFirstOrderFeatures

private void calculateFirstOrderFeatures(Vector dataRow,
                                         int b,
                                         double[][] minMax,
                                         javax.media.jai.Histogram histo,
                                         double imgTypeGreyMax,
                                         int back,
                                         javax.media.jai.PlanarImage pi)

Calculates the first order features

Parameters:

dataRow -

b -

minMax -

histo -

imgTypeGreyMax -

back -

pi -

calculateSecondOrderFeatures

private void calculateSecondOrderFeatures(Vector dataRow,
                                          int b,
                                          CoocurrenceMatrix coocurrenceMatrix,
                                          String strDir,
                                          int dist,
                                          int range)

Calculate second order features

Parameters:

dataRow -

b -

coocurrenceMatrix -

strDir -

dist -

range -

addModelColumns

private TableModel addModelColumns(TableModel model,
                                   int binary,
                                   int order1,
                                   int order2)

Adds the column names to the table model

Parameters:

model -

calcMinMax

private double[][] calcMinMax(javax.media.jai.PlanarImage pi,
                              boolean backgroundIsIncluded,
                              javax.media.jai.Histogram histo)

Calculate min and max values for each band of an image. Depends on whether the background is included or not. Index 0 holds minium values, index 1 holds maximum values.

Parameters:

pi -

backgroundIsIncluded -

histo -

Returns:

createHistogram

private javax.media.jai.Histogram createHistogram(javax.media.jai.PlanarImage pi,
                                                  boolean backgroundIsIncluded,
                                                  double typeGreyMax)

Create image histogram

Parameters:

pi -

backgroundIsIncluded -

typeGreyMax -

Returns:

getName

public String getName()

Specified by:

getName in interface IOperator

Specified by:

getName in class AbstractOperator

getType

public OperatorType getType()

Specified by:

getType in interface IOperator

Specified by:

getType in class AbstractOperator