Package gov.nih.mipav.model.algorithms

Class HartleyTransform

java.lang.Object

java.lang.Thread

gov.nih.mipav.model.algorithms.AlgorithmBase

gov.nih.mipav.model.algorithms.HartleyTransform

All Implemented Interfaces:

java.awt.event.ActionListener, java.awt.event.WindowListener, java.lang.Runnable, java.util.EventListener

public class HartleyTransform
extends AlgorithmBase

The MIT License (MIT) Copyright (c) 2015 Eugeniy Sokol Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field	Description
private static double	cos22
private static double	cos45
private int[]	fht_instance_count
private int[]	fht_revbin_counts
private int[][]	fht_revbin_tables
private double[][]	fht_trig_tables
private ModelImage	inverseImage
private int	ldn
private static double	pi
private static double	pi4
private static double	sin22
private int	size
private static double	sqrt2
private ModelImage	transformImage

Fields inherited from class gov.nih.mipav.model.algorithms.AlgorithmBase

destFlag, destImage, image25D, mask, maxProgressValue, minProgressValue, multiThreadingEnabled, nthreads, progress, progressModulus, progressStep, runningInSeparateThread, separable, srcImage, threadStopped

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor	Description
HartleyTransform()
HartleyTransform(int size)
HartleyTransform(ModelImage transformImage, ModelImage inverseImage, ModelImage srcImg)

Method Summary

Modifier and Type	Method	Description
private void	addsub(double[] u, double[] v)
private void	addsub(double[] u, double[] v, double scale)
void	back_transform(double[] fht_data)
void	finalize()	Calls garbage collector to release system resources.
double[]	get_frequency(double[] fht_data, int number)
void	hartley_multiply(double[] fht_data, double[] fht_fir, boolean scaled)
private void	revbin_permute(double[] data)
private void	rotate(double[] u, double[] v, double c, double s)
void	runAlgorithm()	Actually runs the algorithm.
void	show(double[] data, int size)
private void	step_addsub(double[] data, int ldn)
private void	step_addsub4(double[] data)
private void	step_addsub8(double[] data)
private void	step_rotate(double[] data, int ldn)
private void	step_rotate8(double[] data)
void	testHartley()
void	transform(double[] data, boolean scaled)
private double	zabs(double zr, double zi)	zabs computes the absolute value or magnitude of a double precision complex variable zr + j*zi.

Methods inherited from class gov.nih.mipav.model.algorithms.AlgorithmBase

actionPerformed, addListener, addProgressChangeListener, calculateImageSize, calculatePrincipleAxis, computeElapsedTime, computeElapsedTime, convertIntoFloat, delinkProgressToAlgorithm, delinkProgressToAlgorithmMulti, displayError, errorCleanUp, fireProgressStateChanged, fireProgressStateChanged, fireProgressStateChanged, fireProgressStateChanged, fireProgressStateChanged, generateProgressValues, getDestImage, getElapsedTime, getMask, getMaxProgressValue, getMinProgressValue, getNumberOfThreads, getProgress, getProgressChangeListener, getProgressChangeListeners, getProgressModulus, getProgressStep, getProgressValues, getSrcImage, isCompleted, isImage25D, isMultiThreadingEnabled, isRunningInSeparateThread, isThreadStopped, linkProgressToAlgorithm, linkProgressToAlgorithm, makeProgress, notifyListeners, removeListener, removeProgressChangeListener, run, setCompleted, setImage25D, setMask, setMaxProgressValue, setMinProgressValue, setMultiThreadingEnabled, setNumberOfThreads, setProgress, setProgressModulus, setProgressStep, setProgressValues, setProgressValues, setRunningInSeparateThread, setSrcImage, setStartTime, setThreadStopped, startMethod, windowActivated, windowClosed, windowClosing, windowDeactivated, windowDeiconified, windowIconified, windowOpened

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, onSpinWait, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

transformImage

private ModelImage transformImage

inverseImage

private ModelImage inverseImage

pi

private static final double pi

See Also:

Constant Field Values

pi4

private static final double pi4

See Also:

Constant Field Values

sqrt2

private static final double sqrt2

See Also:

Constant Field Values

cos45

private static final double cos45

See Also:

Constant Field Values

cos22

private static final double cos22

See Also:

Constant Field Values

sin22

private static final double sin22

See Also:

Constant Field Values

fht_instance_count

private int[] fht_instance_count

fht_trig_tables

private double[][] fht_trig_tables

fht_revbin_tables

private int[][] fht_revbin_tables

fht_revbin_counts

private int[] fht_revbin_counts

size

private int size

ldn

private int ldn

Constructor Detail

HartleyTransform

public HartleyTransform()

HartleyTransform

public HartleyTransform(int size)

HartleyTransform

public HartleyTransform(ModelImage transformImage,
                        ModelImage inverseImage,
                        ModelImage srcImg)

Method Detail

finalize

public void finalize()

Description copied from class: AlgorithmBase

Calls garbage collector to release system resources.

Overrides:

finalize in class AlgorithmBase

show

public void show(double[] data,
                 int size)

testHartley

public void testHartley()

transform

public void transform(double[] data,
                      boolean scaled)

back_transform

public void back_transform(double[] fht_data)

hartley_multiply

public void hartley_multiply(double[] fht_data,
                             double[] fht_fir,
                             boolean scaled)

get_frequency

public double[] get_frequency(double[] fht_data,
                              int number)

revbin_permute

private void revbin_permute(double[] data)

step_addsub

private void step_addsub(double[] data,
                         int ldn)

step_rotate

private void step_rotate(double[] data,
                         int ldn)

step_addsub8

private void step_addsub8(double[] data)

step_rotate8

private void step_rotate8(double[] data)

step_addsub4

private void step_addsub4(double[] data)

addsub

private void addsub(double[] u,
                    double[] v)

addsub

private void addsub(double[] u,
                    double[] v,
                    double scale)

rotate

private void rotate(double[] u,
                    double[] v,
                    double c,
                    double s)

zabs

private double zabs(double zr,
                    double zi)

zabs computes the absolute value or magnitude of a double precision complex variable zr + j*zi.

Parameters:

zr - double

zi - double

Returns:

double

runAlgorithm

public void runAlgorithm()

Description copied from class: AlgorithmBase

Actually runs the algorithm. Implemented by inheriting algorithms.

Specified by:

runAlgorithm in class AlgorithmBase