Package gov.nih.mipav.model.algorithms

Class AlgorithmEllipticFourierDescriptors

java.lang.Object

java.lang.Thread

gov.nih.mipav.model.algorithms.AlgorithmBase

gov.nih.mipav.model.algorithms.AlgorithmEllipticFourierDescriptors

All Implemented Interfaces:

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

public class AlgorithmEllipticFourierDescriptors
extends AlgorithmBase

Smoothing VOI with Elliptic Fourier Descriptors. The number of coefficients can range from 1 to the number of points in the curve divided by 2. References: 1.) Feature Extraction & Image Processing for Computer Vision, Third Edition, Mark S. Nixon and Alberto S. Aguado, 2012, pp. 369-378. 2.) Boundary Finding with Parametrically Deformable Models by Lawrence H. Staib and James S. Duncan.

Author:

ilb

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 VOI	activeVOI	The voi selected by the user.
private int	coefficients	Number of coefficients.
private VOI	resultVOI	The resultant polygon and the evolution has completed.
private ModelImage	srcImage	Source image.

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

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

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor	Description
AlgorithmEllipticFourierDescriptors()
AlgorithmEllipticFourierDescriptors(ModelImage srcImg, VOI activeVOI, int coefficients)	Creates a new AlgorithmEllipticFourierDescriptors object.

Method Summary

Modifier and Type	Method	Description
private void	calc()	Prepares the data and runs the algorithm for a 2D or 3D image.
void	finalize()	Prepares this class for destruction.
VOI	getResultVOI()	Accessor that returns a voi that is a smoothed version of the original.
void	runAlgorithm()	Starts the smooth algorithm.
private void	runEllipticFourierDescriptors(float[] xPoints, float[] yPoints, float[] xSmooth, float[] ySmooth)
private void	runEllipticFourierDescriptorsOpenCurve(float[] xPoints, float[] yPoints, float[] xSmooth, float[] ySmooth)

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

activeVOI

private VOI activeVOI

The voi selected by the user.

coefficients

private int coefficients

Number of coefficients.

resultVOI

private VOI resultVOI

The resultant polygon and the evolution has completed.

srcImage

private ModelImage srcImage

Source image.

Constructor Detail

AlgorithmEllipticFourierDescriptors

public AlgorithmEllipticFourierDescriptors()

AlgorithmEllipticFourierDescriptors

public AlgorithmEllipticFourierDescriptors(ModelImage srcImg,
                                           VOI activeVOI,
                                           int coefficients)

Creates a new AlgorithmEllipticFourierDescriptors object.

Parameters:

srcImg - 2D or 3D source image

activeVOI - the selected voi

coefficients - number of coefficients

Method Detail

finalize

public void finalize()

Prepares this class for destruction.

Overrides:

finalize in class AlgorithmBase

getResultVOI

public VOI getResultVOI()

Accessor that returns a voi that is a smoothed version of the original.

Returns:

resultVOI

runAlgorithm

public void runAlgorithm()

Starts the smooth algorithm.

Specified by:

runAlgorithm in class AlgorithmBase

calc

private void calc()

Prepares the data and runs the algorithm for a 2D or 3D image.

runEllipticFourierDescriptors

private void runEllipticFourierDescriptors(float[] xPoints,
                                           float[] yPoints,
                                           float[] xSmooth,
                                           float[] ySmooth)

runEllipticFourierDescriptorsOpenCurve

private void runEllipticFourierDescriptorsOpenCurve(float[] xPoints,
                                                    float[] yPoints,
                                                    float[] xSmooth,
                                                    float[] ySmooth)