Package gov.nih.mipav.model.algorithms

Class AlgorithmActiveContoursWithoutEdges

java.lang.Object

java.lang.Thread

gov.nih.mipav.model.algorithms.AlgorithmBase

gov.nih.mipav.model.algorithms.AlgorithmActiveContoursWithoutEdges

All Implemented Interfaces:

ActionListener, WindowListener, Runnable, EventListener

public class AlgorithmActiveContoursWithoutEdges
extends AlgorithmBase

Nested Class Summary

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

Thread.Builder, Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	chan
private double	epsilon
private static final int	holes
private static final int	holes_small
private static final int	large
private int	maskType
private static final int	medium
private int	method
private double	mu
private int	numIter
private static final int	small
private static final int	twophase
private static final int	user	Copyright (c) 2009, Yue Wu All rights reserved.
private static final int	vector

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
AlgorithmActiveContoursWithoutEdges(ModelImage destImg, ModelImage srcImg, int maskType, int numIter, double mu, int method)

Method Summary

Modifier and Type	Method	Description
private boolean	checkstop(double[][] old, double[][] neww, double dt)
private boolean	checkstop(double[] old, double[] neww, double dt)
private double[]	Heaviside(double[] z)
private double[]	kappa(double[] I, int xDim)
private void	reinitialization(double[] D, double dt, int xDim)
void	runAlgorithm()	Actually runs the algorithm.

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

actionPerformed, addListener, addProgressChangeListener, calculateImageSize, calculatePrincipleAxis, computeElapsedTime, computeElapsedTime, convertIntoFloat, delinkProgressToAlgorithm, delinkProgressToAlgorithmMulti, displayError, errorCleanUp, finalize, 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, isVirtual, join, join, join, join, ofPlatform, ofVirtual, onSpinWait, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, sleep, start, startVirtualThread, stop, suspend, threadId, toString, yield

Methods inherited from class java.lang.Object

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

Field Details

user

private static final int user

Copyright (c) 2009, Yue Wu All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. % Active contour with Chen-Vese Method % for image segementation % % Implemented by Yue Wu (yue.wu@tufts.edu) % Tufts University % Feb 2009 % http://sites.google.com/site/rexstribeofimageprocessing/ % % all rights reserved % Last update 02/26/2009 % Description: This code implements the paper: "Active Contours Without % Edges" by Chan and Vese for method 'chen', the paper:"Active Contours Without % Edges for vector image" by Chan and Vese for method 'vector', and the paper % "A Multiphase Level Set Framework for Image Segmentation Using the % Mumford and Shah Model" by Chan and Vese. This is a port to Java of the MATLAB code in chenvese.m and supporting MATLAB files written by Yue Wu. References: 1.) Active Contours Without Edges by Tony F. Chan and Luminita A. Vese, IEEE Transactions on Image Processing, Vol. 10, No. 2, February, 2001, pp. 266- 277. 2.) Active Contours Without Edges for Vector-Valued Images by Tony F. Chan, B. Yezrielev, and Luminita A. Vese, Journal of Visual Communication and Image Representation, 11, 2000, pp. 130-141. 3.) A Multiphase Level Set Framework for Image Segmentation Using the Mumford and Shah Model by Tony F. Chan and Luminita A. Vese, International Journal of Computer Vision, 50(3), 2002, pp. 271-293.

See Also:

• Constant Field Values

small

private static final int small

See Also:

• Constant Field Values

medium

private static final int medium

See Also:

• Constant Field Values

large

private static final int large

See Also:

• Constant Field Values

holes

private static final int holes

See Also:

• Constant Field Values

holes_small

private static final int holes_small

See Also:

• Constant Field Values

maskType

private int maskType

numIter

private int numIter

mu

private double mu

chan

private static final int chan

See Also:

• Constant Field Values

vector

private static final int vector

See Also:

• Constant Field Values

twophase

private static final int twophase

See Also:

• Constant Field Values

method

private int method

epsilon

private double epsilon

Constructor Details

AlgorithmActiveContoursWithoutEdges

public AlgorithmActiveContoursWithoutEdges(ModelImage destImg,
 ModelImage srcImg,
 int maskType,
 int numIter,
 double mu,
 int method)

Method Details

runAlgorithm

public void runAlgorithm()

Description copied from class: AlgorithmBase

Actually runs the algorithm. Implemented by inheriting algorithms.

Specified by:

runAlgorithm in class AlgorithmBase

reinitialization

private void reinitialization(double[] D,
 double dt,
 int xDim)

checkstop

private boolean checkstop(double[][] old,
 double[][] neww,
 double dt)

checkstop

private boolean checkstop(double[] old,
 double[] neww,
 double dt)

Heaviside

private double[] Heaviside(double[] z)

kappa

private double[] kappa(double[] I,
 int xDim)