de.unihalle.informatik.MiToBo.segmentation.levelset.core

Class LevelsetSolverDerivatives

java.lang.Object

de.unihalle.informatik.Alida.operator.ALDOperator

de.unihalle.informatik.MiToBo.core.operator.MTBOperator

de.unihalle.informatik.MiToBo.segmentation.levelset.core.LevelsetSolver

de.unihalle.informatik.MiToBo.segmentation.levelset.core.LevelsetSolverDerivatives

All Implemented Interfaces:

de.unihalle.informatik.Alida.datatypes.ALDConfigurationValidator, de.unihalle.informatik.Alida.operator.events.ALDOperatorExecutionProgressEventListener, EventListener

Direct Known Subclasses:

LevelsetSolverPDE

public abstract class LevelsetSolverDerivatives
extends LevelsetSolver

Level set solver using variational calculus.

Author:

Martin Scharm, Michael Schneider, Birgit Moeller

Nested Class Summary

Nested classes/interfaces inherited from class de.unihalle.informatik.Alida.operator.ALDOperator

de.unihalle.informatik.Alida.operator.ALDOperator.HidingMode, de.unihalle.informatik.Alida.operator.ALDOperator.HistoryConstructionMode

Field Summary

Fields

Modifier and Type	Field and Description
protected DeltaApproxHelper.ApproxVersion	approxFunction Helper to calculate values of approximated Dirac impulse function.
protected DeltaApproxHelper	deltaApproximator Helper to calculate approximated values for the Dirac function.
protected double	deltaT Time step size in iterative optimization.
protected MTBSet_LevelEnergyDerivable	energySet Set of energies to apply.
protected double	epsilon Epsilon value for approximation of Heaviside function.
protected MTBLevelsetFunctionDerivable	phi Level set function.

Fields inherited from class de.unihalle.informatik.MiToBo.segmentation.levelset.core.LevelsetSolver

initGenerator, initialSegmentation, inputImg

Fields inherited from class de.unihalle.informatik.Alida.operator.ALDOperator

completeDAG, name, operatorExecutionEventlistenerList, portHashAccess, verbose, versionProvider

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LevelsetSolverDerivatives() Default constructor.

Method Summary

Modifier and Type	Method and Description
DeltaApproxHelper	getDeltaApproximator() Get reference to delta function approximator.
double	getDeltaT() Get step size.
MTBSet_LevelEnergyDerivable	getEnergySet() Get set of energies.
double	getEpsilon() Get epsilon for Heaviside function approximation.
MTBLevelsetFunctionDerivable	getPhi() Get current level set function.

Methods inherited from class de.unihalle.informatik.MiToBo.segmentation.levelset.core.LevelsetSolver

getInitialSegmentation, getInputImg, initSegmentation

Methods inherited from class de.unihalle.informatik.MiToBo.core.operator.MTBOperator

readResolve

Methods inherited from class de.unihalle.informatik.Alida.operator.ALDOperator

addOperatorExecutionProgressEventListener, addParameter, addParameter, addParameterUnconditioned, fieldContained, fireOperatorExecutionProgressEvent, getALDPortHashAccessKey, getConstructionMode, getDocumentation, getHidingMode, getInactiveParameterNames, getInInoutNames, getInInoutNames, getInNames, getInOutNames, getMissingRequiredInputs, getName, getNumParameters, getOutInoutNames, getOutNames, getParameter, getParameterDescriptor, getParameterDescriptorUnconditioned, getParameterNames, getParameterUnconditioned, getSupplementalNames, getVerbose, getVersion, handleOperatorExecutionProgressEvent, hasInOutParameters, hasParameter, isAnnotatedParameter, isConfigured, operate, print, print, print, printInterface, printInterface, readHistory, reinitializeParameterDescriptors, removeOperatorExecutionProgressEventListener, removeParameter, runOp, runOp, runOp, setConstructionMode, setConstructionMode, setConstructionMode, setHidingMode, setName, setParameter, setParameterUnconditioned, setVerbose, toStringVerbose, unconfiguredItems, validate, validateCustom, validateGeneric, writeHistory, writeHistory, writeHistory

Methods inherited from class java.lang.Object

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

Field Detail

energySet

@Parameter(label="Energies",
           required=true,
           dataIOOrder=0,
           direction=IN,
           description="Level set energies.")
protected MTBSet_LevelEnergyDerivable energySet

Set of energies to apply.

deltaT

@Parameter(label="Step Size",
           required=false,
           dataIOOrder=-10,
           direction=IN,
           description="Step size in optimization.")
protected double deltaT

Time step size in iterative optimization.

approxFunction

@Parameter(label="Approximating Function",
           required=true,
           direction=IN,
           dataIOOrder=20,
           description="Function to use for approximation, see paper for details.")
protected DeltaApproxHelper.ApproxVersion approxFunction

Helper to calculate values of approximated Dirac impulse function.

epsilon

@Parameter(label="Heaviside Approximation Parameter",
           required=false,
           direction=IN,
           dataIOOrder=-9,
           description="Value of epsilon in approximation of Heaviside function.")
protected double epsilon

Epsilon value for approximation of Heaviside function.

phi

protected MTBLevelsetFunctionDerivable phi

Level set function.

deltaApproximator

protected DeltaApproxHelper deltaApproximator

Helper to calculate approximated values for the Dirac function.

Constructor Detail

LevelsetSolverDerivatives

protected LevelsetSolverDerivatives()
                             throws de.unihalle.informatik.Alida.exceptions.ALDOperatorException

Default constructor.

Throws:

de.unihalle.informatik.Alida.exceptions.ALDOperatorException

Method Detail

getEnergySet

public MTBSet_LevelEnergyDerivable getEnergySet()

Get set of energies.

Returns:

Energy set.

getDeltaT

public double getDeltaT()

Get step size.

Returns:

Size of one time step.

getDeltaApproximator

public DeltaApproxHelper getDeltaApproximator()

Get reference to delta function approximator.

Returns:

Reference to helper object.

getEpsilon

public double getEpsilon()

Get epsilon for Heaviside function approximation.

Returns:

Value of epsilon.

getPhi

public MTBLevelsetFunctionDerivable getPhi()

Get current level set function.

Returns:

Level set function.