#include <LogJacobianConstraint.h>
Public Member Functions | |
virtual double | DerivativeWrtJacobianDet (double det) const |
Evaluate penalty derivative at control point location w.r.t. Jacobian determinant value. | |
LogJacobianConstraint (const char *="", bool=true) | |
Constructor. | |
virtual ParameterList | Parameter () const |
Get parameter key/value as string map. | |
virtual double | Penalty (double det) const |
Evaluate penalty at control point location given Jacobian determinant value. | |
virtual | ~LogJacobianConstraint () |
Destructor. | |
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virtual void | Initialize () |
Initialize energy term once input and parameters have been set. | |
mirtkPublicAttributeMacro (SubDomainEnum, SubDomain) | |
Sub-domain on which to evaluate penalty. | |
mirtkPublicAttributeMacro (bool, WithRespectToWorld) | |
mirtkPublicAttributeMacro (bool, UseLatticeSpacing) | |
Whether to use control point spacing when derivatives are computed w.r.t. world coordinates. | |
mirtkPublicAttributeMacro (bool, Symmetric) | |
Whether to apply symmetric penalty in case of SVFFD model (default: true) | |
mirtkReadOnlyAttributeMacro (bool, ConstrainParameterization) | |
virtual void | Update (bool=true) |
Update internal state upon change of input. | |
virtual void | WriteDataSets (const char *, const char *, bool=true) const |
Write Jacobian determinant. | |
virtual void | WriteGradient (const char *, const char *) const |
Write gradient of penalty term. | |
virtual | ~JacobianConstraint () |
Destructor. | |
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virtual | ~TransformationConstraint () |
Destructor. | |
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virtual enum EnergyMeasure | EnergyMeasure () const =0 |
Energy measure implemented by this term. | |
void | Gradient (double *gradient, double step) |
virtual void | GradientStep (const double *gradient, double &min, double &max) const |
double | InitialValue () |
Returns initial value of energy term. | |
void | NormalizedGradient (double *gradient, double step) |
string | Prefix (const char *=NULL) const |
Prefix to be used for debug output files. | |
virtual void | Print (Indent=0) const |
Print debug information. | |
virtual double | RawValue (double) const |
double | RawValue () |
void | ResetInitialValue () |
Reset initial value of energy term. | |
void | ResetValue () |
Reset cached value of energy term. | |
virtual bool | Upgrade () |
Update energy term after convergence. | |
double | Value () |
Evaluate energy term. | |
virtual | ~EnergyTerm () |
Destructor. | |
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string | DefaultName () const |
virtual bool | Set (const char *, const char *) |
Set parameter value from string. | |
virtual | ~Configurable () |
Destructor. | |
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void | AddObserver (Observer &) |
Add observer. | |
void | Broadcast (Event, const void *=NULL) |
Broadcast event to observers. | |
void | ClearObservers () |
Delete all observers. | |
void | DeleteObserver (Observer &) |
Delete observer. | |
void | NotifyObservers (Event, const void *=NULL) |
Notify all observers about given event if this object has changed. | |
int | NumberOfObservers () const |
Number of current observers. | |
virtual | ~Observable () |
Destructor. | |
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virtual const char * | NameOfClass () const =0 |
Get name of class, which this object is an instance of. | |
bool | Parameter (const ParameterList &) |
Set parameters from name/value pairs. | |
virtual | ~Object () |
Destructor. | |
Protected Member Functions | |
virtual bool | SetWithoutPrefix (const char *, const char *) |
Set parameter value from string. | |
virtual bool | SetWithPrefix (const char *, const char *) |
Set parameter value from string. | |
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virtual double | Evaluate () |
Compute penalty for current transformation estimate. | |
virtual void | EvaluateGradient (double *, double, double) |
Compute gradient of penalty term w.r.t transformation parameters. | |
JacobianConstraint (const char *, bool=false) | |
Constructor. | |
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const FreeFormTransformation * | FFD () const |
Get transformation as free-form deformation or NULL if it is none. | |
const MultiLevelTransformation * | MFFD () const |
Get transformation as multi-level transformation or NULL if it is none. | |
TransformationConstraint & | operator= (const TransformationConstraint &) |
Assignment operator. | |
template<class TransformationType > | |
const TransformationType * | TransformationAs () const |
Get transformation as specific type or NULL if dynamic cast fails. | |
TransformationConstraint (const char *="", double=1.0) | |
Constructor. | |
TransformationConstraint (const TransformationConstraint &) | |
Copy constructor. | |
void | WriteFFDGradient (const char *, const FreeFormTransformation *, const double *) const |
Write gradient of penalty term w.r.t. control point parameters. | |
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EnergyTerm (const char *="", double=1.0) | |
Constructor. | |
EnergyTerm (const EnergyTerm &) | |
Copy constructor. | |
EnergyTerm & | operator= (const EnergyTerm &) |
Assignment operator. | |
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Configurable (const char *="") | |
Constructor. | |
Configurable (const Configurable &) | |
Copy constructor. | |
string | DefaultPrefix () const |
Get default object name prefix (if any) | |
bool | HasName () const |
Whether this object has an explicit name. | |
bool | HasPrefix () const |
Whether this object has either an explicit name or default prefix. | |
template<class T > | |
bool | InsertWithPrefix (ParameterList &, string, T) const |
Insert parameter into name/value list with object name prefix. | |
bool | InsertWithPrefix (ParameterList &, const ParameterList &) const |
Insert parameters into name/value list with object name prefix. | |
Configurable & | operator= (const Configurable &) |
Assignment operator. | |
string | ParameterNameWithoutPrefix (const char *) const |
Get name of parameter without object name prefix. | |
string | ParameterNameWithPrefix (const string &) const |
Get name of parameter with default object name prefix. | |
string | ParameterNameWithPrefix (const char *) const |
Get name of parameter with default object name prefix. | |
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Observable () | |
Default constructor. | |
Observable (const Observable &) | |
Copy constructor. | |
Observable & | operator= (const Observable &) |
Assignment operator. | |
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template<typename... Args> | |
void | Throw (ErrorType err, const char *func, Args... args) const |
Additional Inherited Members | |
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enum | SubDomainEnum { SD_Image, SD_Lattice, SD_SubDiv, SD_Shifted } |
Enumeration of target image sub-domains on which to evaluate penalty. More... | |
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typedef ObjectFactory< enum EnergyMeasure, EnergyTerm > | FactoryType |
Type of energy term factory. | |
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static TransformationConstraint * | New (ConstraintMeasure, const char *="", double=1.0) |
Instantiate new transformation constraint of given kind. | |
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static FactoryType & | Factory () |
Get global energy term factory instance. | |
static EnergyTerm * | New (EnergyMeasure, const char *="", double=1.0) |
Construct new energy term. | |
static EnergyTerm * | TryNew (EnergyMeasure, const char *="", double=1.0) |
Construct new energy term or return nullptr if term not available. | |
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static const char * | NameOfType () |
Get name of this class type. | |
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template<typename... Args> | |
static void | ThrowStatic (ErrorType err, const char *cls, const char *func, Args... args) |
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Matrix * | _AdjJacobian |
Adjugate of Jacobian at each control point. | |
double * | _DetJacobian |
Determinant of Jacobian at each control point. | |
Array< Matrix > | _MatL2W |
Sub-domain lattice coordinates to world. | |
Array< Matrix > | _MatW2L |
World to sub-domain lattice coordinates. | |
int | _NumJacobian |
Number of allocated Jacobian matrices. | |
Array< ImageAttributes > | _SubDomains |
Discrete sub-domain over which to integrate penalty. | |
Constrains log of Jacobian determinant of FFD parameterization
This constraint is based on a penalty imposed by the squared logarithm of the Jacobian determinant. It strongly penalizes small and negative Jacobian determinant values, and slowly increases for large Jacobian determinant values. It therefore locally preserves volume because the penalty is zero only for a Jacobian determinant value of one. Volume increase is however less penalized than volume reduction.
By default, the Jacobian determinant of the spline function is penalised by this class. For a classic FFD model parameterized by control point displacements, this is identical to the VolumePreservationConstraint. For a velocity based model, the Jacobian of the velocity field is constraint.
Torsten Rohlfing and Calvin R. Maurer, Jr., Intensity-Based Non-rigid Registration Using Adaptive Multilevel Free-Form Deformation with an Incompressibility Constraint, MICCAI 2001.
Definition at line 53 of file LogJacobianConstraint.h.