irtkSymmetricImageFreeFormRegistration Class Reference
#include <irtkSymmetricImageFreeFormRegistration.h>
Detailed Description
Filter for non-rigid registration based on voxel similarity measures.This class implements a registration filter for the non-rigid registration of two images. The basic algorithm is described in Rueckert et al., IEEE Transactions on Medical Imaging, In press.
Definition at line 26 of file irtkSymmetricImageFreeFormRegistration.h.
Public Member Functions | |
| irtkSymmetricImageFreeFormRegistration () | |
| Constructor. | |
| virtual void | SetOutput (irtkTransformation *, irtkTransformation *) |
| Set output for the registration filter. | |
| virtual const char * | NameOfClass () |
| Returns the name of the class. | |
| virtual void | Print () |
| Print some information. | |
| virtual void | GuessParameter () |
| Guess parameters. | |
| virtual Bool | Read (char *, char *, int &) |
| Read single line of registration parameters. | |
| virtual void | Write (ostream &) |
| Write registration parameters to file. | |
| virtual | SetMacro (DX, double) |
| virtual | GetMacro (DX, double) |
| virtual | SetMacro (DY, double) |
| virtual | GetMacro (DY, double) |
| virtual | SetMacro (DZ, double) |
| virtual | GetMacro (DZ, double) |
| virtual | SetMacro (SpeedupFactor, double) |
| virtual | GetMacro (SpeedupFactor, double) |
Protected Member Functions | |
| virtual void | Initialize () |
| Initial set up for the registration. | |
| virtual void | Initialize (int) |
| Initial set up for the registration. | |
| virtual void | Finalize () |
| Final set up for the registration. | |
| virtual void | Finalize (int) |
| Final set up for the registration. | |
| virtual double | SmoothnessPenalty () |
| Evaluates the smoothness preservation term. | |
| virtual double | SmoothnessPenalty (int) |
| Evaluates the smoothness term. | |
| virtual double | VolumePreservationPenalty () |
| Evaluates the volume preservation term. | |
| virtual double | VolumePreservationPenalty (int) |
| Evaluates the volume preservation term. | |
| virtual double | TopologyPreservationPenalty () |
| Evaluates the topology preservation term. | |
| virtual double | TopologyPreservationPenalty (int) |
| Evaluates the topology preservation term. | |
| virtual double | InverseConsistencyPenalty () |
| Evaluates the inverse consistency term. | |
| virtual double | InverseConsistencyPenalty (int) |
| Evaluates the topology preservation term. | |
| virtual double | Evaluate () |
| Evaluates the registration. | |
| virtual double | EvaluateDerivative1 (int, double) |
| Evaluates the registration. | |
| virtual double | EvaluateDerivative2 (int, double) |
| virtual double | EvaluateGradient (float, float *) |
| Evaluates the gradient of the similarity metric. | |
| virtual void | UpdateLUT () |
| Update lookup table. | |
Protected Attributes | |
| irtkBSplineFreeFormTransformation * | _affd1 |
| Pointer to the local transformation which is currently optimized. | |
| irtkBSplineFreeFormTransformation * | _affd2 |
| irtkMultiLevelFreeFormTransformation * | _mffd1 |
| Pointer to the global transformation which is constant. | |
| irtkMultiLevelFreeFormTransformation * | _mffd2 |
| irtkSimilarityMetric * | _tmp1MetricA |
| Used as temporary memory for metric. | |
| irtkSimilarityMetric * | _tmp1MetricB |
| irtkSimilarityMetric * | _tmp2MetricA |
| irtkSimilarityMetric * | _tmp2MetricB |
| float * | _mffdLookupTable1 |
| Used as lookup table for transformed coordinates up to level n-1. | |
| float * | _mffdLookupTable2 |
| float * | _affdLookupTable1 |
| Used as lookup table for transformed coordinates including level n. | |
| float * | _affdLookupTable2 |
| float * | _localLookupTable |
| Used as lookup table for the contribution of each control point. | |
| double | _Lambda1 |
| Smoothness parameter for non-rigid registration. | |
| double | _Lambda2 |
| Volume preservation parameter for non-rigid registration. | |
| double | _Lambda3 |
| Topology preservation parameter for non-rigid registration. | |
| double | _Lambda4 |
| Inverse consistency parameter for non-rigid registration. | |
| double | _DX |
| Control point spacing in the x-direction. | |
| double | _DY |
| Control point spacing in the y-direction. | |
| double | _DZ |
| Control point spacing in the z-direction. | |
| Bool | _Subdivision |
| Subdivide FFD between resolution levels. | |
| double | _SpeedupFactor |
| Speedup factor when calculating derivative. | |
Friends | |
| float | irtkFreeFormRegistration_Ptr2NRfunc (float *x) |
| Friend declaration of NR optimization routines. | |
| void | irtkFreeFormRegistration_Ptr2NRdfunc (float *x, float *dx) |
| Friend declaration of NR optimization routines. | |
Member Function Documentation
| virtual double irtkSymmetricImageFreeFormRegistration::SmoothnessPenalty | ( | ) | [protected, virtual] |
Evaluates the smoothness preservation term.
| virtual double irtkSymmetricImageFreeFormRegistration::SmoothnessPenalty | ( | int | ) | [protected, virtual] |
Evaluates the smoothness term.
| virtual double irtkSymmetricImageFreeFormRegistration::VolumePreservationPenalty | ( | ) | [protected, virtual] |
Evaluates the volume preservation term.
| virtual double irtkSymmetricImageFreeFormRegistration::VolumePreservationPenalty | ( | int | ) | [protected, virtual] |
Evaluates the volume preservation term.
| virtual double irtkSymmetricImageFreeFormRegistration::TopologyPreservationPenalty | ( | ) | [protected, virtual] |
Evaluates the topology preservation term.
| virtual double irtkSymmetricImageFreeFormRegistration::TopologyPreservationPenalty | ( | int | ) | [protected, virtual] |
Evaluates the topology preservation term.
| virtual double irtkSymmetricImageFreeFormRegistration::InverseConsistencyPenalty | ( | ) | [protected, virtual] |
Evaluates the inverse consistency term.
| virtual double irtkSymmetricImageFreeFormRegistration::InverseConsistencyPenalty | ( | int | ) | [protected, virtual] |
Evaluates the topology preservation term.
| virtual double irtkSymmetricImageFreeFormRegistration::Evaluate | ( | ) | [protected, virtual] |
Evaluates the registration.
This function evaluates the registration by looping over the target image and interpolating the transformed source image while filling the joint histogram. This function returns the value of the similarity measure using Similarity().
Implements irtkSymmetricImageRegistration.
| virtual double irtkSymmetricImageFreeFormRegistration::EvaluateDerivative1 | ( | int | , | |
| double | ||||
| ) | [protected, virtual] |
Evaluates the registration.
This function evaluates the registration by looping over the target image and interpolating the transformed source image while filling the joint histogram. This function returns the value of the similarity measure using Similarity(). This function uses the cached result of any previous call to Evaluate() and recalculates the similarity measure in the specified region of interest.
| virtual double irtkSymmetricImageFreeFormRegistration::EvaluateGradient | ( | float | , | |
| float * | ||||
| ) | [protected, virtual] |
Evaluates the gradient of the similarity metric.
This function evaluates the gradient of the similarity metric of the registration by looping over the target image and interpolating the transformed source image while filling the joint histogram. The partial derivatives are approximated using a finite difference scheme. The step size for the finite difference scheme is passed as a parameter to the function. The function returns the norm of the gradient vector as well as the gradient vector containing the partial derivatives.
Reimplemented from irtkSymmetricImageRegistration.
Member Data Documentation
float* irtkSymmetricImageFreeFormRegistration::_mffdLookupTable1 [protected] |
Used as lookup table for transformed coordinates up to level n-1.
This lookup table needs to be calculated only once for each image resolution level.
Definition at line 52 of file irtkSymmetricImageFreeFormRegistration.h.
float* irtkSymmetricImageFreeFormRegistration::_affdLookupTable1 [protected] |
Used as lookup table for transformed coordinates including level n.
This lookup table needs to be calculated each time a control point has been modified.
Definition at line 58 of file irtkSymmetricImageFreeFormRegistration.h.
float* irtkSymmetricImageFreeFormRegistration::_localLookupTable [protected] |
Used as lookup table for the contribution of each control point.
This lookup table needs to be calculated only once.
Definition at line 63 of file irtkSymmetricImageFreeFormRegistration.h.
The documentation for this class was generated from the following file:
- /vol/vipdata/irtk/packages/registration/include/irtkSymmetricImageFreeFormRegistration.h