GibbsEnergyComputer Class Reference

ODF lookuptable based energy computer. More...

#include <mitkGibbsEnergyComputer.h>

Inheritance diagram for GibbsEnergyComputer:

Collaboration diagram for GibbsEnergyComputer:

Public Types
typedef itk::Vector< float, QBALL_ODFSIZE >	OdfVectorType
typedef itk::Image< OdfVectorType, 3 >	ItkQBallImgType
typedef itk::Image< float, 3 >	ItkFloatImageType
typedef itk::Statistics::MersenneTwisterRandomVariateGenerator	ItkRandGenType
Public Types inherited from EnergyComputer
typedef itk::Image< float, 3 >	ItkFloatImageType
typedef itk::Statistics::MersenneTwisterRandomVariateGenerator	ItkRandGenType

Public Member Functions
	GibbsEnergyComputer (ItkQBallImgType *qballImage, ItkFloatImageType *mask, ParticleGrid *particleGrid, SphereInterpolator *interpolator, ItkRandGenType *randGen)
virtual	~GibbsEnergyComputer ()
float	ComputeExternalEnergy (vnl_vector_fixed< float, 3 > &R, vnl_vector_fixed< float, 3 > &N, Particle *dp) override
float	ComputeInternalEnergyConnection (Particle *p1, int ep1) override
float	ComputeInternalEnergyConnection (Particle *p1, int ep1, Particle *p2, int ep2) override
float	ComputeInternalEnergy (Particle *dp) override
float	EvaluateOdf (vnl_vector_fixed< float, 3 > &pos, vnl_vector_fixed< float, 3 > dir)
Public Member Functions inherited from EnergyComputer
	EnergyComputer (ItkFloatImageType *mask, ParticleGrid *particleGrid, SphereInterpolator *interpolator, ItkRandGenType *randGen)
void	SetParameters (float particleWeight, float particleWidth, float connectionPotential, float curvThres, float inexBalance, float particlePotential)
void	DrawRandomPosition (vnl_vector_fixed< float, 3 > &R)
int	GetNumActiveVoxels ()

Protected Attributes
ItkQBallImgType *	m_Image
Protected Attributes inherited from EnergyComputer
vnl_matrix_fixed< float, 3, 3 >	m_RotationMatrix
SphereInterpolator *	m_SphereInterpolator
ParticleGrid *	m_ParticleGrid
ItkRandGenType *	m_RandGen
ItkFloatImageType *	m_Mask
vnl_vector_fixed< int, 3 >	m_Size
vnl_vector_fixed< float, 3 >	m_Spacing
std::vector< float >	m_CumulatedSpatialProbability
std::vector< int >	m_ActiveIndices
bool	m_UseTrilinearInterpolation
int	m_NumActiveVoxels
float	m_ConnectionPotential
float	m_ParticleChemicalPotential
float	gamma_s
float	gamma_reg_s
float	m_ParticleWeight
float	m_ExtStrength
float	m_IntStrength
float	m_ParticleLength
float	m_SquaredParticleLength
float	m_CurvatureThreshold

Additional Inherited Members
Protected Member Functions inherited from EnergyComputer
float	SpatProb (vnl_vector_fixed< float, 3 > pos)
float	EvaluateOdf (vnl_vector_fixed< float, 3 > &pos, vnl_vector_fixed< float, 3 > dir)
float	mbesseli0 (float x)
float	mexp (float x)

Detailed Description

ODF lookuptable based energy computer.

Definition at line 18 of file mitkGibbsEnergyComputer.h.

Member Typedef Documentation

typedef itk::Image<float, 3> GibbsEnergyComputer::ItkFloatImageType

Definition at line 24 of file mitkGibbsEnergyComputer.h.

typedef itk::Image<OdfVectorType, 3> GibbsEnergyComputer::ItkQBallImgType

Definition at line 23 of file mitkGibbsEnergyComputer.h.

typedef itk::Statistics::MersenneTwisterRandomVariateGenerator GibbsEnergyComputer::ItkRandGenType

Definition at line 25 of file mitkGibbsEnergyComputer.h.

typedef itk::Vector<float, QBALL_ODFSIZE> GibbsEnergyComputer::OdfVectorType

Definition at line 22 of file mitkGibbsEnergyComputer.h.

Constructor & Destructor Documentation

GibbsEnergyComputer::GibbsEnergyComputer	(	ItkQBallImgType *	qballImage,
		ItkFloatImageType *	mask,
		ParticleGrid *	particleGrid,
		SphereInterpolator *	interpolator,
		ItkRandGenType *	randGen
	)

Definition at line 11 of file mitkGibbsEnergyComputer.cpp.

References m_Image.

GibbsEnergyComputer::~GibbsEnergyComputer ( )

virtual

Definition at line 18 of file mitkGibbsEnergyComputer.cpp.

Member Function Documentation

float GibbsEnergyComputer::ComputeExternalEnergy ( vnl_vector_fixed< float, 3 > &  R, vnl_vector_fixed< float, 3 > &  N, Particle *  dp  )

overridevirtual

Implements EnergyComputer.

Definition at line 127 of file mitkGibbsEnergyComputer.cpp.

References mitk::ParticleGrid::ComputeNeighbors(), EvaluateOdf(), EnergyComputer::gamma_reg_s, EnergyComputer::gamma_s, mitk::Particle::GetDir(), mitk::ParticleGrid::GetNextNeighbor(), mitk::Particle::GetPos(), EnergyComputer::m_ExtStrength, EnergyComputer::m_ParticleChemicalPotential, EnergyComputer::m_ParticleGrid, EnergyComputer::m_ParticleWeight, EnergyComputer::mbesseli0(), EnergyComputer::mexp(), and EnergyComputer::SpatProb().

float GibbsEnergyComputer::ComputeInternalEnergy ( Particle *  dp )

overridevirtual

Implements EnergyComputer.

Definition at line 156 of file mitkGibbsEnergyComputer.cpp.

References ComputeInternalEnergyConnection(), mitk::Particle::mID, and mitk::Particle::pID.

float GibbsEnergyComputer::ComputeInternalEnergyConnection ( Particle *  p1, int  ep1  )

overridevirtual

Implements EnergyComputer.

Definition at line 168 of file mitkGibbsEnergyComputer.cpp.

References mitk::ParticleGrid::GetParticle(), mitk::Particle::ID, EnergyComputer::m_ParticleGrid, mitk::Particle::mID, and mitk::Particle::pID.

Referenced by ComputeInternalEnergy().

float GibbsEnergyComputer::ComputeInternalEnergyConnection ( Particle *  p1, int  ep1, Particle *  p2, int  ep2  )

overridevirtual

Implements EnergyComputer.

Definition at line 189 of file mitkGibbsEnergyComputer.cpp.

References mitk::Particle::GetDir(), mitk::Particle::GetPos(), EnergyComputer::m_ConnectionPotential, EnergyComputer::m_CurvatureThreshold, EnergyComputer::m_IntStrength, EnergyComputer::m_ParticleLength, EnergyComputer::m_SquaredParticleLength, and EnergyComputer::SpatProb().

float GibbsEnergyComputer::EvaluateOdf	(	vnl_vector_fixed< float, 3 > &	pos,
		vnl_vector_fixed< float, 3 >	dir
	)

Definition at line 23 of file mitkGibbsEnergyComputer.cpp.

References SphereInterpolator::getInterpolation(), SphereInterpolator::idx, SphereInterpolator::interpw, m_Image, EnergyComputer::m_ParticleLength, EnergyComputer::m_RotationMatrix, EnergyComputer::m_Size, EnergyComputer::m_Spacing, EnergyComputer::m_SphereInterpolator, and EnergyComputer::m_UseTrilinearInterpolation.

Referenced by ComputeExternalEnergy().

Member Data Documentation

ItkQBallImgType* GibbsEnergyComputer::m_Image

protected

Definition at line 42 of file mitkGibbsEnergyComputer.h.

Referenced by EvaluateOdf(), and GibbsEnergyComputer().

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The documentation for this class was generated from the following files:

• mitkGibbsEnergyComputer.h
• mitkGibbsEnergyComputer.cpp