itk::kurtosis_fit_lsq_function Struct Reference

#include <itkDiffusionKurtosisReconstructionImageFilter.h>

Inheritance diagram for itk::kurtosis_fit_lsq_function:

Collaboration diagram for itk::kurtosis_fit_lsq_function:

Public Member Functions
	kurtosis_fit_lsq_function (unsigned int num_params, unsigned int num_measurements, UseGradient g=no_gradient)
	kurtosis_fit_lsq_function (unsigned int number_measurements)
void	initialize (vnl_vector< double > const &_meas, vnl_vector< double > const &_bvals)
void	use_bounds ()
void	set_fit_logscale (bool flag)
void	set_K_bounds (const vnl_vector_fixed< double, 2 > k_bounds)
virtual void	f (const vnl_vector< double > &x, vnl_vector< double > &fx)

Protected Member Functions
double	Diff (double x1, double x2, double b)
virtual double	M (vnl_vector< double > const &x, unsigned int idx)
virtual double	penalty_term (vnl_vector< double > const &x)

Protected Attributes
bool	m_use_bounds
bool	m_use_logscale
bool	m_skip_fit
vnl_vector< double >	kurtosis_upper_bounds
vnl_vector< double >	kurtosis_lower_bounds
vnl_vector< double >	meas
vnl_vector< double >	bvalues

Detailed Description

Definition at line 39 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Constructor & Destructor Documentation

itk::kurtosis_fit_lsq_function::kurtosis_fit_lsq_function ( unsigned int  num_params, unsigned int  num_measurements, UseGradient  g = no_gradient  )

inline

full lsq_function constructor

Definition at line 44 of file itkDiffusionKurtosisReconstructionImageFilter.h.

itk::kurtosis_fit_lsq_function::kurtosis_fit_lsq_function ( unsigned int  number_measurements )

inline

simplified constructor for the 2-parameters fit

Definition at line 52 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Member Function Documentation

double itk::kurtosis_fit_lsq_function::Diff ( double  x1, double  x2, double  b  )

inlineprotected

Formula for diffusion term, use for internal computations

Definition at line 124 of file itkDiffusionKurtosisReconstructionImageFilter.h.

References m_use_logscale.

Referenced by M(), and itk::kurtosis_fit_omit_unweighted::M().

virtual void itk::kurtosis_fit_lsq_function::f ( const vnl_vector< double > &  x, vnl_vector< double > &  fx  )

inlinevirtual

Definition at line 110 of file itkDiffusionKurtosisReconstructionImageFilter.h.

References M(), meas, MITK_DEBUG, and penalty_term().

void itk::kurtosis_fit_lsq_function::initialize ( vnl_vector< double > const &  _meas, vnl_vector< double > const &  _bvals  )

inline

Initialize the function by setting measurements and the corresponding b-values

Definition at line 58 of file itkDiffusionKurtosisReconstructionImageFilter.h.

References bvalues, mitk::eps, m_skip_fit, m_use_logscale, and meas.

virtual double itk::kurtosis_fit_lsq_function::M ( vnl_vector< double > const &  x, unsigned int  idx  )

inlineprotectedvirtual

The fitting measurement function, has to be reimplemented in the classes

Reimplemented in itk::kurtosis_fit_omit_unweighted.

Definition at line 135 of file itkDiffusionKurtosisReconstructionImageFilter.h.

References bvalues, Diff(), m_use_logscale, and meas.

Referenced by f().

virtual double itk::kurtosis_fit_lsq_function::penalty_term ( vnl_vector< double > const &  x )

inlineprotectedvirtual

Penalty term on D and K during fitting, make sure the vector that is passed in contains (D, K) in this ordering

Definition at line 148 of file itkDiffusionKurtosisReconstructionImageFilter.h.

References kurtosis_lower_bounds, kurtosis_upper_bounds, m_use_bounds, and MITK_DEBUG.

Referenced by f().

void itk::kurtosis_fit_lsq_function::set_fit_logscale ( bool  flag )

inline

Definition at line 95 of file itkDiffusionKurtosisReconstructionImageFilter.h.

References m_use_logscale.

Referenced by FitSingleVoxel().

void itk::kurtosis_fit_lsq_function::set_K_bounds ( const vnl_vector_fixed< double, 2 >  k_bounds )

inline

Definition at line 100 of file itkDiffusionKurtosisReconstructionImageFilter.h.

References kurtosis_lower_bounds, kurtosis_upper_bounds, and use_bounds().

void itk::kurtosis_fit_lsq_function::use_bounds ( )

inline

use penalty terms on fitting to force the parameters stay within the default bounds

Definition at line 85 of file itkDiffusionKurtosisReconstructionImageFilter.h.

References kurtosis_lower_bounds, kurtosis_upper_bounds, and m_use_bounds.

Referenced by set_K_bounds().

Member Data Documentation

vnl_vector<double> itk::kurtosis_fit_lsq_function::bvalues

protected

Definition at line 188 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Referenced by initialize(), M(), and itk::kurtosis_fit_omit_unweighted::M().

vnl_vector<double> itk::kurtosis_fit_lsq_function::kurtosis_lower_bounds

protected

Definition at line 185 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Referenced by penalty_term(), set_K_bounds(), and use_bounds().

vnl_vector<double> itk::kurtosis_fit_lsq_function::kurtosis_upper_bounds

protected

Definition at line 184 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Referenced by penalty_term(), set_K_bounds(), and use_bounds().

bool itk::kurtosis_fit_lsq_function::m_skip_fit

protected

Definition at line 182 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Referenced by initialize().

bool itk::kurtosis_fit_lsq_function::m_use_bounds

protected

Definition at line 178 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Referenced by penalty_term(), and use_bounds().

bool itk::kurtosis_fit_lsq_function::m_use_logscale

protected

Definition at line 180 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Referenced by Diff(), initialize(), M(), itk::kurtosis_fit_omit_unweighted::M(), and set_fit_logscale().

vnl_vector<double> itk::kurtosis_fit_lsq_function::meas

protected

Definition at line 187 of file itkDiffusionKurtosisReconstructionImageFilter.h.

Referenced by f(), initialize(), and M().

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The documentation for this struct was generated from the following file:

• itkDiffusionKurtosisReconstructionImageFilter.h