Detailed Description

FDK (Feldkamp-Davis-Kress) algorithm for cone-beam CT reconstruction.

Analytical reconstruction method using filtered backprojection for circular cone-beam geometry. Supports caching of filtered projections for efficiency.

Public Types
enum class	AdditionalWeights { None = 0 , Parker = 1 , Wang = 2 , ParkerAndWang = 3 }

Public Member Functions
	FDK (OptimizationProblem &problem)

virtual	~FDK () override
	Destructor.

void	configure (const Properties *p) override
	Set one or multiple properties.

void	configuration (Properties *p) const override
	Retrieve the properties of this object.

float	defaultInitValue () const override
	Return default initialization value for the current solver.

Public Member Functions inherited from Solver
	Solver (OptimizationProblem &problem)
	Default constructor.

	~Solver () override=0
	Destructor.

CT::Status	solve (Progress *p=nullptr)
	Solves a Problem.

const OptimizationProblem &	problem ()

const std::vector< std::unique_ptr< EventHandler > > &	eventHandlers ()

void	configure (const Properties *p) override
	Configure this object instance by de-serializing the given Properties.

void	configuration (Properties *p) const override
	Serialize the current object configuration into the given Properties object.

Public Member Functions inherited from Configurable
virtual void	configureDefaults ()
	Retrieve the properties of this object, replaces values with their defaults and sets it again.

void	registerParameter (ParameterBase *param)
	Register the given Parameter or SubProperty, so that it will be configured during configure()/configuration().

void	unregisterParameter (const ParameterBase *param)
	Remove the given Parameter or SubProperty from the list of registered parameters.

	Configurable (const Configurable &rhs)

	Configurable (Configurable &&rhs) noexcept

Configurable &	operator= (const Configurable &)

Configurable &	operator= (Configurable &&) noexcept

Public Member Functions inherited from SignalReceiver
	SignalReceiver ()=default
	Default constructor.

	SignalReceiver (const SignalReceiver &other)
	Copy constructor, does not copy any existing signal connections from other.

SignalReceiver &	operator= (SignalReceiver rhs)
	Assignment operator, disconnects all existing connections, does not copy any existing signal connections from rhs.

virtual	~SignalReceiver ()
	Virtual destructor disconnects from all connected signals.

Static Public Member Functions
static bool	isCompatible (const OptimizationProblem &problem)

Public Attributes
Parameter< int >	p_subsetSize = {"subsetSize", 100, *this}
	Process p_subsetSize elements individually, if -1 or 0 processes everything at once.

Parameter< int >	p_filterCacheMaxCost = {"filterCacheMaxCost", 0, *this}
	Size (in number of sotred objects) of cache.

Parameter< AdditionalWeights >	p_additionalWeights = {"additionalWeights", AdditionalWeights::None, *this}
	Additional weights after filtering.

Parameter< bool >	p_normalize = {"normalize", true, *this}
	If set to true the final reconstruction will be normlized with the number of rays passing through each voxel.

Public Attributes inherited from Solver
Parameter< bool >	p_cropFan = {"cropFan", false, *this}
	Whether to apply CropFan in the end of computation.

Parameter< bool >	p_forcePositivity = {"forcePositivity", false, *this}
	Whether to apply a positivity enforcement in the end of computation.

Public Attributes inherited from Configurable
Signal	signalParametersChanged
	Emitted whenever one of the registered Parameters' or SubPropertys' `signalValueChanged` signal was emitted.

Additional Inherited Members
Protected Member Functions inherited from SignalReceiver
void	disconnectAll ()
	Disconnects all existing connections.

Protected Attributes inherited from Solver
OptimizationProblem	m_problem
	View on the problem.

std::vector< std::unique_ptr< EventHandler > >	m_eventHandlers
	Event handlers.

Protected Attributes inherited from Configurable
std::vector< Param >	m_params
	List of all registered Parameter and SubProperty instances.

Member Enumeration Documentation

◆ AdditionalWeights

enum class AdditionalWeights

strong

Enumerator
None	No weights.

Member Function Documentation

◆ configure()

void configure ( const Properties * p )

overridevirtual

Set one or multiple properties.

Reimplemented from Configurable.

◆ configuration()

void configuration ( Properties * p ) const

overridevirtual

Retrieve the properties of this object.

Reimplemented from Configurable.

◆ defaultInitValue()

float defaultInitValue ( ) const

inlineoverridevirtual

Return default initialization value for the current solver.

Implements Solver.

Member Data Documentation

◆ p_filterCacheMaxCost

Parameter<int> p_filterCacheMaxCost = {"filterCacheMaxCost", 0, *this}

Size (in number of sotred objects) of cache.

Warning: this is set to 0 whenever p_subsetSize is not -1 or 0

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

ImFusion/CT/Solver/FDK.h

Detailed Description

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Additional Inherited Members