GlSweepCompounding Class Reference

#include <ImFusion/US/GlSweepCompounding.h>

Algorithm to reconstruct a voxel-based 3D volume from an UltrasoundSweep. More...

Inheritance diagram for GlSweepCompounding:

Detailed Description

Algorithm to reconstruct a voxel-based 3D volume from an UltrasoundSweep.

Note

The term "compounding" is used with different meanings in the medical imaging and ultrasound communities. This algorithm performs a 3D volume reconstruction, not a combination of multiple ultrasound transmissions as typically done in plane wave imaging!

The algorithm internally uses GlSweepReconstruction for the actual reconstruction. GPU_BACKWARD is mapped to BACKWARD_COMPOUNDING, the other modes are mapped to ORTHOGONAL with different settings of setNearestNeighbor. See GlSweepReconstruction for more details.

This algorithm can operate in different modes:

• no individual compounding, no container image (default): All input sweeps are compounded into a single new output volume; output volume dimensions and orientation are chosen by the algorithm based on several heuristics.
• individual compounding enabled, no container image: Each input sweep is compounded into a separate new output volume; output volumes' dimensions and orientation are chosen by algorithm based on several heuristics.
• no individual compounding, with container image: All input sweeps are compounded into a the single given reference volume, which specifies volume dimensions and orientation.

Public Types
enum class	Mode {   GPU = 0 , GPU_NEAREST = 1 , GPU_BACKWARD = 8 , Reserved1 = 2 ,   Reserved2 = 3 , Reserved3 = 4 , Reserved4 = 5 , Reserved5 = 6 ,   Reserved6 = 7 }
	Compounding method. More...
enum class	BoundingBoxMode { GlobalCoordinates = 0 , FrameNormal = 1 , HeuristicAlignment = 2 , FitBoundingBox = 3 }
	Bounding box calculation mode. More...
Public Types inherited from Algorithm
enum	Status {   Unknown = -1 , Success = 0 , Error = 1 , InvalidInput ,   IncompleteInput , OutOfMemoryHost , OutOfMemoryGPU , UnsupportedGPU ,   UnknownAction , AbortedByUser , User = 1000 }
	Status codes. More...

Public Member Functions
	GlSweepCompounding (UltrasoundSweep &us)
	GlSweepCompounding (const std::vector< UltrasoundSweep * > &sweeps)
	Constructor with multiple sweeps.
void	setMode (Mode mode)
	Set compounding mode.
int	memoryLimit () const
	Returns the OpenGL video memory limit in MB for the compounded volume, ignored if <= 0.
void	setMemoryLimit (int value)
	Sets the OpenGL video memory limit in MB for the compounded volume, ignored if <= 0.
void	setSpacing (double val)
	Set custom isotropic voxel spacing for the output volume.
void	setFrameThickness (double thicknessMm)
	Set the slice thickness (mm) in GPU backward compounding mode; set to 0 to use automatic setting.
void	setBackgroundIntensity (double val)
	Set the intensity value of background.
void	setMaximumBlendingDistance (std::optional< double > maxBlendingDistance)
	Sets the distance over which the compounded sweep is blurred (default is no distance blending) - set to nullopt for no distance blending.
void	setBoundingBoxMode (BoundingBoxMode bbm)
	Specify the method for the bounding box calculation.
void	setContainerImage (SharedImageSet *ref)
	Set a container image to be used during compounding to reconstruct the volume into.
void	setIndividualCompoundings (bool value)
	If true, each sweep will be compounded into its own volume; otherwise, they will be combined into a single one.
void	setVerbose (bool value)
	Set whether to perform verbose logging.
void	compute () override
	Execute the algorithm.
OwningDataList	takeOutput () override
	Return any new Data that was created by the Algorithm during the last call to compute().
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 Algorithm
	Algorithm ()
	Default constructor will registers a single "compute" action that calls compute() and returns status().
virtual void	setProgress (Progress *progress)
	Sets a Progress interface the algorithm can use to notify observers about its computing progress.
Progress *	progress () const
	Returns the progress interface if set.
virtual int	status () const
	Indicates the status of the last call to compute().
virtual bool	survivesDataDeletion (const Data *) const
	Indicates whether the algorithm can handle (partial) deletion of the specified data, by default this checks whether the data is in the input list.
const FactoryInfo &	factoryInfo () const
	Returns the record describing how this Algorithm was instantiated by the AlgorithmFactory.
void	setFactoryInfo (const FactoryInfo &value)
	Sets the record describing how this Algorithm was instantiated by the AlgorithmFactory.
Status	runAction (const std::string &id)
	Run the action with name id if it exists.
const std::vector< Action > &	actions ()
	Get a mapping from Action id to Action as registered in this algorithm.
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

Static Public Member Functions
static bool	createCompatible (const DataList &data, Algorithm **a=nullptr)
Static Public Member Functions inherited from Algorithm
static bool	createCompatible (const DataList &data, Algorithm **a=nullptr)
	Factory function to check algorithm compatibility with input data and optionally instantiate it.

Additional Inherited Members
Public Attributes inherited from Algorithm
Signal	signalOutputChanged
	Signal should be emitted by Algorithms when their output/result has changed.
Signal	signalParametersChanged
	Signal should be emitted by Algorithms when their parameter configuration has changed.
Public Attributes inherited from Configurable
Signal	signalParametersChanged
	Emitted whenever one of the registered Parameters' or SubPropertys' signalValueChanged signal was emitted.
Protected Member Functions inherited from Algorithm
void	loadDefaults ()
void	registerAction (const std::string &id, const std::string &guiName, const std::function< Algorithm::Status(void)> &action)
	Register an action to be run via runAction.
template<typename D>
void	registerAction (const std::string &id, const std::string &guiName, Algorithm::Status(D::*action)(void))
	Template version of runAction that can be used with a pointer to a member function.
void	registerAction (const Action &action)
	Register an action.
Protected Attributes inherited from Algorithm
std::string	m_name
	Algorithm name.
Progress *	m_progress = nullptr
	Non-owing pointer to a progress interface. May be a nullptr.
FactoryInfo	m_factoryInfo = {}
	Record describing how this algorithm was instantiated by the AlgorithmFactory.
int	m_status = Status::Unknown
	Algorithm status after last call to compute()
std::vector< Action >	m_actions
	Map of key given by the id of the action, of the available actions of this algorithm.
Protected Attributes inherited from Configurable
std::vector< Param >	m_params
	List of all registered Parameter and SubProperty instances.

Member Enumeration Documentation

Mode

enum class Mode

strong

Compounding method.

Enumerator
GPU	GPU-based direct compounding scheme with linear interpolation.
GPU_NEAREST	GPU-based direct compounding scheme with nearest neighbor interpolation.
GPU_BACKWARD	GPU-based high-quality backward compounding scheme with linear interpolation.
Reserved1	Previously supported mode, reserved the enum value. Do not use.
Reserved2	Previously supported mode, reserved the enum value. Do not use.
Reserved3	Previously supported mode, reserved the enum value. Do not use.
Reserved4	Previously supported mode, reserved the enum value. Do not use.
Reserved5	Previously supported mode, reserved the enum value. Do not use.
Reserved6	Previously supported mode, reserved the enum value. Do not use.

BoundingBoxMode

enum class BoundingBoxMode

strong

Bounding box calculation mode.

Enumerator
GlobalCoordinates	Bounding box in global coordinates.
FrameNormal	Mean frame normal vector.
HeuristicAlignment	Combination of frame normal and PCA of center points.
FitBoundingBox	Fitted minimal bounding box.

Member Function Documentation

setSpacing()

void setSpacing ( double val )

inline

Set custom isotropic voxel spacing for the output volume.

If set to zero, the optimal spacing is automatically derived from the pixel spacing of the input slice data.

setContainerImage()

void setContainerImage

(

SharedImageSet *

ref

)

Set a container image to be used during compounding to reconstruct the volume into.

If no container image is set, a new output volume will be created.

compute()

void compute ( )

overridevirtual

Execute the algorithm.

Implements Algorithm.

takeOutput()

OwningDataList takeOutput ( )

overridevirtual

Return any new Data that was created by the Algorithm during the last call to compute().

The default implementation will return an empty list.

Note

Since ownership of the data is transferred, you can call this method only once between calls to compute().

Reimplemented from Algorithm.

configure()

void configure ( const Properties * p )

overridevirtual

Configure this object instance by de-serializing the given Properties.

The default implementation will do so automatically for all registered Parameter and SubProperty instances.

See also

configuration() for the inverse functionality

Reimplemented from Configurable.

configuration()

void configuration ( Properties * p ) const

overridevirtual

Serialize the current object configuration into the given Properties object.

The default implementation will do so automatically for all registered Parameter and SubProperty instances.

See also

configure() for the inverse functionality

Reimplemented from Configurable.

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

• ImFusion/US/GlSweepCompounding.h