#include <itkKLMSegmentationRegion.h>

Detailed Description

Base class for KLMSegmentationRegion object.

itkKLMSegmentationRegion is the base class for the KLMSegmentationRegion objects. It provides the basic function definitions that are inherent to KLMSegmentationRegion objects.

This object supports data handling of multiband images. The object accepts images in vector format, where each pixel is a vector and each element of the vector corresponds to an entry from 1 particular band of a multiband dataset.

We expect the user to provide the input to the routine in vector format. A single band image is treated as a vector image with a single element for every vector.

Data structure for a region: A region is defined as a closed area in the image that is surrounded by a list of borders objects (see itkKLMSegmentationBorder class).

Shown below is an initial two-dimensional 8x9 image with a 4x3 grid size partition. The initial region blocks are labelled in hexadecimal. Below the grid partition, the borders are shown as E, where C is an image pixel from the initial image. Note that each border is placed in between two regions. Each two-dimensional region is surrounded by four borders.

Initial regions of a 8 by 9 image with a 4 by 3 grid partition.

\[\begin{tabular}{|c|c|c|c|c|c|c|c|c|} \hline 1 & 1 & 1 & 2 & 2 & 2 & 3 & 3 & 3 \\ \hline 1 & 1 & 1 & 2 & 2 & 2 & 3 & 3 & 3 \\ \hline 4 & 4 & 4 & 5 & 5 & 5 & 6 & 6 & 6 \\ \hline 4 & 4 & 4 & 5 & 5 & 5 & 6 & 6 & 6 \\ \hline 7 & 7 & 7 & 8 & 8 & 8 & 9 & 9 & 9 \\ \hline 7 & 7 & 7 & 8 & 8 & 8 & 9 & 9 & 9 \\ \hline a & a & a & b & b & b & c & c & c \\ \hline a & a & a & b & b & b & c & c & c \\ \hline \end{tabular}\]

Region borders are shown as "E".

\[\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|} \hline C & C & C & & C & C & C & & C & C & C \\ \hline C & C & C & E & C & C & C & E & C & C & C \\ \hline & E & & & & E & & & & E & \\ \hline C & C & C & & C & C & C & & C & C & C \\ \hline C & C & C & E & C & C & C & E & C & C & C \\ \hline & E & & & & E & & & & E & \\ \hline C & C & C & & C & C & C & & C & C & C \\ \hline C & C & C & E & C & C & C & E & C & C & C \\ \hline & E & & & & E & & & & E & \\ \hline C & C & C & & C & C & C & & C & C & C \\ \hline C & C & C & E & C & C & C & E & C & C & C \\ \hline \end{tabular}\]

Definition at line 93 of file itkKLMSegmentationRegion.h.

Inheritance diagram for itk::KLMSegmentationRegion:

Collaboration diagram for itk::KLMSegmentationRegion:

Public Types
using	ConstPointer = SmartPointer< const Self >

using	MeanRegionIntensityType = vnl_vector< double >

using	Pointer = SmartPointer< Self >

using	RegionBorderVectorConstIterator = RegionBorderVectorType::const_iterator

using	RegionBorderVectorIterator = RegionBorderVectorType::iterator

using	RegionBorderVectorSizeType = RegionBorderVectorType::size_type

using	RegionBorderVectorType = std::vector< KLMSegmentationBorder * >

using	RegionLabelType = Superclass::RegionLabelType

using	Self = KLMSegmentationRegion

using	Superclass = SegmentationRegion

Public Types inherited from itk::SegmentationRegion
using	ConstPointer = SmartPointer< const Self >

using	Pointer = SmartPointer< Self >

using	RegionLabelType = unsigned int

using	Self = SegmentationRegion

using	Superclass = Object

Public Types inherited from itk::Object
using	ConstPointer = SmartPointer< const Self >

using	Pointer = SmartPointer< Self >

using	Self = Object

using	Superclass = LightObject

Public Types inherited from itk::LightObject
using	ConstPointer = SmartPointer< const Self >

using	Pointer = SmartPointer< Self >

using	Self = LightObject

Public Member Functions
void	CombineRegionParameters (const Self *region)

void	DeleteAllRegionBorders ()

void	DeleteRegionBorder (KLMSegmentationBorder *pBorderCandidate)

double	EnergyFunctional (const Self *region)

const char *	GetNameOfClass () const override

RegionBorderVectorConstIterator	GetRegionBorderConstItBegin ()

RegionBorderVectorConstIterator	GetRegionBorderConstItEnd ()

RegionBorderVectorIterator	GetRegionBorderItBegin ()

RegionBorderVectorIterator	GetRegionBorderItEnd ()

RegionBorderVectorSizeType	GetRegionBorderSize () const

void	InsertRegionBorder (KLMSegmentationBorder *pBorderCandidate)

void	InsertRegionBorder (RegionBorderVectorIterator RegionBorderVectorIt, KLMSegmentationBorder *pBorderCandidate)

void	PrintRegionInfo ()

void	PushBackRegionBorder (KLMSegmentationBorder *pBorderCandidate)

void	PushFrontRegionBorder (KLMSegmentationBorder *pBorderCandidate)

void	ResetRegionLabelAndUpdateBorders (Self *region)

void	SetRegionParameters (MeanRegionIntensityType meanRegionIntensity, double regionArea, RegionLabelType label)

void	UpdateRegionBorderLambda ()


virtual void	SetMeanRegionIntensity (MeanRegionIntensityType _arg)

virtual const MeanRegionIntensityType &	GetMeanRegionIntensity () const


void	SpliceRegionBorders (Self *region)

Public Member Functions inherited from itk::SegmentationRegion
virtual void	ApplySegmentationRegion ()

const char *	GetNameOfClass () const override

virtual void	SetRegionLabel (RegionLabelType _arg)

virtual const RegionLabelType &	GetRegionLabel () const

virtual void	SetRegionArea (double _arg)

virtual const double &	GetRegionArea () const

Public Member Functions inherited from itk::Object
unsigned long	AddObserver (const EventObject &event, Command *cmd) const

unsigned long	AddObserver (const EventObject &event, std::function< void(const EventObject &)> function) const

LightObject::Pointer	CreateAnother () const override

virtual void	DebugOff () const

virtual void	DebugOn () const

Command *	GetCommand (unsigned long tag)

bool	GetDebug () const

MetaDataDictionary &	GetMetaDataDictionary ()

const MetaDataDictionary &	GetMetaDataDictionary () const

virtual ModifiedTimeType	GetMTime () const

virtual const TimeStamp &	GetTimeStamp () const

bool	HasObserver (const EventObject &event) const

void	InvokeEvent (const EventObject &)

void	InvokeEvent (const EventObject &) const

virtual void	Modified () const

void	Register () const override

void	RemoveAllObservers ()

void	RemoveObserver (unsigned long tag) const

void	SetDebug (bool debugFlag) const

void	SetReferenceCount (int) override

void	UnRegister () const noexcept override

void	SetMetaDataDictionary (const MetaDataDictionary &rhs)

void	SetMetaDataDictionary (MetaDataDictionary &&rrhs)

virtual void	SetObjectName (std::string _arg)

virtual const std::string &	GetObjectName () const

Public Member Functions inherited from itk::LightObject
Pointer	Clone () const

virtual void	Delete ()

virtual int	GetReferenceCount () const

void	Print (std::ostream &os, Indent indent=0) const

Static Public Member Functions
static Pointer	New ()

Static Public Member Functions inherited from itk::SegmentationRegion
static Pointer	New ()

Static Public Member Functions inherited from itk::Object
static bool	GetGlobalWarningDisplay ()

static void	GlobalWarningDisplayOff ()

static void	GlobalWarningDisplayOn ()

static Pointer	New ()

static void	SetGlobalWarningDisplay (bool val)

Static Public Member Functions inherited from itk::LightObject
static void	BreakOnError ()

static Pointer	New ()

Protected Member Functions
	KLMSegmentationRegion ()

void	PrintSelf (std::ostream &os, Indent indent) const override

	~KLMSegmentationRegion () override

Protected Member Functions inherited from itk::SegmentationRegion
void	PrintSelf (std::ostream &os, Indent indent) const override

	SegmentationRegion ()

	~SegmentationRegion () override

Protected Member Functions inherited from itk::Object
	Object ()

bool	PrintObservers (std::ostream &os, Indent indent) const

virtual void	SetTimeStamp (const TimeStamp &timeStamp)

	~Object () override

Protected Member Functions inherited from itk::LightObject
virtual LightObject::Pointer	InternalClone () const

	LightObject ()

virtual void	PrintHeader (std::ostream &os, Indent indent) const

virtual void	PrintTrailer (std::ostream &os, Indent indent) const

virtual	~LightObject ()

Private Attributes
MeanRegionIntensityType	m_MeanRegionIntensity {}

RegionBorderVectorType	m_RegionBorderVector {}

Additional Inherited Members
Protected Attributes inherited from itk::LightObject
std::atomic< int >	m_ReferenceCount {}

Member Typedef Documentation

◆ ConstPointer

using itk::KLMSegmentationRegion::ConstPointer = SmartPointer<const Self>

Definition at line 102 of file itkKLMSegmentationRegion.h.

◆ MeanRegionIntensityType

using itk::KLMSegmentationRegion::MeanRegionIntensityType = vnl_vector<double>

Type definition for an double vector.

Definition at line 111 of file itkKLMSegmentationRegion.h.

◆ Pointer

using itk::KLMSegmentationRegion::Pointer = SmartPointer<Self>

Definition at line 101 of file itkKLMSegmentationRegion.h.

◆ RegionBorderVectorConstIterator

using itk::KLMSegmentationRegion::RegionBorderVectorConstIterator = RegionBorderVectorType::const_iterator

Type definition for the const region border vector iterators to be used.

Definition at line 123 of file itkKLMSegmentationRegion.h.

◆ RegionBorderVectorIterator

using itk::KLMSegmentationRegion::RegionBorderVectorIterator = RegionBorderVectorType::iterator

Type definition for the region border vector iterators to be used.

Definition at line 119 of file itkKLMSegmentationRegion.h.

◆ RegionBorderVectorSizeType

using itk::KLMSegmentationRegion::RegionBorderVectorSizeType = RegionBorderVectorType::size_type

Definition at line 116 of file itkKLMSegmentationRegion.h.

◆ RegionBorderVectorType

using itk::KLMSegmentationRegion::RegionBorderVectorType = std::vector<KLMSegmentationBorder *>

Type definition for vector container that stores the borders associated with a current region.

Definition at line 115 of file itkKLMSegmentationRegion.h.

◆ RegionLabelType

using itk::KLMSegmentationRegion::RegionLabelType = Superclass::RegionLabelType

type definition for the region label type.

Definition at line 126 of file itkKLMSegmentationRegion.h.

◆ Self

using itk::KLMSegmentationRegion::Self = KLMSegmentationRegion

Standard class type aliases.

Definition at line 99 of file itkKLMSegmentationRegion.h.

◆ Superclass

using itk::KLMSegmentationRegion::Superclass = SegmentationRegion

Definition at line 100 of file itkKLMSegmentationRegion.h.

Constructor & Destructor Documentation

◆ KLMSegmentationRegion()

itk::KLMSegmentationRegion::KLMSegmentationRegion ( )

protected

◆ ~KLMSegmentationRegion()

itk::KLMSegmentationRegion::~KLMSegmentationRegion ( )

overrideprotected

Member Function Documentation

◆ CombineRegionParameters()

void itk::KLMSegmentationRegion::CombineRegionParameters ( const Self * region )

Set the region with parameter values (mean and area) defining the region when merged with the new region.

◆ DeleteAllRegionBorders()

void itk::KLMSegmentationRegion::DeleteAllRegionBorders ( )

Delete all region borders in the border list.

◆ DeleteRegionBorder()

void itk::KLMSegmentationRegion::DeleteRegionBorder ( KLMSegmentationBorder * pBorderCandidate )

Delete a region border from the border list.

◆ EnergyFunctional()

double itk::KLMSegmentationRegion::EnergyFunctional ( const Self * region )

Compute the energy cost (mean squared difference scaled by area) that would result if this region is merged with another region.

◆ GetMeanRegionIntensity()

virtual const MeanRegionIntensityType& itk::KLMSegmentationRegion::GetMeanRegionIntensity ( ) const

virtual

Set/Get the mean pixel intensity in the region.

◆ GetNameOfClass()

const char* itk::KLMSegmentationRegion::GetNameOfClass ( ) const

overridevirtual

See also: LightObject::GetNameOfClass()

Reimplemented from itk::Object.

◆ GetRegionBorderConstItBegin()

RegionBorderVectorConstIterator itk::KLMSegmentationRegion::GetRegionBorderConstItBegin ( )

◆ GetRegionBorderConstItEnd()

RegionBorderVectorConstIterator itk::KLMSegmentationRegion::GetRegionBorderConstItEnd ( )

◆ GetRegionBorderItBegin()

RegionBorderVectorIterator itk::KLMSegmentationRegion::GetRegionBorderItBegin ( )

Get a head pointer to the vector container storing the borders associated with a region.

◆ GetRegionBorderItEnd()

RegionBorderVectorIterator itk::KLMSegmentationRegion::GetRegionBorderItEnd ( )

Get a tail pointer to the vector container storing the borders associated with a region.

◆ GetRegionBorderSize()

RegionBorderVectorSizeType itk::KLMSegmentationRegion::GetRegionBorderSize ( ) const

Get the number of borders in the vector container storing the borders associated with a region.

◆ InsertRegionBorder() [1/2]

void itk::KLMSegmentationRegion::InsertRegionBorder ( KLMSegmentationBorder * pBorderCandidate )

Insert a region border to the list, where position is unknown (sorting based on region labels is done to maintain consistency).

◆ InsertRegionBorder() [2/2]

void itk::KLMSegmentationRegion::InsertRegionBorder	(	RegionBorderVectorIterator	RegionBorderVectorIt,
		KLMSegmentationBorder *	pBorderCandidate
	)

Insert a region border into the border list at a given location.

◆ New()

static Pointer itk::KLMSegmentationRegion::New ( )

static

Method for creation through the object factory.

◆ PrintRegionInfo()

void itk::KLMSegmentationRegion::PrintRegionInfo ( )

Function to print the region parameters using std::cout.

◆ PrintSelf()

void itk::KLMSegmentationRegion::PrintSelf	(	std::ostream &	os,
		Indent	indent
	)		const

overrideprotectedvirtual

Methods invoked by Print() to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from itk::Object.

◆ PushBackRegionBorder()

void itk::KLMSegmentationRegion::PushBackRegionBorder ( KLMSegmentationBorder * pBorderCandidate )

Insert a region border to the back of the list.

◆ PushFrontRegionBorder()

void itk::KLMSegmentationRegion::PushFrontRegionBorder ( KLMSegmentationBorder * pBorderCandidate )

Insert a region border to the front of the list.

◆ ResetRegionLabelAndUpdateBorders()

void itk::KLMSegmentationRegion::ResetRegionLabelAndUpdateBorders ( Self * region )

Reset a region's label to that of the supplied region and update the regions borders to that of the supplied region.

◆ SetMeanRegionIntensity()

virtual void itk::KLMSegmentationRegion::SetMeanRegionIntensity ( MeanRegionIntensityType _arg )

virtual

Set/Get the mean pixel intensity in the region.

◆ SetRegionParameters()

void itk::KLMSegmentationRegion::SetRegionParameters	(	MeanRegionIntensityType	meanRegionIntensity,
		double	regionArea,
		RegionLabelType	label
	)

Set the region with parameter values defining the region.

◆ SpliceRegionBorders()

void itk::KLMSegmentationRegion::SpliceRegionBorders ( Self * region )

Splice the regions borders from the new region into the current region. If duplicate borders are found, the duplicate border region is not inserted into the new region borders list, rather, it has its pointers to region1 and region2 set to nullptr and Lambda set to -1.0.

For example, take an image with 3 regions A, B, C

\[\begin{tabular}{|c|c|} \hline A & A \\ \hline B & C \\ \hline \end{tabular}\]

where region A has region borders A-B and A-C; region B has region borders A-B and B-C; and region C has region borders A-C and B-C.

Suppose region border A-B has been removed, so that region B can be merged into region A. When splicing the region borders from A and B into the new region A, duplicate region borders A-C and A-C (one of which was formerly B-C) will be present. In this case, one of the region borders A-C is given the combined length of the two former borders and is put into the region borders list. The other is nullified by having its pointers to region1 and region2 set to nullptr and its Lambda value set to -1.0.

◆ UpdateRegionBorderLambda()

void itk::KLMSegmentationRegion::UpdateRegionBorderLambda ( )

Recalculate the Lambda values using EvaluateLambda() for all the borders defining the region.

Member Data Documentation

◆ m_MeanRegionIntensity

MeanRegionIntensityType itk::KLMSegmentationRegion::m_MeanRegionIntensity {}

private

Definition at line 246 of file itkKLMSegmentationRegion.h.

◆ m_RegionBorderVector

RegionBorderVectorType itk::KLMSegmentationRegion::m_RegionBorderVector {}