Hough space used for 2d Hough transformations. More...

#include <CHoughSpace2d.h>

Inheritance diagram for ialgo::CHoughSpace2d:

Collaboration diagram for ialgo::CHoughSpace2d:

Public Types
typedef iimg::CGeneralBitmap	BaseClass

typedef TSimpleSpaceResultConsumer< 2 >	StdConsumer

Public Types inherited from iimg::CBitmapBase
typedef i2d::CObject2dBase	BaseClass

Public Types inherited from i2d::IObject2d
enum	ChangeFlags { CF_OBJECT_POSITION = 0x6ba340 }

Public Types inherited from istd::IChangeable
enum	ChangeFlags { CF_ICF_INTERNAL = 0 , CF_ALL_DATA , CF_ANY , CF_DESTROYING , CF_DELEGATED , CF_NO_UNDO }
	Data model change notification flags. More...

enum	SupportedOperations { SO_NONE = 0 , SO_OBSERVE = 1 << 0 , SO_COPY = 1 << 1 , SO_CLONE = 1 << 2 , SO_COMPARE = 1 << 3 , SO_RESET = 1 << 4 , SO_CHANGE_LOCK = 1 << 5 }
	Flags for supported operations. More...

enum	CompatibilityMode { CM_STRICT , CM_WITHOUT_REFS , CM_WITH_REFS , CM_CONVERT }
	Control how relationship betweeen objects are interpreted. More...

Public Types inherited from iimg::IBitmap
enum	PixelFormat { PF_UNKNOWN = 0 , PF_MONO , PF_GRAY , PF_RGB , PF_RGBA , PF_RGB24 , PF_GRAY16 , PF_GRAY32 , PF_FLOAT32 , PF_FLOAT64 , PF_XYZ32 , PF_XY32 , PF_USER = 256 }
	Bitmap pixel format description. More...

Public Types inherited from ialgo::TIHoughSpace< 2 >
enum	ExtensionMode
	Describe how the space is extended, it means how the area outside of space should be interpreted. More...

Public Member Functions
	CHoughSpace2d ()

	CHoughSpace2d (const istd::CIndex2d &size, bool isWrappedX=false, bool isWrappedY=false)

bool	CreateHoughSpace (const istd::CIndex2d &size, bool isWrappedX, bool isWrappedY, bool isFloatSpace)

void	SetDimensionWrapped (int dimensionIndex, bool state)
	Set if this space to be wrapped horizontaly or not.

template<typename Operation >
void	ApplyOperation (Operation operation)
	Apply some operation to each element.

template<typename Operation >
void	CombineWithSpace (const CHoughSpace2d &space, Operation operation)
	Combine this space with some other space.

virtual istd::TIndex< 2 >	GetSpaceSize () const
	Get size of this Hough space.

virtual bool	CreateHoughSpace (const istd::TIndex< 2 > &size, const double &initValue=0)

virtual bool	IsDimensionWrapped (int dimensionIndex) const
	Check if this space is wrapped horizontaly, it means the the left pixel is neighbour of the right one.

virtual ExtensionMode	GetExtensionMode (int dimensionIndex) const
	Get extension mode for single dimension.

virtual void	IncreaseValueAt (const imath::TVector< 2 > &position, double value)

virtual void	SmoothHoughSpace (const istd::TIndex< 2 > &iterations)

virtual bool	AnalyseHoughSpace (const double &minValue, ResultsConsumer &resultProcessor) const
	Analyse this Hough space to find set of local maximums.

virtual bool	ExtractToBitmap (iimg::IBitmap &bitmap) const
	Extract this Hough space to some gray scale bitmap.

virtual bool	GetSpacePosition (const imath::TVector< 2 > &position, imath::TVector< 2 > &result) const

virtual double	GetSpaceDistance (const imath::TVector< 2 > &position1, const imath::TVector< 2 > &position2) const

virtual double	GetSpaceDistance2 (const imath::TVector< 2 > &position1, const imath::TVector< 2 > &position2) const

virtual bool	CreateBitmap (PixelFormat pixelFormat, const istd::CIndex2d &size, int pixelBitsCount=0, int componentsCount=0)
	Create bitmap with specified size and format.

virtual bool	CreateBitmap (PixelFormat pixelFormat, const istd::CIndex2d &size, istd::COptMemory &&data, int linesDifference=0)
	Create bitmap with specified size and format using external image data buffer.

Public Member Functions inherited from iimg::CGeneralBitmap
	CGeneralBitmap ()

	CGeneralBitmap (const CGeneralBitmap &bitmap)

bool	IsFormatSupported (PixelFormat pixelFormat) const override
	Get `true` if the pixel format is supported by the bitmap implementation.

PixelFormat	GetPixelFormat () const override
	Get the bitmap's pixel format.

int	GetLinesDifference () const override
	Get address difference between next and previous line.

int	GetPixelsDifference () const override
	Get address difference between next and previous pixel.

int	GetPixelBitsCount () const override
	Get total number of bits per single pixel.

const void *	GetLinePtr (int positionY) const override
	Get pointer to buffer for single line.

void *	GetLinePtr (int positionY) override
	Get pointer to buffer for single line.

void	ResetImage () override
	Reset this image.

void	ClearImage () override
	Cleat this image.

istd::CIndex2d	GetImageSize () const override
	Get size of this raster image.

int	GetComponentsCount () const override
	Get number of color components.

int	GetSupportedOperations () const override
	Get set of flags for supported operations.

bool	CopyFrom (const istd::IChangeable &object, CompatibilityMode mode=CM_WITHOUT_REFS) override
	Copy this object from another one.

std::unique_ptr< istd::IChangeable >	CloneMe (CompatibilityMode mode=CM_WITHOUT_REFS) const override
	Make a copy of this object.

CGeneralBitmap &	operator= (const CGeneralBitmap &bitmap)

CGeneralBitmap &	operator= (CGeneralBitmap &&bitmap)

bool	operator== (const CGeneralBitmap &bitmap) const

bool	operator!= (const CGeneralBitmap &bitmap) const

Public Member Functions inherited from iimg::CBitmapBase
virtual bool	CreateImageFromRegion (const iimg::IBitmap &sourceBitmap, const i2d::CRect &region)

i2d::CVector2d	GetCenter () const override
	Returns center of this 2D-object.

void	MoveCenterTo (const i2d::CVector2d &position) override
	Move object to position `position`.

i2d::CRectangle	GetBoundingBox () const override
	Get bounding box of this shape.

int	GetLineBytesCount () const override
	Number of bytes per single line.

int	GetComponentBitsCount (int componentIndex=0) const override
	Get number of bits per single pixel component.

bool	IsEmpty () const override
	Return true if this image is empty.

icmm::CVarColor	GetColorAt (const istd::CIndex2d &position) const override
	Get color at specified pixel.

bool	SetColorAt (const istd::CIndex2d &position, const icmm::CVarColor &color) override
	Set color at specified pixel.

bool	Serialize (iser::IArchive &archive) override
	Load or store state of this object as a archive stream.

bool	ResetData (CompatibilityMode mode=CM_WITHOUT_REFS) override
	Reset data to its default state.

Public Member Functions inherited from i2d::CObject2dBase
	CObject2dBase ()

	CObject2dBase (const CObject2dBase &object2d)

	CObject2dBase (CObject2dBase &&object2d)

const ICalibration2d *	GetCalibration () const override
	Get access to transformation object, which transforms a local logical coordinate system to global one.

void	SetCalibration (istd::TOptDelPtr< const ICalibration2d > &&calibrationPtr) override
	Set calibration of this object.

bool	Transform (const ITransformation2d &transformation, ITransformation2d::ExactnessMode mode=ITransformation2d::EM_NONE, double *errorFactorPtr=nullptr) override
	Transform this object using some transformation.

bool	InvTransform (const ITransformation2d &transformation, ITransformation2d::ExactnessMode mode=ITransformation2d::EM_NONE, double *errorFactorPtr=nullptr) override
	Do inverse transformation of this object.

bool	GetTransformed (const ITransformation2d &transformation, IObject2d &result, ITransformation2d::ExactnessMode mode=ITransformation2d::EM_NONE, double *errorFactorPtr=nullptr) const override
	Calulate transformation of the object into second one.

bool	GetInvTransformed (const ITransformation2d &transformation, IObject2d &result, ITransformation2d::ExactnessMode mode=ITransformation2d::EM_NONE, double *errorFactorPtr=nullptr) const override
	Calulate inverse transformation of the object into second one.

bool	CopyFrom (const istd::IChangeable &object, CompatibilityMode mode=CM_WITHOUT_REFS) override
	Copy this object from another one.

bool	ResetData (CompatibilityMode mode=CM_WITHOUT_REFS) override
	Reset data to its default state.

CObject2dBase &	operator= (const CObject2dBase &object2d)

CObject2dBase &	operator= (CObject2dBase &&object2d)

Public Member Functions inherited from i2d::IObject2d
Public Member Functions inherited from iser::IObject
virtual QByteArray	GetFactoryId () const

Public Member Functions inherited from iser::ISerializable
virtual quint32	GetMinimalVersion (int versionId) const
	Get minimal needed version to correct storing of this data.

Public Member Functions inherited from istd::IChangeable
virtual bool	IsEqual (const IChangeable &object) const
	Compare this object with another object.

virtual QMutex *	GetChangesLock () const
	Get mutex beeing locked during changes, if available.

virtual void	BeginChanges (const ChangeSet &changeSet)
	Starts the change transaction.

virtual void	EndChanges (const ChangeSet &changeSet)
	Ends the change transaction.

virtual void	BeginChangeGroup (const ChangeSet &changeSet)
	Starts group of changes.

virtual void	EndChangeGroup (const ChangeSet &changeSet)
	Ends group of changes.

Public Member Functions inherited from i2d::ICalibration2dProvider
Public Member Functions inherited from iimg::IBitmap
Public Member Functions inherited from iimg::IRasterImage
Public Member Functions inherited from ialgo::TIHoughSpace< 2 >
virtual bool	CreateHoughSpace (const istd::TIndex< Dimensions > &size, const double &initValue=0)=0
	Create Hough space with specified size.

virtual void	IncreaseValueAt (const imath::TVector< Dimensions > &position, double value)=0
	Increase the value at specified position.

virtual void	SmoothHoughSpace (const istd::TIndex< Dimensions > &iterations)=0
	Smooth this space with specified stronness.

virtual bool	GetSpacePosition (const imath::TVector< Dimensions > &position, imath::TVector< Dimensions > &result) const=0
	Get position in space for some input.

virtual double	GetSpaceDistance (const imath::TVector< Dimensions > &position1, const imath::TVector< Dimensions > &position2) const=0
	Get distance between two hough space positions considering the space wrapping.

virtual double	GetSpaceDistance2 (const imath::TVector< Dimensions > &position1, const imath::TVector< Dimensions > &position2) const=0
	Get square of distance between two hough space positions considering the space wrapping.

Additional Inherited Members
Static Public Member Functions inherited from istd::IChangeable
static const ChangeSet &	GetNoChanges ()
	Get empty set of changes.

static const ChangeSet &	GetAnyChange ()
	Get anonymous change set.

static const ChangeSet &	GetAllChanges ()
	Get anonymous change set.

static const ChangeSet &	GetDelegatedChanges ()
	Get delegated change set.

Protected Member Functions inherited from iimg::CGeneralBitmap
virtual bool	CreateBitmapInternal (const istd::CIndex2d &size, int pixelBitsCount, int componentsCount, PixelFormat pixelFormat)
	Create bitmap with specified size, number of bits per pixel and components number per pixel.

virtual bool	CreateBitmapInternal (const istd::CIndex2d &size, istd::COptMemory &&data, int linesDifference, int pixelBitsCount, int componentsCount, PixelFormat pixelFormat)
	Create bitmap using external image buffer.

Protected Member Functions inherited from istd::IChangeable
virtual void	OnBeginChanges ()
	Callback function for begin change event.

virtual void	OnEndChanges (const ChangeSet &changeSet)
	Callback function for end change event.

Static Protected Attributes inherited from i2d::CObject2dBase
static const ChangeSet	s_objectMovedChange

static const ChangeSet	s_objectModifiedChange

Detailed Description

Hough space used for 2d Hough transformations.

Definition at line 29 of file CHoughSpace2d.h.

Member Typedef Documentation

◆ BaseClass

iimg::CGeneralBitmap ialgo::CHoughSpace2d::BaseClass

Definition at line 34 of file CHoughSpace2d.h.

◆ StdConsumer

TSimpleSpaceResultConsumer<2> ialgo::CHoughSpace2d::StdConsumer

Definition at line 36 of file CHoughSpace2d.h.

Constructor & Destructor Documentation

◆ CHoughSpace2d() [1/2]

ialgo::CHoughSpace2d::CHoughSpace2d ( )

◆ CHoughSpace2d() [2/2]

ialgo::CHoughSpace2d::CHoughSpace2d	(	const istd::CIndex2d &	size,
		bool	isWrappedX = false,
		bool	isWrappedY = false )

Member Function Documentation

◆ AnalyseHoughSpace()

virtual bool ialgo::CHoughSpace2d::AnalyseHoughSpace	(	const double &	minValue,
		ResultsConsumer &	resultProcessor ) const

virtual

Analyse this Hough space to find set of local maximums.

Parameters

minValue	minimal value of hough at point.
resultProcessor	will be called for each maximum.

Implements ialgo::TIHoughSpace< 2 >.

◆ ApplyOperation()

template<typename Operation >

void ialgo::CHoughSpace2d::ApplyOperation ( Operation operation )

Apply some operation to each element.

Definition at line 119 of file CHoughSpace2d.h.

References iimg::CGeneralBitmap::GetImageSize(), iimg::CGeneralBitmap::GetLinePtr(), iimg::CGeneralBitmap::GetPixelFormat(), istd::CIndex2d::GetX(), istd::CIndex2d::GetY(), iimg::IBitmap::PF_FLOAT32, and iimg::IBitmap::PF_GRAY32.

◆ CombineWithSpace()

template<typename Operation >

void ialgo::CHoughSpace2d::CombineWithSpace	(	const CHoughSpace2d &	space,
		Operation	operation )

Combine this space with some other space.

Definition at line 144 of file CHoughSpace2d.h.

References iimg::CGeneralBitmap::GetImageSize(), iimg::CGeneralBitmap::GetLinePtr(), iimg::CGeneralBitmap::GetPixelFormat(), istd::CIndex2d::GetX(), istd::CIndex2d::GetY(), iimg::IBitmap::PF_FLOAT32, and iimg::IBitmap::PF_GRAY32.

◆ CreateBitmap() [1/2]

virtual bool ialgo::CHoughSpace2d::CreateBitmap	(	PixelFormat	pixelFormat,
		const istd::CIndex2d &	size,
		int	pixelBitsCount = 0,
		int	componentsCount = 0 )

virtual

Create bitmap with specified size and format.

Parameters

pixelFormat bitmap format.

See also: PixelFormat

Parameters

size	bitmap size.
pixelBitsCount	bits per pixel. Default value `0` means that the number of bits per pixel is defined by format specification.
componentsCount	components per pixel. Default value `0` means that the number of bits per pixel is defined by format specification.

Reimplemented from iimg::CGeneralBitmap.

◆ CreateBitmap() [2/2]

virtual bool ialgo::CHoughSpace2d::CreateBitmap	(	PixelFormat	pixelFormat,
		const istd::CIndex2d &	size,
		istd::COptMemory &&	data,
		int	linesDifference = 0 )

virtual

Create bitmap with specified size and format using external image data buffer.

Parameters

pixelFormat bitmap format.

See also: PixelFormat

Parameters

size	bitmap size.
data	external image buffer.
linesDifference	address difference between next and previos line. If it equals 0, the value will be taken from size and number of bits per pixel.

Reimplemented from iimg::CGeneralBitmap.

◆ CreateHoughSpace() [1/2]

bool ialgo::CHoughSpace2d::CreateHoughSpace	(	const istd::CIndex2d &	size,
		bool	isWrappedX,
		bool	isWrappedY,
		bool	isFloatSpace )

◆ CreateHoughSpace() [2/2]

virtual bool ialgo::CHoughSpace2d::CreateHoughSpace	(	const istd::TIndex< 2 > &	size,
		const double &	initValue = 0 )

virtual

◆ ExtractToBitmap()

virtual bool ialgo::CHoughSpace2d::ExtractToBitmap ( iimg::IBitmap & bitmap ) const

virtual

Extract this Hough space to some gray scale bitmap.

Implements ialgo::TIHoughSpace< 2 >.

◆ GetExtensionMode()

virtual ExtensionMode ialgo::CHoughSpace2d::GetExtensionMode ( int dimensionIndex ) const

virtual

Get extension mode for single dimension.

Implements ialgo::TIHoughSpace< 2 >.

◆ GetSpaceDistance()

double ialgo::CHoughSpace2d::GetSpaceDistance	(	const imath::TVector< 2 > &	position1,
		const imath::TVector< 2 > &	position2 ) const

inlinevirtual

Definition at line 91 of file CHoughSpace2d.h.

References GetSpaceDistance2().

◆ GetSpaceDistance2()

double ialgo::CHoughSpace2d::GetSpaceDistance2	(	const imath::TVector< 2 > &	position1,
		const imath::TVector< 2 > &	position2 ) const

inlinevirtual

Definition at line 97 of file CHoughSpace2d.h.

References iimg::CGeneralBitmap::GetImageSize(), imath::TVector< Size, Element >::GetLength2(), i2d::CVector2d::GetX(), istd::CIndex2d::GetX(), i2d::CVector2d::GetY(), istd::CIndex2d::GetY(), i2d::CVector2d::SetX(), and i2d::CVector2d::SetY().

Referenced by GetSpaceDistance().

◆ GetSpacePosition()

virtual bool ialgo::CHoughSpace2d::GetSpacePosition	(	const imath::TVector< 2 > &	position,
		imath::TVector< 2 > &	result ) const

virtual

◆ GetSpaceSize()

virtual istd::TIndex< 2 > ialgo::CHoughSpace2d::GetSpaceSize ( ) const

virtual

Get size of this Hough space.

Implements ialgo::TIHoughSpace< 2 >.

◆ IncreaseValueAt()

virtual void ialgo::CHoughSpace2d::IncreaseValueAt	(	const imath::TVector< 2 > &	position,
		double	value )

virtual

◆ IsDimensionWrapped()

virtual bool ialgo::CHoughSpace2d::IsDimensionWrapped ( int dimensionIndex ) const

virtual

Check if this space is wrapped horizontaly, it means the the left pixel is neighbour of the right one.

Implements ialgo::TIHoughSpace< 2 >.

◆ SetDimensionWrapped()

void ialgo::CHoughSpace2d::SetDimensionWrapped	(	int	dimensionIndex,
		bool	state )

Set if this space to be wrapped horizontaly or not.

Space is horizonally wrapped if the left pixel is neighbour of the right one.

◆ SmoothHoughSpace()

virtual void ialgo::CHoughSpace2d::SmoothHoughSpace ( const istd::TIndex< 2 > & iterations )

virtual

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

ialgo/CHoughSpace2d.h

Public Types

Public Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ BaseClass

◆ StdConsumer

Constructor & Destructor Documentation

◆ CHoughSpace2d() [1/2]

◆ CHoughSpace2d() [2/2]

Member Function Documentation

◆ AnalyseHoughSpace()

◆ ApplyOperation()

◆ CombineWithSpace()

◆ CreateBitmap() [1/2]

◆ CreateBitmap() [2/2]

◆ CreateHoughSpace() [1/2]

◆ CreateHoughSpace() [2/2]

◆ ExtractToBitmap()

◆ GetExtensionMode()

◆ GetSpaceDistance()

◆ GetSpaceDistance2()

◆ GetSpacePosition()

◆ GetSpaceSize()

◆ IncreaseValueAt()

◆ IsDimensionWrapped()

◆ SetDimensionWrapped()

◆ SmoothHoughSpace()