BIAS::LeastSquaresLapack Class Reference

Linear least squares solver based on Lapack routines. More...

#include <MathAlgo/LeastSquares.hh>

Inheritance diagram for BIAS::LeastSquaresLapack:

Collaboration diagram for BIAS::LeastSquaresLapack:

Public Member Functions
void	AddDebugLevel (const long int lv)
void	AddDebugLevel (const std::string &name)
bool	DebugLevelIsSet (const long int lv) const
bool	DebugLevelIsSet (const std::string &name) const
int	GetDebugLevel () const
std::ostream &	GetDebugStream () const
void	GetDebugStream (std::ostream &os) const
int	Init (unsigned SolutionSize, bool ReduceToATA=true)
	Initialize least squares solver. More...
	LeastSquaresLapack ()
long int	Name2DebugLevel (const std::string &name) const
	looks up a debuglevel in the internal map, returns 0 if not found More...
long int	NewDebugLevel (const std::string &name)
	creates a new debuglevel More...
void	PrintDebugLevel (std::ostream &os=std::cout) const
void	RemoveDebugLevel (const long int lv)
void	RemoveDebugLevel (const std::string &name)
void	SetDebugLevel (const long int lv)
void	SetDebugLevel (const std::string &name)
void	SetDebugStream (const std::ostream &os)
void	ShowDebugLevel (std::ostream &os=std::cout) const
	prints all internally known debuglevels More...
virtual int	Solve (Matrix< double > &A, Vector< double > &b, Vector< double > &x)
	LeastSquaresLapack. More...
virtual int	Solve (Matrix< double > &A, Vector< double > &x)
	Solve linear equation system A*x = 0 using linear least squares, i.e. More...
virtual int	WeightedSolve (Matrix< double > &A, Vector< double > &b, Vector< double > &weights, Vector< double > &x)
	Solve linear equation system A*x = b using weighted linear least squares, i.e. More...
virtual int	WeightedSolve (Matrix< double > &A, Vector< double > &weights, Vector< double > &x)
	Solve linear equation system A*x = 0 using weighted linear least squares, i.e. More...
virtual	~LeastSquaresLapack ()

Static Public Member Functions
static long int	GetGlobalDebugLevel ()
static void	SetGlobalDebugLevel (long int lev)

Protected Member Functions
long	ConsumeNextFreeDebuglevel_ ()
	returns the next available debuglevel More...

Protected Attributes
Matrix< double >	_AT
Matrix< double >	_ATA
Vector< double >	_ATb
long int	_liDebugLevel
long int	_liNextDebugLevel
	new concept, debuglevel are managed here in the debug class More...
bool	_ReduceToATA
unsigned	_SolutionSize
std::map< std::string, long int >	_String2Debuglevel
Matrix< double >	_Weight

Static Protected Attributes
static std::ostream	_zDebugStream
static long int	GlobalDebugLevel = 0

Detailed Description

Linear least squares solver based on Lapack routines.

Author

MIP

Examples:

ExampleLeastSquares.cpp.

Definition at line 103 of file LeastSquares.hh.

Constructor & Destructor Documentation

BIAS::LeastSquaresLapack::LeastSquaresLapack ( )

inline

Definition at line 107 of file LeastSquares.hh.

virtual BIAS::LeastSquaresLapack::~LeastSquaresLapack ( )

inlinevirtual

Definition at line 109 of file LeastSquares.hh.

Member Function Documentation

void BIAS::Debug::AddDebugLevel ( const long int  lv )

inlineinherited

Examples:

EvaluateAlignment.cpp, ExampleAlignment.cpp, ExampleMinMax.cpp, ExampleRANSAC_double.cpp, ExampleRANSACPlane.cpp, and ExampleTriangulateOptimal.cpp.

Definition at line 355 of file Debug.hh.

Referenced by BIAS::GLProjectionParametersBase::AddDebugLevel(), BIAS::Triangulation::CorrectCorrespondences(), BIAS::FilterBase< InputStorageType, OutputStorageType >::FilterBase(), BIAS::ShowCamWxVideoSourceFactory::OpenDevice(), and BIAS::SceneOpenSceneGraph::SceneOpenSceneGraph().

void BIAS::Debug::AddDebugLevel ( const std::string &  name )

inlineinherited

Definition at line 362 of file Debug.hh.

long BIAS::Debug::ConsumeNextFreeDebuglevel_ ( )

inlineprotectedinherited

returns the next available debuglevel

Author

woelk 09/2006

Definition at line 521 of file Debug.hh.

bool BIAS::Debug::DebugLevelIsSet ( const long int  lv ) const

inlineinherited

Examples:

ExampleTriangulateOptimal.cpp.

Definition at line 341 of file Debug.hh.

Referenced by BIAS::GenSynthMatches::_AddUniformDistributedOutliers(), BIAS::GenSynthMatches::_CreateCamMovement(), BIAS::GenSynthMatches::_CreateStatic2DPoints(), BIAS::UnscentedTransform::ComputeSigmaPoints_(), BIAS::Triangulation::CorrectCorrespondences(), BIAS::GenSynthMatches::GetGTNormalizedF(), BIAS::MonteCarloTransform::GetSamples_(), and BIAS::MonteCarloTransform::Transform().

bool BIAS::Debug::DebugLevelIsSet ( const std::string &  name ) const

inlineinherited

Definition at line 350 of file Debug.hh.

int BIAS::Debug::GetDebugLevel ( ) const

inlineinherited

Examples:

ExampleCamera.cpp, ExampleCamPoseCalib.cpp, ExampleCopy.cpp, and ExampleParabola.cpp.

Definition at line 332 of file Debug.hh.

Referenced by BIAS::listenthread(), BIAS::Image< StorageType >::operator=(), and BIAS::ImageBase::operator=().

std::ostream& BIAS::Debug::GetDebugStream ( ) const

inlineinherited

Definition at line 405 of file Debug.hh.

void BIAS::Debug::GetDebugStream ( std::ostream &  os ) const

inlineinherited

Definition at line 414 of file Debug.hh.

static long int BIAS::Debug::GetGlobalDebugLevel ( )

inlinestaticinherited

Definition at line 431 of file Debug.hh.

int LeastSquaresBase::Init ( unsigned  SolutionSize, bool  ReduceToATA = true  )

inherited

Initialize least squares solver.

LeastSquaresBase.

Parameters

[in]	SolutionSize	Number of parameters
[in]	ReduceToATA	Reduce minimization of |Ax-b| to solution of (A'A)x = A'b

Examples:

ExampleLeastSquares.cpp.

Definition at line 36 of file LeastSquares.cpp.

long int BIAS::Debug::Name2DebugLevel ( const std::string &  name ) const

inlineinherited

looks up a debuglevel in the internal map, returns 0 if not found

Author

woelk 09/2006

Definition at line 454 of file Debug.hh.

long int BIAS::Debug::NewDebugLevel ( const std::string &  name )

inlineinherited

creates a new debuglevel

Author

woelk 09/2006

Definition at line 474 of file Debug.hh.

Referenced by BIAS::COSAC< SolutionType >::COSAC(), BIAS::ProjectionParametersPerspectiveDepth::Init(), BIAS::MonteCarloTransform::MonteCarloTransform(), BIAS::PMatrixEstimation::PMatrixEstimation(), BIAS::PreemptiveRANSAC< SolutionType >::PreemptiveRANSAC(), BIAS::RANSACPreKnowledge< SolutionType >::RANSACPreKnowledge(), BIAS::ROI::ROI(), BIAS::RotationAveraging::RotationAveraging(), BIAS::SceneOpenSceneGraph::SceneOpenSceneGraph(), BIAS::ThreeDOutOpenSceneGraph::ThreeDOutOpenSceneGraph(), BIAS::Triangulation::Triangulation(), and BIAS::UnscentedTransform::UnscentedTransform().

void BIAS::Debug::PrintDebugLevel ( std::ostream &  os = std::cout ) const

inlineinherited

Definition at line 383 of file Debug.hh.

void BIAS::Debug::RemoveDebugLevel ( const long int  lv )

inlineinherited

Definition at line 369 of file Debug.hh.

void BIAS::Debug::RemoveDebugLevel ( const std::string &  name )

inlineinherited

Definition at line 376 of file Debug.hh.

void BIAS::Debug::SetDebugLevel ( const long int  lv )

inlineinherited

Examples:

ExampleCamera.cpp, ExampleCamPoseCalib.cpp, ExampleCopy.cpp, ExampleDcam.cpp, ExampleDcamImageConvert.cpp, ExampleDirectToDisk.cpp, ExampleGrabTrippleFromXB3.cpp, ExampleHarrisColor.cpp, ExampleLDA.cpp, ExampleLineMatcher.cpp, ExampleMDCamToShm.cpp, ExampleParabola.cpp, ExamplePMatrix.cpp, ExamplePtGreyHiresColor.cpp, ExampleVideoSource_Shm.cpp, and Scan1394Bus.cpp.

Definition at line 318 of file Debug.hh.

Referenced by BIAS::ShowCamWxVideoSourceFactory::CreateBumbleBee(), BIAS::ShowCamWxVideoSourceFactory::CreateDCAM(), BIAS::VideoSource_MDcam::ScanBus(), BIAS::GLProjectionParametersBase::SetDebugLevel(), BIAS::VideoSource_Disk::VideoSource_Disk(), BIAS::VideoSource_DV2::VideoSource_DV2(), BIAS::VideoSource_DV::VideoSource_DV_Internal_Init_(), and BIAS::VideoSource_V4L::VideoSource_V4L().

void BIAS::Debug::SetDebugLevel ( const std::string &  name )

inlineinherited

Definition at line 325 of file Debug.hh.

void BIAS::Debug::SetDebugStream ( const std::ostream &  os )

inlineinherited

Definition at line 398 of file Debug.hh.

static void BIAS::Debug::SetGlobalDebugLevel ( long int  lev )

inlinestaticinherited

Definition at line 424 of file Debug.hh.

void BIAS::Debug::ShowDebugLevel ( std::ostream &  os = std::cout ) const

inlineinherited

prints all internally known debuglevels

Author

woelk 09/2006

Definition at line 496 of file Debug.hh.

int LeastSquaresLapack::Solve ( Matrix< double > &  A, Vector< double > &  b, Vector< double > &  x  )

virtual

LeastSquaresLapack.

Reimplemented from BIAS::LeastSquaresBase.

Examples:

ExampleLeastSquares.cpp.

Definition at line 79 of file LeastSquares.cpp.

References Lapack_LLS_QR_linear_solve(), BIAS::Matrix< T >::Mult(), and BIAS::Matrix< T >::Transpose().

Referenced by BIAS::TriangulationMidPoint::Intersect_().

int LeastSquaresLapack::Solve ( Matrix< double > &  A, Vector< double > &  x  )

virtual

Solve linear equation system A*x = 0 using linear least squares, i.e.

minimize |A*x|^2, subject to |x| = 1.

Returns

Returns 0 in case of success, <0 otherwise.

Reimplemented from BIAS::LeastSquaresBase.

Definition at line 97 of file LeastSquares.cpp.

int LeastSquaresLapack::WeightedSolve ( Matrix< double > &  A, Vector< double > &  b, Vector< double > &  weights, Vector< double > &  x  )

virtual

Solve linear equation system A*x = b using weighted linear least squares, i.e.

minimize |W*(A*x - b)|^2 with diagonal matrix W composed of given weights.

Returns

Returns 0 in case of success, <0 otherwise.

Reimplemented from BIAS::LeastSquaresBase.

Examples:

ExampleLeastSquares.cpp.

Definition at line 103 of file LeastSquares.cpp.

References Lapack_LLS_QR_linear_solve(), Lapack_WLLS_solve(), BIAS::Matrix< T >::Mult(), TNT::Matrix< T >::num_rows(), BIAS::Matrix< T >::ScaleRow(), and BIAS::Matrix< T >::Transpose().

int LeastSquaresLapack::WeightedSolve ( Matrix< double > &  A, Vector< double > &  weights, Vector< double > &  x  )

virtual

Solve linear equation system A*x = 0 using weighted linear least squares, i.e.

minimize |W*(A*x - b)|^2 with diagonal matrix W composed of given weights, subject to |x| = 1.

Returns

Returns 0 in case of success, <0 otherwise.

Reimplemented from BIAS::LeastSquaresBase.

Definition at line 131 of file LeastSquares.cpp.

Member Data Documentation

Matrix<double> BIAS::LeastSquaresBase::_AT

protectedinherited

Definition at line 92 of file LeastSquares.hh.

Matrix<double> BIAS::LeastSquaresBase::_ATA

protectedinherited

Definition at line 92 of file LeastSquares.hh.

Vector<double> BIAS::LeastSquaresBase::_ATb

protectedinherited

Definition at line 93 of file LeastSquares.hh.

long int BIAS::Debug::_liDebugLevel

protectedinherited

Definition at line 510 of file Debug.hh.

Referenced by BIAS::Debug::operator=(), and BIAS::ImageBase::operator=().

long int BIAS::Debug::_liNextDebugLevel

protectedinherited

new concept, debuglevel are managed here in the debug class

Definition at line 516 of file Debug.hh.

Referenced by BIAS::Debug::operator=().

bool BIAS::LeastSquaresBase::_ReduceToATA

protectedinherited

Definition at line 90 of file LeastSquares.hh.

unsigned BIAS::LeastSquaresBase::_SolutionSize

protectedinherited

Definition at line 91 of file LeastSquares.hh.

std::map<std::string, long int> BIAS::Debug::_String2Debuglevel

protectedinherited

Definition at line 517 of file Debug.hh.

Referenced by BIAS::Debug::operator=().

Matrix<double> BIAS::LeastSquaresBase::_Weight

protectedinherited

Definition at line 92 of file LeastSquares.hh.

std::ostream BIAS::Debug::_zDebugStream

staticprotectedinherited

Definition at line 511 of file Debug.hh.

Referenced by BIAS::Debug::operator=().

long int BIAS::Debug::GlobalDebugLevel = 0

staticprotectedinherited

Definition at line 513 of file Debug.hh.

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

• MathAlgo/LeastSquares.hh
• MathAlgo/LeastSquares.cpp