#include <FMatrixAffine.h>

Inheritance diagram for FMatrixAffine:

Public Member Functions
	FMatrixAffine ()
	Constructor.
	~FMatrixAffine ()
	Destructor.
bool	set (const double *f_matrix)
	Set the fundamental matrix using the two-dimensional (C-storage) array f_matrix.
bool	set (vnl_matrix< double > const &f_matrix)
	Set the fundamental matrix using the vnl_matrix f_matrix.
HomgLine2D	image1_epipolar_line (const HomgPoint2D &x2) const
	Return the epipolar line $l_1$ in image 1: $l_1 = F^ x_2$.
vgl_homg_line_2d< double >	image1_epipolar_line (vgl_homg_point_2d< double > const &x2) const
	Return the epipolar line $l_1$ in image 1: $l_1 = F^ x_2$.
HomgLine2D	image2_epipolar_line (const HomgPoint2D &x1) const
	Return the epipolar line $l_2$ in image 2: $l_2 = F x_1$.
vgl_homg_line_2d< double >	image2_epipolar_line (vgl_homg_point_2d< double > const &x1) const
	Return the epipolar line $l_2$ in image 2: $l_2 = F x_1$.
double	image1_epipolar_distance_squared (HomgPoint2D point1_ptr, HomgPoint2D point2_ptr) const
double	image1_epipolar_distance_squared (vgl_homg_point_2d< double > const &p1, vgl_homg_point_2d< double > const &p2) const
double	image2_epipolar_distance_squared (HomgPoint2D point1_ptr, HomgPoint2D point2_ptr) const
double	image2_epipolar_distance_squared (vgl_homg_point_2d< double > const &p1, vgl_homg_point_2d< double > const &p2) const
void	set_rank2_using_svd ()
	Ensure the current Fundamental matrix is rank 2.
FMatrix	get_rank2_truncated ()
FMatrix	transpose () const
	Return an FMatrix which corresponds to the reverse of this one.
bool	get_epipoles (HomgPoint2D e1_out, HomgPoint2D e2_out) const
	Compute the epipoles (left and right nullspaces of F) using vnl_svd<double>.
bool	get_epipoles (vgl_homg_point_2d< double > &e1_out, vgl_homg_point_2d< double > &e2_out) const
	Compute the epipoles (left and right nullspaces of F) using vnl_svd<double>.
void	decompose_to_skew_rank3 (vnl_matrix< double > skew, vnl_matrix< double > rank3) const
	Decompose F to the product of a skew-symmetric matrix and a rank 3 matrix.
void	find_nearest_perfect_match (const HomgPoint2D &in1, const HomgPoint2D &in2, HomgPoint2D out1, HomgPoint2D out2) const
	Find nearest match which agrees with F.
void	find_nearest_perfect_match (vgl_homg_point_2d< double > const &in1, vgl_homg_point_2d< double > const &in2, vgl_homg_point_2d< double > &out1, vgl_homg_point_2d< double > &out2) const
	Find nearest match which agrees with F.
void	find_nearest_perfect_match (const HomgPoint2D &in1, const HomgPoint2D &in2, const HomgPoint2D &e1, const HomgPoint2D &e2, HomgPoint2D out1, HomgPoint2D out2) const
	Faster Hartley-Sturm using precomputed epipoles.
void	find_nearest_perfect_match (vgl_homg_point_2d< double > const &in1, vgl_homg_point_2d< double > const &in2, vgl_homg_point_2d< double > const &e1, vgl_homg_point_2d< double > const &e2, vgl_homg_point_2d< double > &out1, vgl_homg_point_2d< double > &out2) const
	Faster Hartley-Sturm using precomputed epipoles.
void	compute_P_matrix (vnl_matrix< double > &P2) const
void	compute_P_matrix (PMatrix &P2) const
void	compute_P_matrix (vgl_p_matrix< double > &P2) const
double	get (unsigned int row_index, unsigned int col_index) const
	Return the element of the matrix at the specified indices (zero-based).
void	get (double *f_matrix) const
	Copy the fundamental matrix into a 2D array of doubles for `C' compatibility.
void	get (vnl_matrix< double > *f_matrix) const
	Copy the fundamental matrix into a vnl_matrix<double>.
void	set (const PMatrix &P1, const PMatrix &P2)
	Set from two P matrices.
void	set (const PMatrix &P2)
	Set from one P matrix, the second. The first is assumed to be [I O].
void	set (const FMatrix &)
	Set from one P matrix, the second. The first is assumed to be [I O].
const vnl_double_3x3 &	get_matrix () const
	Return a const reference to the internal 3x3 matrix.
const vnl_double_3x3 &	get_transpose_matrix () const
	Return a const reference to the transpose of the internal 3x3 matrix.
bool	get_rank2_flag (void) const
	Return the rank2_flag_.
void	set_rank2_flag (bool rank2_flag)
	Set the rank2_flag_.
bool	read_ascii (vcl_istream &f)
	Read from ASCII vcl_istream.
Static Public Member Functions
static FMatrix	read (char const *filename)
static FMatrix	read (vcl_istream &s)
	Read from ASCII vcl_istream.
Protected Attributes
vnl_double_3x3	f_matrix_
vnl_double_3x3	ft_matrix_
bool	rank2_flag_
Friends
vcl_ostream &	operator<< (vcl_ostream &s, const FMatrix &F)
	Print to vcl_ostream.
vcl_istream &	operator>> (vcl_istream &s, FMatrix &F)
	Read from ASCII vcl_istream.

Detailed Description

Definition at line 20 of file FMatrixAffine.h.

Constructor & Destructor Documentation

FMatrixAffine::FMatrixAffine ( )

Constructor.

Definition at line 14 of file FMatrixAffine.cxx.

FMatrixAffine::~FMatrixAffine ( )

Destructor.

Definition at line 21 of file FMatrixAffine.cxx.

Member Function Documentation

void FMatrix::compute_P_matrix ( vnl_matrix< double > & P2 ) const [inherited]

Definition at line 562 of file FMatrix.cxx.

void FMatrix::compute_P_matrix ( PMatrix & P2 ) const [inline, inherited]

Definition at line 99 of file FMatrix.h.

void FMatrix::compute_P_matrix ( vgl_p_matrix< double > & P2 ) const [inline, inherited]

Definition at line 104 of file FMatrix.h.

void FMatrix::decompose_to_skew_rank3	(	vnl_matrix< double > *	skew,
		vnl_matrix< double > *	rank3
	)		const `[inherited]`

Decompose F to the product of a skew-symmetric matrix and a rank 3 matrix.

Reimplemented in FMatrixSkew.

Definition at line 598 of file FMatrix.cxx.

void FMatrix::find_nearest_perfect_match	(	const HomgPoint2D &	point1,
		const HomgPoint2D &	point2,
		HomgPoint2D *	perfect_point1_ptr,
		HomgPoint2D *	perfect_point2_ptr
	)		const `[inherited]`

Find nearest match which agrees with F.

For a specified pair of matching points, find the nearest (minimum sum of squared image distances) match which is in perfect agreement with the epipolar geometry of the F matrix. (see R.I. Hartley and P. Sturm, ``Triangulation''. In {Proceedings, Computer Analysis of Images and Patterns}, Prague, 1995).

Reimplemented in FMatrixSkew, and FMatrixPlanar.

Definition at line 314 of file FMatrix.cxx.

void FMatrix::find_nearest_perfect_match	(	vgl_homg_point_2d< double > const &	point1,
		vgl_homg_point_2d< double > const &	point2,
		vgl_homg_point_2d< double > &	perfect_point1,
		vgl_homg_point_2d< double > &	perfect_point2
	)		const `[inherited]`

Find nearest match which agrees with F.

For a specified pair of matching points, find the nearest (minimum sum of squared image distances) match which is in perfect agreement with the epipolar geometry of the F matrix. (see R.I. Hartley and P. Sturm, ``Triangulation''. In {Proceedings, Computer Analysis of Images and Patterns}, Prague, 1995).

Reimplemented in FMatrixSkew, and FMatrixPlanar.

Definition at line 292 of file FMatrix.cxx.

void FMatrix::find_nearest_perfect_match	(	const HomgPoint2D &	in1,
		const HomgPoint2D &	in2,
		const HomgPoint2D &	e1,
		const HomgPoint2D &	e2,
		HomgPoint2D *	out1,
		HomgPoint2D *	out2
	)		const `[inherited]`

Faster Hartley-Sturm using precomputed epipoles.

Definition at line 442 of file FMatrix.cxx.

void FMatrix::find_nearest_perfect_match	(	vgl_homg_point_2d< double > const &	in1,
		vgl_homg_point_2d< double > const &	in2,
		vgl_homg_point_2d< double > const &	e1,
		vgl_homg_point_2d< double > const &	e2,
		vgl_homg_point_2d< double > &	out1,
		vgl_homg_point_2d< double > &	out2
	)		const `[inherited]`

Faster Hartley-Sturm using precomputed epipoles.

Definition at line 327 of file FMatrix.cxx.

double FMatrix::get	(	unsigned int	row_index,
		unsigned int	col_index
	)		const `[inherited]`

Return the element of the matrix at the specified indices (zero-based).

Definition at line 608 of file FMatrix.cxx.

void FMatrix::get ( double * f_matrix ) const [inherited]

Copy the fundamental matrix into a 2D array of doubles for `C' compatibility.

Definition at line 617 of file FMatrix.cxx.

void FMatrix::get ( vnl_matrix< double > * f_matrix ) const [inherited]

Copy the fundamental matrix into a vnl_matrix<double>.

Definition at line 627 of file FMatrix.cxx.

bool FMatrix::get_epipoles	(	HomgPoint2D *	epipole1_ptr,
		HomgPoint2D *	epipole2_ptr
	)		const `[inherited]`

Compute the epipoles (left and right nullspaces of F) using vnl_svd<double>.

Return false if the rank of F is not 2, and set approximate epipoles, (the left and right singular vectors corresponding to the smallest singular value of F).

Reimplemented in FMatrixSkew.

Definition at line 271 of file FMatrix.cxx.

bool FMatrix::get_epipoles	(	vgl_homg_point_2d< double > &	epipole1,
		vgl_homg_point_2d< double > &	epipole2
	)		const `[inherited]`

Compute the epipoles (left and right nullspaces of F) using vnl_svd<double>.

Return false if the rank of F is not 2, and set approximate epipoles, (the left and right singular vectors corresponding to the smallest singular value of F).

Reimplemented in FMatrixSkew.

Definition at line 253 of file FMatrix.cxx.

const vnl_double_3x3& FMatrix::get_matrix ( ) const [inline, inherited]

Return a const reference to the internal 3x3 matrix.

Definition at line 124 of file FMatrix.h.

bool FMatrix::get_rank2_flag ( void ) const [inherited]

Return the rank2_flag_.

Reimplemented in FMatrixSkew, and FMatrixPlanar.

Definition at line 636 of file FMatrix.cxx.

FMatrix FMatrix::get_rank2_truncated ( ) [inherited]

Reimplemented in FMatrixPlanar, and FMatrixSkew.

const vnl_double_3x3& FMatrix::get_transpose_matrix ( ) const [inline, inherited]

Return a const reference to the transpose of the internal 3x3 matrix.

Definition at line 127 of file FMatrix.h.

double FMatrix::image1_epipolar_distance_squared	(	HomgPoint2D *	point1_ptr,
		HomgPoint2D *	point2_ptr
	)		const `[inherited]`

Definition at line 192 of file FMatrix.cxx.

double FMatrix::image1_epipolar_distance_squared	(	vgl_homg_point_2d< double > const &	p1,
		vgl_homg_point_2d< double > const &	p2
	)		const `[inherited]`

Definition at line 179 of file FMatrix.cxx.

HomgLine2D FMatrix::image1_epipolar_line ( const HomgPoint2D & x2 ) const [inherited]

Return the epipolar line $l_1$ in image 1: $l_1 = F^ x_2$.

Definition at line 149 of file FMatrix.cxx.

vgl_homg_line_2d< double > FMatrix::image1_epipolar_line ( vgl_homg_point_2d< double > const & x2 ) const [inherited]

Return the epipolar line $l_1$ in image 1: $l_1 = F^ x_2$.

Definition at line 140 of file FMatrix.cxx.

double FMatrix::image2_epipolar_distance_squared	(	HomgPoint2D *	point1_ptr,
		HomgPoint2D *	point2_ptr
	)		const `[inherited]`

Definition at line 218 of file FMatrix.cxx.

double FMatrix::image2_epipolar_distance_squared	(	vgl_homg_point_2d< double > const &	p1,
		vgl_homg_point_2d< double > const &	p2
	)		const `[inherited]`

Definition at line 205 of file FMatrix.cxx.

HomgLine2D FMatrix::image2_epipolar_line ( const HomgPoint2D & x1 ) const [inherited]

Return the epipolar line $l_2$ in image 2: $l_2 = F x_1$.

Definition at line 168 of file FMatrix.cxx.

vgl_homg_line_2d< double > FMatrix::image2_epipolar_line ( vgl_homg_point_2d< double > const & x1 ) const [inherited]

Return the epipolar line $l_2$ in image 2: $l_2 = F x_1$.

Definition at line 158 of file FMatrix.cxx.

FMatrix FMatrix::read ( char const * filename ) [static, inherited]

Definition at line 111 of file FMatrix.cxx.

FMatrix FMatrix::read ( vcl_istream & s ) [static, inherited]

Read from ASCII vcl_istream.

Definition at line 130 of file FMatrix.cxx.

bool FMatrix::read_ascii ( vcl_istream & f ) [inherited]

Read from ASCII vcl_istream.

Definition at line 98 of file FMatrix.cxx.

bool FMatrixAffine::set ( const double * f_matrix ) [virtual]

Set the fundamental matrix using the two-dimensional (C-storage) array f_matrix.

Only returns true if f_matrix contained a Fundamental matrix in the affine form, and not an approximation to one. Otherwise returns false and the matrix is not set. f_matrix must be 3x3, i.e., must contain 9 elements.

Reimplemented from FMatrix.

Definition at line 53 of file FMatrixAffine.cxx.

bool FMatrixAffine::set ( vnl_matrix< double > const & f_matrix ) [virtual]

Set the fundamental matrix using the vnl_matrix f_matrix.

Only returns true if f_matrix contained a Fundamental matrix in the affine form, and not an approximation to one. Otherwise returns false and the matrix is not set. f_matrix must be 3x3.

Reimplemented from FMatrix.

Definition at line 33 of file FMatrixAffine.cxx.

void FMatrix::set	(	const PMatrix &	P1,
		const PMatrix &	P2
	)		`[inherited]`

Set from two P matrices.

Definition at line 685 of file FMatrix.cxx.

void FMatrix::set ( const PMatrix & P2 ) [inherited]

Set from one P matrix, the second. The first is assumed to be [I O].

Definition at line 695 of file FMatrix.cxx.

void FMatrix::set ( const FMatrix & F ) [inherited]

Set from one P matrix, the second. The first is assumed to be [I O].

Definition at line 707 of file FMatrix.cxx.

void FMatrix::set_rank2_flag ( bool rank2_flag ) [inherited]

Set the rank2_flag_.

Reimplemented in FMatrixSkew.

Definition at line 644 of file FMatrix.cxx.

void FMatrix::set_rank2_using_svd ( void ) [inherited]

Ensure the current Fundamental matrix is rank 2.

Does this by taking its vnl_svd<double>, setting the smallest singular value to zero, and recomposing. Sets the rank2_flag_ to true.

Reimplemented in FMatrixPlanar, and FMatrixSkew.

Definition at line 583 of file FMatrix.cxx.

FMatrix FMatrix::transpose ( ) const [inherited]

Return an FMatrix which corresponds to the reverse of this one.

Definition at line 242 of file FMatrix.cxx.

Friends And Related Function Documentation

vcl_ostream& operator<<	(	vcl_ostream &	s,
		const FMatrix &	F
	)		`[friend, inherited]`

Print to vcl_ostream.

Definition at line 227 of file FMatrix.cxx.

vcl_istream& operator>>	(	vcl_istream &	s,
		FMatrix &	F
	)		`[friend, inherited]`

Read from ASCII vcl_istream.

Definition at line 122 of file FMatrix.cxx.

Member Data Documentation

vnl_double_3x3 FMatrix::f_matrix_ [protected, inherited]

Definition at line 144 of file FMatrix.h.

vnl_double_3x3 FMatrix::ft_matrix_ [protected, inherited]

Definition at line 147 of file FMatrix.h.

bool FMatrix::rank2_flag_ [protected, inherited]

Definition at line 151 of file FMatrix.h.

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

contrib/oxl/mvl/FMatrixAffine.h
contrib/oxl/mvl/FMatrixAffine.cxx

Public Member Functions

Static Public Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation