ViSP  2.9.0
Public Member Functions | Protected Attributes | List of all members
vpTemplateTrackerWarpAffine Class Reference

#include <vpTemplateTrackerWarpAffine.h>

+ Inheritance diagram for vpTemplateTrackerWarpAffine:

Public Member Functions

 vpTemplateTrackerWarpAffine ()
 
void dWarp (const vpColVector &X1, const vpColVector &X2, const vpColVector &ParamM, vpMatrix &dW)
 
void dWarpCompo (const vpColVector &X1, const vpColVector &X2, const vpColVector &ParamM, const double *dwdp0, vpMatrix &dW)
 
void getdW0 (const int &i, const int &j, const double &dy, const double &dx, double *dIdW)
 
void getdWdp0 (const int &i, const int &j, double *dIdW)
 
void getParamInverse (const vpColVector &ParamM, vpColVector &ParamMinv) const
 
void getParamPyramidDown (const vpColVector &p, vpColVector &pdown)
 
void getParamPyramidUp (const vpColVector &p, vpColVector &pup)
 
bool isESMcompatible () const
 
void pRondp (const vpColVector &p1, const vpColVector &p2, vpColVector &pres) const
 
void warpX (const vpColVector &vX, vpColVector &vXres, const vpColVector &ParamM)
 
void warpX (const int &i, const int &j, double &i2, double &j2, const vpColVector &ParamM)
 
void warpXInv (const vpColVector &vX, vpColVector &vXres, const vpColVector &ParamM)
 
double getDistanceBetweenZoneAndWarpedZone (const vpTemplateTrackerZone &Z, const vpColVector &p)
 
unsigned int getNbParam () const
 
void setNbParam (unsigned int nb)
 
void warp (const double *ut0, const double *vt0, int nb_pt, const vpColVector &p, double *u, double *v)
 
void warpTriangle (const vpTemplateTrackerTriangle &in, const vpColVector &p, vpTemplateTrackerTriangle &out)
 
void warpZone (const vpTemplateTrackerZone &in, const vpColVector &p, vpTemplateTrackerZone &out)
 

Protected Attributes

double denom
 
vpMatrix dW
 
unsigned int nbParam
 

Detailed Description

Examples:
templateTracker.cpp.

Definition at line 54 of file vpTemplateTrackerWarpAffine.h.

Constructor & Destructor Documentation

vpTemplateTrackerWarpAffine::vpTemplateTrackerWarpAffine ( )

Definition at line 45 of file vpTemplateTrackerWarpAffine.cpp.

References vpTemplateTrackerWarp::dW, vpTemplateTrackerWarp::nbParam, and vpMatrix::resize().

Member Function Documentation

void vpTemplateTrackerWarpAffine::dWarp ( const vpColVector &  X1,
const vpColVector &  X2,
const vpColVector &  ParamM,
vpMatrix &  dW 
)
virtual

Compute the derivative of the warping function according to its parameters.

Parameters
X1: Point to consider in the derivative computation.
X2: Point to consider in the derivative computation.
ParamM: Parameters of the warping function.
dW: Resulting derivative matrix.

Implements vpTemplateTrackerWarp.

Definition at line 108 of file vpTemplateTrackerWarpAffine.cpp.

void vpTemplateTrackerWarpAffine::dWarpCompo ( const vpColVector &  X1,
const vpColVector &  X2,
const vpColVector &  ParamM,
const double *  dwdp0,
vpMatrix &  dW 
)
virtual

Compute the compositionnal derivative of the warping function according to its parameters.

Parameters
X1: Point to consider in the derivative computation.
X2: Point to consider in the derivative computation.
ParamM: Parameters of the warping function.
dwdp0: Derivative matrix of the warping function according to the initial warping function parameters (p=0).
dW: Resulting compositionnal derivative matrix.

Implements vpTemplateTrackerWarp.

Definition at line 119 of file vpTemplateTrackerWarpAffine.cpp.

References vpTemplateTrackerWarp::nbParam.

double vpTemplateTrackerWarp::getDistanceBetweenZoneAndWarpedZone ( const vpTemplateTrackerZone &  Z,
const vpColVector &  p 
)
inherited

Compute the distance between a zone and its associated warped zone.

Parameters
Z: Zone to consider.
p: Parameters of the warping function.

Definition at line 69 of file vpTemplateTrackerWarp.cpp.

References vpTemplateTrackerTriangle::getCorner(), vpTemplateTrackerZone::getNbTriangle(), vpTemplateTrackerZone::getTriangle(), and vpTemplateTrackerWarp::warpX().

void vpTemplateTrackerWarpAffine::getdW0 ( const int &  i,
const int &  j,
const double &  dy,
const double &  dx,
double *  dIdW 
)
virtual

Compute the derivative of the image with relation to the warping function parameters.

Parameters
i: i coordinate (along the rows) of the point to consider in the image.
j: j coordinate (along the columns) of the point to consider in the image.
dy: Derivative on the y-axis (along the rows) of the point (i,j).
dx: Derivative on the x-axis of the point (i,j).
dIdW: Resulting derivative matrix (Image according to the warping function).

Implements vpTemplateTrackerWarp.

Definition at line 67 of file vpTemplateTrackerWarpAffine.cpp.

void vpTemplateTrackerWarpAffine::getdWdp0 ( const int &  i,
const int &  j,
double *  dIdW 
)
virtual

Compute the derivative of the warping function according to the initial parameters.

Parameters
i: i coordinate (along the rows) of the point to consider in the image.
j: j coordinate (along the columns) of the point to consider in the image.
dIdW: Resulting derivative matrix (Image according to the warping function).

Implements vpTemplateTrackerWarp.

Definition at line 78 of file vpTemplateTrackerWarpAffine.cpp.

unsigned int vpTemplateTrackerWarp::getNbParam ( ) const
inlineinherited

Get the number of parameters of the warping function.

Returns
Number of parameters.

Definition at line 132 of file vpTemplateTrackerWarp.h.

Referenced by vpTemplateTracker::computeOptimalBrentGain(), and vpTemplateTracker::vpTemplateTracker().

void vpTemplateTrackerWarpAffine::getParamInverse ( const vpColVector &  ParamM,
vpColVector &  ParamMinv 
) const
virtual

Get the inverse of the warping function parameters.

Parameters
ParamM: Parameters of the warping function.
ParamMinv: Inverse parameters.

Implements vpTemplateTrackerWarp.

Definition at line 134 of file vpTemplateTrackerWarpAffine.cpp.

References vpMatrix::inverseByLU().

void vpTemplateTrackerWarpAffine::getParamPyramidDown ( const vpColVector &  p,
vpColVector &  pdown 
)
virtual

Get the parameters of the warping function one level down.

Parameters
p: Current parameters of the warping function.
pdown: Resulting parameters on level down.

Implements vpTemplateTrackerWarp.

Definition at line 52 of file vpTemplateTrackerWarpAffine.cpp.

void vpTemplateTrackerWarpAffine::getParamPyramidUp ( const vpColVector &  p,
vpColVector &  pup 
)
virtual

Get the parameters of the warping function one level up.

Parameters
p: Current parameters of the warping function.
pup: Resulting parameters one level up.

Implements vpTemplateTrackerWarp.

Definition at line 59 of file vpTemplateTrackerWarpAffine.cpp.

bool vpTemplateTrackerWarpAffine::isESMcompatible ( ) const
inlinevirtual

Tells if the warping function is ESM compatible.

Returns
True if it is ESM compatible, False otherwise.

Implements vpTemplateTrackerWarp.

Definition at line 135 of file vpTemplateTrackerWarpAffine.h.

void vpTemplateTrackerWarpAffine::pRondp ( const vpColVector &  p1,
const vpColVector &  p2,
vpColVector &  pres 
) const
virtual

Get the displacement resulting from the composition of two other displacements.

Parameters
p1: First displacement.
p2: Second displacement.
pres: Displacement resulting from the composition of p1 and p2.

Implements vpTemplateTrackerWarp.

Definition at line 150 of file vpTemplateTrackerWarpAffine.cpp.

void vpTemplateTrackerWarp::setNbParam ( unsigned int  nb)
inlineinherited

Set the number of parameters of the warping function.

Parameters
nb: New number of parameters.

Definition at line 179 of file vpTemplateTrackerWarp.h.

References vpMatrix::resize().

void vpTemplateTrackerWarp::warp ( const double *  ut0,
const double *  vt0,
int  nb_pt,
const vpColVector &  p,
double *  u,
double *  v 
)
inherited

Warp a list of points.

Parameters
ut0: List of u coordinates of the points.
vt0: List of v coordinates of the points.
nb_pt: Number of points to consider.
p: Parameters of the warp.
u: Resulting u coordinates.
v: resulting v coordinates.

Definition at line 92 of file vpTemplateTrackerWarp.cpp.

References vpTemplateTrackerWarp::warpX().

Referenced by vpTemplateTrackerWarpHomographySL3::getParamPyramidDown(), and vpTemplateTrackerWarpHomographySL3::getParamPyramidUp().

void vpTemplateTrackerWarp::warpTriangle ( const vpTemplateTrackerTriangle &  in,
const vpColVector &  p,
vpTemplateTrackerTriangle &  out 
)
inherited

Warp a triangle and store the result in a new zone.

Parameters
in: Triangle to warp.
p: Parameters of the warping function. These parameters are estimated by the template tracker and returned using vpTemplateTracker::getp().
out: Resulting triangle.

Definition at line 44 of file vpTemplateTrackerWarp.cpp.

References vpTemplateTrackerTriangle::getCorners(), vpTemplateTrackerTriangle::init(), and vpTemplateTrackerWarp::warpX().

Referenced by vpTemplateTrackerWarp::warpZone().

void vpTemplateTrackerWarpAffine::warpX ( const vpColVector &  vX,
vpColVector &  vXres,
const vpColVector &  ParamM 
)
virtual

Warp a point.

Parameters
vX: Coordinates of the point to warp.
vXres: Coordinates of the warped point.
ParamM: Parameters of the warping function.

Implements vpTemplateTrackerWarp.

Definition at line 102 of file vpTemplateTrackerWarpAffine.cpp.

void vpTemplateTrackerWarpAffine::warpX ( const int &  i,
const int &  j,
double &  i2,
double &  j2,
const vpColVector &  ParamM 
)
virtual

Warp a point.

Parameters
i: i coordinate (along the rows) of the point to warp.
j: j coordinate (along the columns) of the point to warp.
i2: i coordinate (along the columns) of the warped point.
j2: j coordinate (along the columns) of the warped point.
ParamM: Parameters of the warping function.

Implements vpTemplateTrackerWarp.

Definition at line 95 of file vpTemplateTrackerWarpAffine.cpp.

void vpTemplateTrackerWarpAffine::warpXInv ( const vpColVector &  vX,
vpColVector &  vXres,
const vpColVector &  ParamM 
)
virtual

Inverse Warp a point.

Parameters
vX: Coordinates of the point to warp.
vXres: Coordinates of the warped point.
ParamM: Parameters of the warping function.

Implements vpTemplateTrackerWarp.

Definition at line 129 of file vpTemplateTrackerWarpAffine.cpp.

void vpTemplateTrackerWarp::warpZone ( const vpTemplateTrackerZone &  in,
const vpColVector &  p,
vpTemplateTrackerZone &  out 
)
inherited

Warp a zone and store the result in a new zone.

Parameters
in: Zone to warp.
p: Parameters of the warping function. These parameters are estimated by the template tracker and returned using vpTemplateTracker::getp().
out: Resulting zone.
Examples:
templateTracker.cpp.

Definition at line 57 of file vpTemplateTrackerWarp.cpp.

References vpTemplateTrackerZone::add(), vpTemplateTrackerZone::clear(), vpTemplateTrackerZone::getNbTriangle(), vpTemplateTrackerZone::getTriangle(), and vpTemplateTrackerWarp::warpTriangle().

Referenced by vpTemplateTracker::display().

Member Data Documentation

double vpTemplateTrackerWarp::denom
protectedinherited

Definition at line 60 of file vpTemplateTrackerWarp.h.

Referenced by vpTemplateTrackerWarpHomography::computeDenom(), vpTemplateTrackerWarpHomographySL3::computeDenom(), vpTemplateTrackerWarpHomography::dWarp(), vpTemplateTrackerWarpHomographySL3::dWarp(), vpTemplateTrackerWarpHomography::dWarpCompo(), vpTemplateTrackerWarpHomographySL3::dWarpCompo(), vpTemplateTrackerWarpHomography::warpX(), and vpTemplateTrackerWarpHomographySL3::warpX().

vpMatrix vpTemplateTrackerWarp::dW
protectedinherited

Definition at line 61 of file vpTemplateTrackerWarp.h.

Referenced by vpTemplateTrackerWarpAffine(), vpTemplateTrackerWarpHomography::vpTemplateTrackerWarpHomography(), vpTemplateTrackerWarpSRT::vpTemplateTrackerWarpSRT(), and vpTemplateTrackerWarpTranslation::vpTemplateTrackerWarpTranslation().

unsigned int vpTemplateTrackerWarp::nbParam
protectedinherited

Definition at line 62 of file vpTemplateTrackerWarp.h.

Referenced by vpTemplateTrackerWarpSRT::dWarpCompo(), dWarpCompo(), vpTemplateTrackerWarpTranslation::dWarpCompo(), vpTemplateTrackerWarpHomography::dWarpCompo(), vpTemplateTrackerWarpHomographySL3::dWarpCompo(), vpTemplateTrackerWarpHomographySL3::findWarp(), vpTemplateTrackerWarpHomographySL3::getdW0(), vpTemplateTrackerWarpHomographySL3::getdWdp0(), vpTemplateTrackerWarpAffine(), vpTemplateTrackerWarpHomography::vpTemplateTrackerWarpHomography(), vpTemplateTrackerWarpHomographySL3::vpTemplateTrackerWarpHomographySL3(), vpTemplateTrackerWarpSRT::vpTemplateTrackerWarpSRT(), and vpTemplateTrackerWarpTranslation::vpTemplateTrackerWarpTranslation().