kalman_filter Class Reference

#include <kalman_filter.h>

List of all members.


Detailed Description

Definition at line 29 of file kalman_filter.h.


Public Member Functions

vgl_point_2d< double > get_cur_epipole () const
 get backprojection for debugging.
vcl_vector< vnl_matrix< double > > get_back_projection () const
vnl_matrix< double > get_predicted_curve ()
 predict next curve.
vnl_double_3 get_next_motion (vnl_double_3 v)
vcl_vector< vgl_point_2d<
double > > 
get_pre_observes ()
vcl_vector< vgl_point_2d<
double > > 
get_cur_observes ()
vcl_vector< vgl_point_2d<
double > > 
get_next_observes ()
vcl_vector< vgl_point_3d<
double > > 
get_local_pts ()
bugl_curve_3d get_curve_3d ()
void read_data (const char *fname)
 read all the data including time stampes, trackers.
vcl_vector< vdgl_digital_curve_sptrread_tracker_file (char *fname)
 read vishual tracker result out of a file.
void init ()
 initialize the kalman filter states.
void init_epipole (double x, double y)
void inc ()
vnl_double_2 projection (const vnl_double_3x4 &P, const vnl_double_3 &X)
 kalman_filter ()
 constructors.
 kalman_filter (const char *fname)
virtual ~kalman_filter ()

Protected Member Functions

vcl_vector< double > read_timestamp_file (char *fname)
 read time stamp.
double matched_point_prob (vnl_double_2 &z, vnl_double_2 &z_pred)
 if the zero probability returned, the matched point is a outlier.
vnl_matrix_fixed< double, 6, 6 > get_transit_matrix (int i, int j)
 get time interval from ith frame to j-th frame.
void update_confidence ()
 update the confidence for each 3d point.
void update_observes (const vnl_double_3x4 &P, int iframe)
 update the matched points in the next frame using closest neighbour.
void init_velocity ()
vnl_matrix_fixed< double, 2, 6 > get_H_matrix (vnl_double_3x4 &P, vnl_double_3 &Y)
 set linearized observation matrix.
vnl_double_3x4 get_projective_matrix (const vnl_double_3 &v) const
 compute projective matrix from predicted position.
void init_covariant_matrix ()
void init_cam_intrinsic ()
void init_state_3d_estimation ()
void init_transit_matrix ()

Private Attributes

bugl_curve_3d curve_3d_
 position and confidence of feature samples.
vcl_vector< double > prob_
vcl_vector< vcl_vector< bugl_gaussian_point_2d<
double > > > 
observes_
 used for matching point.
vcl_vector< double > time_tick_
 each element represents shooting times for this frame.
vcl_vector< vcl_vector< vdgl_digital_curve_sptr > > trackers_
 each element of the vector represents a projection of the same 3D curves.
vcl_vector< vnl_double_3 > motions_
int cur_pos_
 current frame position in history pool.
int queue_size_
int num_points_
int memory_size_
 how much the queue has been used.
vnl_vector_fixed< double, 6 > X_
 state vector.
vnl_matrix_fixed< double, 6, 6 > Q_
 covariant matrix of state vector.
vnl_matrix_fixed< double, 6, 2 > G_
 constraint kalman gain matrix.
vnl_matrix_fixed< double, 2, 2 > R_
 initial covariant matrix of state vector.
vnl_matrix_fixed< double, 6, 6 > Q0_
 covariant matrix of 2D projection.
vnl_double_2 * e_
 initial epipole.
vnl_double_3x3 K_
 camera intrinsic parameters.

Static Private Attributes

static const double large_num_
 used to denote outlier point in image.

Constructor & Destructor Documentation

kalman_filter::kalman_filter (  ) 

constructors.

kalman_filter::kalman_filter ( const char *  fname  ) 

virtual kalman_filter::~kalman_filter (  )  [virtual]


Member Function Documentation

vgl_point_2d<double> kalman_filter::get_cur_epipole (  )  const

get backprojection for debugging.

vcl_vector<vnl_matrix<double> > kalman_filter::get_back_projection (  )  const

vnl_matrix<double> kalman_filter::get_predicted_curve (  ) 

predict next curve.

vnl_double_3 kalman_filter::get_next_motion ( vnl_double_3  v  ) 

vcl_vector<vgl_point_2d<double> > kalman_filter::get_pre_observes (  ) 

vcl_vector<vgl_point_2d<double> > kalman_filter::get_cur_observes (  ) 

vcl_vector<vgl_point_2d<double> > kalman_filter::get_next_observes (  ) 

vcl_vector<vgl_point_3d<double> > kalman_filter::get_local_pts (  ) 

bugl_curve_3d kalman_filter::get_curve_3d (  ) 

void kalman_filter::read_data ( const char *  fname  ) 

read all the data including time stampes, trackers.

vcl_vector<vdgl_digital_curve_sptr> kalman_filter::read_tracker_file ( char *  fname  ) 

read vishual tracker result out of a file.

void kalman_filter::init (  ) 

initialize the kalman filter states.

void kalman_filter::init_epipole ( double  x,
double  y 
)

void kalman_filter::inc (  ) 

vnl_double_2 kalman_filter::projection ( const vnl_double_3x4 &  P,
const vnl_double_3 &  X 
)

vcl_vector<double> kalman_filter::read_timestamp_file ( char *  fname  )  [protected]

read time stamp.

double kalman_filter::matched_point_prob ( vnl_double_2 &  z,
vnl_double_2 &  z_pred 
) [protected]

if the zero probability returned, the matched point is a outlier.

vnl_matrix_fixed<double, 6, 6> kalman_filter::get_transit_matrix ( int  i,
int  j 
) [protected]

get time interval from ith frame to j-th frame.

void kalman_filter::update_confidence (  )  [protected]

update the confidence for each 3d point.

void kalman_filter::update_observes ( const vnl_double_3x4 &  P,
int  iframe 
) [protected]

update the matched points in the next frame using closest neighbour.

void kalman_filter::init_velocity (  )  [protected]

vnl_matrix_fixed<double, 2, 6> kalman_filter::get_H_matrix ( vnl_double_3x4 &  P,
vnl_double_3 &  Y 
) [protected]

set linearized observation matrix.

vnl_double_3x4 kalman_filter::get_projective_matrix ( const vnl_double_3 &  v  )  const [protected]

compute projective matrix from predicted position.

void kalman_filter::init_covariant_matrix (  )  [protected]

void kalman_filter::init_cam_intrinsic (  )  [protected]

void kalman_filter::init_state_3d_estimation (  )  [protected]

void kalman_filter::init_transit_matrix (  )  [protected]


Member Data Documentation

bugl_curve_3d kalman_filter::curve_3d_ [private]

position and confidence of feature samples.

Definition at line 94 of file kalman_filter.h.

vcl_vector<double> kalman_filter::prob_ [private]

Definition at line 96 of file kalman_filter.h.

vcl_vector<vcl_vector<bugl_gaussian_point_2d<double> > > kalman_filter::observes_ [private]

used for matching point.

Definition at line 99 of file kalman_filter.h.

vcl_vector<double> kalman_filter::time_tick_ [private]

each element represents shooting times for this frame.

Definition at line 102 of file kalman_filter.h.

vcl_vector<vcl_vector<vdgl_digital_curve_sptr> > kalman_filter::trackers_ [private]

each element of the vector represents a projection of the same 3D curves.

Definition at line 104 of file kalman_filter.h.

vcl_vector<vnl_double_3> kalman_filter::motions_ [private]

Definition at line 106 of file kalman_filter.h.

int kalman_filter::cur_pos_ [private]

current frame position in history pool.

Definition at line 108 of file kalman_filter.h.

int kalman_filter::queue_size_ [private]

Definition at line 109 of file kalman_filter.h.

int kalman_filter::num_points_ [private]

Definition at line 110 of file kalman_filter.h.

int kalman_filter::memory_size_ [private]

how much the queue has been used.

Definition at line 113 of file kalman_filter.h.

vnl_vector_fixed<double, 6> kalman_filter::X_ [private]

state vector.

Definition at line 116 of file kalman_filter.h.

vnl_matrix_fixed<double, 6, 6> kalman_filter::Q_ [private]

covariant matrix of state vector.

Definition at line 119 of file kalman_filter.h.

vnl_matrix_fixed<double, 6, 2> kalman_filter::G_ [private]

constraint kalman gain matrix.

Definition at line 122 of file kalman_filter.h.

vnl_matrix_fixed<double, 2, 2> kalman_filter::R_ [private]

initial covariant matrix of state vector.

Definition at line 125 of file kalman_filter.h.

vnl_matrix_fixed<double, 6, 6> kalman_filter::Q0_ [private]

covariant matrix of 2D projection.

Definition at line 128 of file kalman_filter.h.

vnl_double_2* kalman_filter::e_ [private]

initial epipole.

Definition at line 131 of file kalman_filter.h.

vnl_double_3x3 kalman_filter::K_ [private]

camera intrinsic parameters.

Definition at line 134 of file kalman_filter.h.

const double kalman_filter::large_num_ [static, private]

used to denote outlier point in image.

Definition at line 137 of file kalman_filter.h.


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