#include <strk_info_model_tracker.h>

Inheritance diagram for strk_info_model_tracker:

Public Member Functions
	strk_info_model_tracker (strk_info_model_tracker_params &tp)
	constructor from a parameter block (the only way).
	~strk_info_model_tracker ()
	Default Destructor.
void	set_image_0 (vil1_image &image)
	Set the previous frame image.
void	set_image_i (vil1_image &image)
	Set the next frame image.
void	set_initial_model (vcl_vector< vtol_face_2d_sptr > const &faces)
strk_art_info_model_sptr	get_best_sample ()
	because of sorting, the best sample will be the first current sample.
void	get_samples (vcl_vector< strk_art_info_model_sptr > &samples)
	because of sorting the samples will be in descending order of mutual info.
strk_art_info_model_sptr	tf (int i)
void	init ()
	Initialize the info_tracker.
void	generate_samples ()
	generate a random set of new faces from the existing samples.
void	cull_samples ()
	cull out the best N hypothesized samples to become the current samples.
void	track ()
	Main tracking method.
void	clear ()
bool	SanityCheck ()
	Checks that parameters are within acceptable bounds.
Public Attributes
int	n_samples_
	number of samples generated per iteration
float	stem_trans_radius_
	translation range for stem
float	long_arm_tip_trans_radius_
	translation range for long arm tip
float	short_arm_tip_trans_radius_
	translation range for short arm tip
float	stem_angle_range_
	angle range for stem
float	long_arm_angle_range_
	angle range for long arm shoulder joint
float	short_arm_angle_range_
	angle range for short arm shoulder joint
float	long_arm_tip_angle_range_
	angle range for long arm tip
float	short_arm_tip_angle_range_
	angle range for short arm tip
float	sigma_
	scale range for generating samples
bool	gradient_info_
	Combine gradient and intensity info.
bool	verbose_
	informative messages to cout
Protected Member Functions
void	fill_face (vtol_intensity_face_sptr const &face, vil1_memory_image_of< float > const &image)
	fill the pixels in the input face from the input image.
void	set_gradient (strk_art_info_model_sptr tf, vil1_memory_image_of< float > const &Ix, vil1_memory_image_of< float > const &Iy)
	set the gradient values in the model face.
strk_art_info_model_sptr	generate_model (strk_art_info_model_sptr const &seed)
	Generate a random sample.
double	compute_intensity_mutual_information (strk_art_info_model_sptr tf)
double	compute_gradient_mutual_information (strk_art_info_model_sptr tf)
void	InitParams (int n_samples, float stem_trans_radius, float long_arm_tip_trans_radius, float short_arm_tip_trans_radius, float stem_angle_range, float long_arm_angle_range, float short_arm_angle_range, float long_arm_tip_angle_range, float short_arm_tip_angle_range, float sigma, bool gradient_info, bool verbose)
Protected Attributes
vil1_memory_image_of< float >	image_0_
vil1_memory_image_of< float >	image_i_
vil1_memory_image_of< float >	Ix_0_
vil1_memory_image_of< float >	Iy_0_
vil1_memory_image_of< float >	Ix_i_
vil1_memory_image_of< float >	Iy_i_
vcl_vector< vtol_face_2d_sptr >	initial_model_
vcl_vector < strk_art_info_model_sptr >	current_samples_
vcl_vector < strk_art_info_model_sptr >	hypothesized_samples_
double	model_intensity_entropy_
double	model_gradient_dir_entropy_
Friends
vcl_ostream &	operator<< (vcl_ostream &, const strk_info_model_tracker_params &)

Detailed Description

Definition at line 33 of file strk_info_model_tracker.h.

Constructor & Destructor Documentation

strk_info_model_tracker::strk_info_model_tracker ( strk_info_model_tracker_params & tp )

constructor from a parameter block (the only way).

Definition at line 30 of file strk_info_model_tracker.cxx.

strk_info_model_tracker::~strk_info_model_tracker ( )

Default Destructor.

Definition at line 36 of file strk_info_model_tracker.cxx.

Member Function Documentation

void strk_info_model_tracker::clear ( )

Definition at line 202 of file strk_info_model_tracker.cxx.

double strk_info_model_tracker::compute_gradient_mutual_information ( strk_art_info_model_sptr tf ) [protected]

double strk_info_model_tracker::compute_intensity_mutual_information ( strk_art_info_model_sptr tf ) [protected]

void strk_info_model_tracker::cull_samples ( )

cull out the best N hypothesized samples to become the current samples.

Definition at line 159 of file strk_info_model_tracker.cxx.

void strk_info_model_tracker::fill_face	(	vtol_intensity_face_sptr const &	face,
		vil1_memory_image_of< float > const &	image
	)		`[protected]`

fill the pixels in the input face from the input image.

strk_art_info_model_sptr strk_info_model_tracker::generate_model ( strk_art_info_model_sptr const & seed ) [protected]

Generate a random sample.

generate a randomly positioned articulated model.

Definition at line 108 of file strk_info_model_tracker.cxx.

void strk_info_model_tracker::generate_samples ( )

generate a random set of new faces from the existing samples.

Definition at line 130 of file strk_info_model_tracker.cxx.

strk_art_info_model_sptr strk_info_model_tracker::get_best_sample ( )

because of sorting, the best sample will be the first current sample.

Definition at line 174 of file strk_info_model_tracker.cxx.

void strk_info_model_tracker::get_samples ( vcl_vector< strk_art_info_model_sptr > & samples )

because of sorting the samples will be in descending order of mutual info.

Definition at line 183 of file strk_info_model_tracker.cxx.

void strk_info_model_tracker::init ( )

Initialize the info_tracker.

Definition at line 84 of file strk_info_model_tracker.cxx.

void strk_info_model_tracker_params::InitParams	(	int	n_samples,
		float	stem_trans_radius,
		float	long_arm_tip_trans_radius,
		float	short_arm_tip_trans_radius,
		float	stem_angle_range,
		float	long_arm_angle_range,
		float	short_arm_angle_range,
		float	long_arm_tip_angle_range,
		float	short_arm_tip_angle_range,
		float	sigma,
		bool	gradient_info,
		bool	verbose
	)		`[protected, inherited]`

Definition at line 61 of file strk_info_model_tracker_params.cxx.

bool strk_info_model_tracker_params::SanityCheck ( ) [inherited]

Checks that parameters are within acceptable bounds.

Note that msg << ends seems to restart the string and erase the previous string. We should only use it as the last call use; vcl_endl otherwise.

Definition at line 94 of file strk_info_model_tracker_params.cxx.

void strk_info_model_tracker::set_gradient	(	strk_art_info_model_sptr	tf,
		vil1_memory_image_of< float > const &	Ix,
		vil1_memory_image_of< float > const &	Iy
	)		`[protected]`