Version of TrackerFeatures using external container. More...

#include <EC.h>

Inheritance diagram for alvar::TrackerFeaturesEC:

Public Member Functions
template<typename T >
bool	AddFeatures (std::map< int, T > &container, int type_id=0, int first_id=0, int last_id=65535)
	add features to the previously tracked frame if there are less than min_features More...

bool	DelFeature (int index)

bool	DelFeatureId (int id)

template<typename T >
int	EraseNonTracked (std::map< int, T > &container, int type_id=-1)
	Erases the items matching with type_id having has_p2d == false . If type_id == -1 doesn't test the type. More...

void	Purge ()
	Purge features that are considerably closer than the defined min_distance. More...

void	Reset ()

double	Reset (IplImage img, IplImage mask)

template<typename T >
bool	Track (IplImage img, IplImage mask, std::map< int, T > &container, int type_id=-1, int first_id=-1, int last_id=-1)
	Track features with matching type id. New features will have id's in the specified id range. More...

template<typename T , typename F >
bool	Track (IplImage img, IplImage mask, std::map< int, T > &container, F do_handle_test, int type_id=0, int first_id=-1, int last_id=-1)
	Track features matching the given functor. New features will have id's in the specified id range. More...

	TrackerFeaturesEC (int _max_features=100, int _min_features=90, double _quality_level=0.01, double _min_distance=10, int _pyr_levels=4, int win_size=6)
	Constructor. More...

Public Member Functions inherited from alvar::TrackerFeatures
int	AddFeatures (IplImage *mask=NULL)
	add features to the previously tracked frame if there are less than min_features More...

void	ChangeSettings (int _max_features=100, int _min_features=90, double _quality_level=0.01, double _min_distance=10)
	Change settings while running. More...

bool	DelFeature (int index)
	Stop tracking the identified feature (with index for features array) More...

bool	DelFeatureId (int id)
	Stop tracking the identified feature (with feature id) More...

IplImage *	NewFeatureMask ()
	Create and get the pointer to new_features_mask. More...

int	Purge ()
	Purge features that are considerably closer than the defined min_distance. More...

void	Reset ()
	Reset. More...

double	Reset (IplImage img, IplImage mask)
	Reset track features on specified mask area. More...

double	Track (IplImage *img)
	Track features. More...

double	Track (IplImage *img, bool add_features)
	Track features. More...

double	Track (IplImage img, IplImage mask)
	Track features. More...

	TrackerFeatures (int _max_features=100, int _min_features=90, double _quality_level=0.01, double _min_distance=10, int _pyr_levels=1, int _win_size=3)
	Constructor for TrackerFeatures tracks features using OpenCV's cvGoodFeaturesToTrack and cvCalcOpticalFlowPyrLK. More...

	~TrackerFeatures ()
	Destructor. More...

Public Member Functions inherited from alvar::Tracker
virtual void	Compensate (double x, double y)

	Tracker ()

Protected Attributes
bool	purge

Protected Attributes inherited from alvar::TrackerFeatures
int	frame_count

IplImage *	gray

IplImage *	img_eig

IplImage *	img_tmp

IplImage *	mask

int	max_features

double	min_distance

int	min_features

int	next_id

IplImage *	prev_gray

IplImage *	prev_pyramid

int	pyr_levels

IplImage *	pyramid

double	quality_level

char *	status

int	win_size

int	x_res

int	y_res

Additional Inherited Members
Public Attributes inherited from alvar::TrackerFeatures
int	feature_count
	Track result: count of current features More...

CvPoint2D32f *	features
	Track result: current features More...

int *	ids
	Track result: ID:s for current features More...

int	prev_feature_count
	Track result: count of previous features More...

CvPoint2D32f *	prev_features
	Track result: previous features More...

int *	prev_ids
	Track result: ID:s for previous features More...

Protected Member Functions inherited from alvar::TrackerFeatures
double	TrackHid (IplImage img, IplImage mask=NULL, bool add_features=true)
	Reset track features on specified mask area. More...

Detailed Description

Version of TrackerFeatures using external container.

Definition at line 252 of file EC.h.

Constructor & Destructor Documentation

alvar::TrackerFeaturesEC::TrackerFeaturesEC	(	int	_max_features = `100`,
		int	_min_features = `90`,
		double	_quality_level = `0.01`,
		double	_min_distance = `10`,
		int	_pyr_levels = `4`,
		int	win_size = `6`
	)

inline

Constructor.

Definition at line 257 of file EC.h.

Member Function Documentation

template<typename T >

bool alvar::TrackerFeaturesEC::AddFeatures	(	std::map< int, T > &	container,
		int	type_id = `0`,
		int	first_id = `0`,
		int	last_id = `65535`
	)

inline

add features to the previously tracked frame if there are less than min_features

Definition at line 358 of file EC.h.

bool alvar::TrackerFeaturesEC::DelFeature ( int index )

inline

Definition at line 387 of file EC.h.

bool alvar::TrackerFeaturesEC::DelFeatureId ( int id )

inline

Definition at line 388 of file EC.h.

template<typename T >

int alvar::TrackerFeaturesEC::EraseNonTracked	(	std::map< int, T > &	container,
		int	type_id = `-1`
	)

inline

Erases the items matching with type_id having has_p2d == false . If type_id == -1 doesn't test the type.

Definition at line 375 of file EC.h.

void alvar::TrackerFeaturesEC::Purge ( )

inline

Purge features that are considerably closer than the defined min_distance.

Note, that we always try to maintain the smaller id's assuming that they are older ones

Definition at line 384 of file EC.h.

void alvar::TrackerFeaturesEC::Reset ( )

inline

Definition at line 385 of file EC.h.

double alvar::TrackerFeaturesEC::Reset	(	IplImage *	img,
		IplImage *	mask
	)

inline

Definition at line 386 of file EC.h.

template<typename T >

bool alvar::TrackerFeaturesEC::Track	(	IplImage *	img,
		IplImage *	mask,
		std::map< int, T > &	container,
		int	type_id = `-1`,
		int	first_id = `-1`,
		int	last_id = `-1`
	)

inline

Track features with matching type id. New features will have id's in the specified id range.

Definition at line 262 of file EC.h.

template<typename T , typename F >

bool alvar::TrackerFeaturesEC::Track	(	IplImage *	img,
		IplImage *	mask,
		std::map< int, T > &	container,
		F	do_handle_test,
		int	type_id = `0`,
		int	first_id = `-1`,
		int	last_id = `-1`
	)

inline

Track features matching the given functor. New features will have id's in the specified id range.

Track features matching the given functor. If first_id >= 0 we call AddFeatures with the specified id range.

Definition at line 311 of file EC.h.

Member Data Documentation

bool alvar::TrackerFeaturesEC::purge

protected

Definition at line 254 of file EC.h.

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

EC.h

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation