cv::TrackerFeatureHAAR Class Reference

TrackerFeature based on HAAR features, used by TrackerMIL and many others algorithms. More...

#include "tracker.hpp"

Inheritance diagram for cv::TrackerFeatureHAAR:

Classes
struct	Params

Public Member Functions
	TrackerFeatureHAAR (const TrackerFeatureHAAR::Params &parameters=TrackerFeatureHAAR::Params())
	Constructor. More...
	~TrackerFeatureHAAR () CV_OVERRIDE
bool	extractSelected (const std::vector< int > selFeatures, const std::vector< Mat > &images, Mat &response)
	Compute the features only for the selected indices in the images collection. More...
CvHaarEvaluator::FeatureHaar &	getFeatureAt (int id)
	Get the feature in position id. More...
void	selection (Mat &response, int npoints) CV_OVERRIDE
	Identify most effective features. More...
bool	swapFeature (int source, int target)
	Swap the feature in position source with the feature in position target. More...
bool	swapFeature (int id, CvHaarEvaluator::FeatureHaar &feature)
	Swap the feature in position id with the feature input. More...
Public Member Functions inherited from cv::TrackerFeature
virtual	~TrackerFeature ()
void	compute (const std::vector< Mat > &images, Mat &response)
	Compute the features in the images collection. More...
String	getClassName () const
	Get the name of the specific TrackerFeature. More...

Protected Member Functions
bool	computeImpl (const std::vector< Mat > &images, Mat &response) CV_OVERRIDE

Additional Inherited Members
Static Public Member Functions inherited from cv::TrackerFeature
static Ptr< TrackerFeature >	create (const String &trackerFeatureType)
	Create TrackerFeature by tracker feature type. More...
Protected Attributes inherited from cv::TrackerFeature
String	className

Detailed Description

TrackerFeature based on HAAR features, used by TrackerMIL and many others algorithms.

Note

HAAR features implementation is copied from apps/traincascade and modified according to MIL

Constructor & Destructor Documentation

TrackerFeatureHAAR()

cv::TrackerFeatureHAAR::TrackerFeatureHAAR

(

const TrackerFeatureHAAR::Params &

parameters = TrackerFeatureHAAR::Params()

)

Constructor.

Parameters

parameters

TrackerFeatureHAAR parameters TrackerFeatureHAAR::Params

~TrackerFeatureHAAR()

cv::TrackerFeatureHAAR::~TrackerFeatureHAAR

(

)

Member Function Documentation

computeImpl()

bool cv::TrackerFeatureHAAR::computeImpl ( const std::vector< Mat > &  images, Mat &  response  )

protectedvirtual

Implements cv::TrackerFeature.

extractSelected()

bool cv::TrackerFeatureHAAR::extractSelected	(	const std::vector< int >	selFeatures,
		const std::vector< Mat > &	images,
		Mat &	response
	)

Compute the features only for the selected indices in the images collection.

Parameters

selFeatures	indices of selected features
images	The images
response	Collection of response for the specific TrackerFeature

getFeatureAt()

CvHaarEvaluator::FeatureHaar& cv::TrackerFeatureHAAR::getFeatureAt

(

int

id

)

Get the feature in position id.

Parameters

id	The position

selection()

void cv::TrackerFeatureHAAR::selection ( Mat &  response, int  npoints  )

virtual

Identify most effective features.

Parameters

response	Collection of response for the specific TrackerFeature
npoints	Max number of features

Note

This method modifies the response parameter

Implements cv::TrackerFeature.

swapFeature() [1/2]

bool cv::TrackerFeatureHAAR::swapFeature	(	int	source,
		int	target
	)

Swap the feature in position source with the feature in position target.

Parameters

source	The source position
target	The target position

swapFeature() [2/2]

bool cv::TrackerFeatureHAAR::swapFeature	(	int	id,
		CvHaarEvaluator::FeatureHaar &	feature
	)

Swap the feature in position id with the feature input.

Parameters

id	The position
feature	The feature

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

• /build/3_4-contrib_docs-lin64/opencv_contrib/modules/tracking/include/opencv2/tracking/tracker.hpp