OpenCV  4.0.0-dev
Open Source Computer Vision
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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:
cv::TrackerFeature

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::FeatureHaargetFeatureAt (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< TrackerFeaturecreate (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
parametersTrackerFeatureHAAR 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
selFeaturesindices of selected features
imagesThe images
responseCollection of response for the specific TrackerFeature

§ getFeatureAt()

CvHaarEvaluator::FeatureHaar& cv::TrackerFeatureHAAR::getFeatureAt ( int  id)

Get the feature in position id.

Parameters
idThe position

§ selection()

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

Identify most effective features.

Parameters
responseCollection of response for the specific TrackerFeature
npointsMax 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
sourceThe source position
targetThe 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
idThe position
featureThe feature

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