CVFeatureManager Class Reference

Wrapper class around OpenCV feature detector & describer. More...

#include <CVFeatureManager.h>

Public Member Functions
	CVFeatureManager ()
	~CVFeatureManager ()
void	detect (CVInputArray image, CVVKeyPoint &keypoints, CVInputArray mask=cv::noArray())
void	describe (CVInputArray image, CVVKeyPoint &keypoints, CVOutputArray descriptors)
void	detectAndDescribe (CVInputArray image, CVVKeyPoint &keypoints, CVOutputArray descriptors, CVInputArray mask=cv::noArray())
void	createDetectorDescriptor (CVDetectDescribeType detectDescribeType)
	Creates a detector and decriptor to the passed type. More...
void	setDetectorDescriptor (CVDetectDescribeType detectDescribeType, cv::Ptr< CVFeature2D > detector, cv::Ptr< CVFeature2D > descriptor)
	Sets the detector and decriptor to the passed ones. More...
CVDetectDescribeType	type ()

Private Attributes
CVDetectDescribeType	_type
	Type of detector-descriptor pair. More...
cv::Ptr< CVFeature2D >	_detector
	CV smart pointer to the OpenCV feature detector. More...
cv::Ptr< CVFeature2D >	_descriptor
	CV smart pointer to the OpenCV descriptor extractor. More...

Detailed Description

Wrapper class around OpenCV feature detector & describer.

Definition at line 39 of file CVFeatureManager.h.

Constructor & Destructor Documentation

CVFeatureManager()

CVFeatureManager::CVFeatureManager

(

)

Definition at line 26 of file CVFeatureManager.cpp.

{
    createDetectorDescriptor(DDT_RAUL_RAUL);
}

~CVFeatureManager()

CVFeatureManager::~CVFeatureManager

(

)

Definition at line 31 of file CVFeatureManager.cpp.

{
}

Member Function Documentation

createDetectorDescriptor()

void CVFeatureManager::createDetectorDescriptor

(

CVDetectDescribeType

detectDescribeType

)

Creates a detector and decriptor to the passed type.

Definition at line 36 of file CVFeatureManager.cpp.

{
    switch (type)
    {
#ifndef __EMSCRIPTEN__
        case DDT_FAST_BRIEF:
            _detector   = cv::FastFeatureDetector::create(30,
                                                        true,
                                                        cv::FastFeatureDetector::TYPE_9_16);
            _descriptor = cv::xfeatures2d::BriefDescriptorExtractor::create(32, true);
            break;
#endif
        case DDT_ORB_ORB:
            _detector   = cv::ORB::create(200,
                                        1.44f,
                                        3,
                                        31,
                                        0,
                                        2,
                                        cv::ORB::HARRIS_SCORE,
                                        31,
                                        30);
            _descriptor = _detector;
            break;
        case DDT_RAUL_RAUL:
            _detector   = new CVRaulMurOrb(1500,
                                         1.44f,
                                         4,
                                         30,
                                         20);
            _descriptor = _detector;
            break;
#ifndef __EMSCRIPTEN__
        case DDT_SURF_SURF:
            _detector   = cv::xfeatures2d::SURF::create(100,
                                                      2,
                                                      2,
                                                      false,
                                                      false);
            _descriptor = _detector;
            break;
        case DDT_SIFT_SIFT:
#    if CV_MAJOR_VERSION == 4 && CV_MINOR_VERSION >= 5
            _detector = cv::SIFT::create(300,
                                         2,
                                         0.04,
                                         10,
                                         1.6);
#    else
            _detector = cv::xfeatures2d::SIFT::create(300,
                                                      2,
                                                      0.04,
                                                      10,
                                                      1.6);
#    endif
            _descriptor = _detector;
            break;
#endif
        default:
            Utils::exitMsg("SLProject",
                           "Unknown detector-descriptor type.",
                           __LINE__,
                           __FILE__);
    }
 
    _type = type;
}

describe()

void CVFeatureManager::describe	(	CVInputArray	image,
		CVVKeyPoint &	keypoints,
		CVOutputArray	descriptors
	)

detect()

void CVFeatureManager::detect	(	CVInputArray	image,
		CVVKeyPoint &	keypoints,
		CVInputArray	mask = cv::noArray()
	)

detectAndDescribe()

void CVFeatureManager::detectAndDescribe	(	CVInputArray	image,
		CVVKeyPoint &	keypoints,
		CVOutputArray	descriptors,
		CVInputArray	mask = cv::noArray()
	)

Definition at line 114 of file CVFeatureManager.cpp.

{
    assert(_detector && "CVFeatureManager::detectAndDescribe: No detector!");
    assert(_descriptor && "CVFeatureManager::detectAndDescribe: No descriptor!");
 
    if (_detector == _descriptor)
        _detector->detectAndCompute(image, mask, keypoints, descriptors);
    else
    {
        _detector->detect(image, keypoints, mask);
        _descriptor->compute(image, keypoints, descriptors);
    }
}

setDetectorDescriptor()

void CVFeatureManager::setDetectorDescriptor	(	CVDetectDescribeType	detectDescribeType,
		cv::Ptr< CVFeature2D >	detector,
		cv::Ptr< CVFeature2D >	descriptor
	)

Sets the detector and decriptor to the passed ones.

Definition at line 105 of file CVFeatureManager.cpp.

{
    _type       = type;
    _detector   = detector;
    _descriptor = descriptor;
}

type()

CVDetectDescribeType CVFeatureManager::type ( )

inline

Definition at line 64 of file CVFeatureManager.h.

{ return _type; }

Member Data Documentation

_descriptor

cv::Ptr<CVFeature2D> CVFeatureManager::_descriptor

private

CV smart pointer to the OpenCV descriptor extractor.

Definition at line 69 of file CVFeatureManager.h.

_detector

cv::Ptr<CVFeature2D> CVFeatureManager::_detector

private

CV smart pointer to the OpenCV feature detector.

Definition at line 68 of file CVFeatureManager.h.

_type

CVDetectDescribeType CVFeatureManager::_type

private

Type of detector-descriptor pair.

Definition at line 67 of file CVFeatureManager.h.

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

• CVFeatureManager.h
• CVFeatureManager.cpp