#include <features2d.hpp>

Inheritance diagram for cv::SURF:

Public Member Functions
	SURF ()
	the default constructor More...

	SURF (double hessianThreshold, int nOctaves=4, int nOctaveLayers=2, bool extended=true, bool upright=false)
	the full constructor taking all the necessary parameters More...

int	descriptorSize () const
	returns the descriptor size in float's (64 or 128) More...

int	descriptorType () const
	returns the descriptor type More...

void	operator() (InputArray img, InputArray mask, CV_OUT vector< KeyPoint > &keypoints) const
	finds the keypoints using fast hessian detector used in SURF More...

void	operator() (InputArray img, InputArray mask, CV_OUT vector< KeyPoint > &keypoints, OutputArray descriptors, bool useProvidedKeypoints=false) const
	finds the keypoints and computes their descriptors. Optionally it can compute descriptors for the user-provided keypoints More...

AlgorithmInfo *	info () const

Public Member Functions inherited from cv::Feature2D
void	compute (const Mat &image, CV_OUT CV_IN_OUT std::vector< KeyPoint > &keypoints, CV_OUT Mat &descriptors) const

Public Member Functions inherited from cv::FeatureDetector
virtual	~FeatureDetector ()

void	detect (const Mat &image, CV_OUT vector< KeyPoint > &keypoints, const Mat &mask=Mat()) const

void	detect (const vector< Mat > &images, vector< vector< KeyPoint > > &keypoints, const vector< Mat > &masks=vector< Mat >()) const

virtual bool	empty () const

Public Member Functions inherited from cv::Algorithm
	Algorithm ()

virtual	~Algorithm ()

string	name () const

template<typename _Tp >
ParamType< _Tp >::member_type	get (const string &name) const

template<typename _Tp >
ParamType< _Tp >::member_type	get (const char *name) const

int	getInt (const string &name) const

double	getDouble (const string &name) const

bool	getBool (const string &name) const

string	getString (const string &name) const

Mat	getMat (const string &name) const

vector< Mat >	getMatVector (const string &name) const

Ptr< Algorithm >	getAlgorithm (const string &name) const

void	set (const string &name, int value)

void	set (const string &name, double value)

void	set (const string &name, bool value)

void	set (const string &name, const string &value)

void	set (const string &name, const Mat &value)

void	set (const string &name, const vector< Mat > &value)

void	set (const string &name, const Ptr< Algorithm > &value)

template<typename _Tp >
void	set (const string &name, const Ptr< _Tp > &value)

void	setInt (const string &name, int value)

void	setDouble (const string &name, double value)

void	setBool (const string &name, bool value)

void	setString (const string &name, const string &value)

void	setMat (const string &name, const Mat &value)

void	setMatVector (const string &name, const vector< Mat > &value)

void	setAlgorithm (const string &name, const Ptr< Algorithm > &value)

template<typename _Tp >
void	setAlgorithm (const string &name, const Ptr< _Tp > &value)

void	set (const char *name, int value)

void	set (const char *name, double value)

void	set (const char *name, bool value)

void	set (const char *name, const string &value)

void	set (const char *name, const Mat &value)

void	set (const char *name, const vector< Mat > &value)

void	set (const char *name, const Ptr< Algorithm > &value)

template<typename _Tp >
void	set (const char *name, const Ptr< _Tp > &value)

void	setInt (const char *name, int value)

void	setDouble (const char *name, double value)

void	setBool (const char *name, bool value)

void	setString (const char *name, const string &value)

void	setMat (const char *name, const Mat &value)

void	setMatVector (const char *name, const vector< Mat > &value)

void	setAlgorithm (const char *name, const Ptr< Algorithm > &value)

template<typename _Tp >
void	setAlgorithm (const char *name, const Ptr< _Tp > &value)

string	paramHelp (const string &name) const

int	paramType (const char *name) const

int	paramType (const string &name) const

void	getParams (CV_OUT vector< string > &names) const

virtual void	write (FileStorage &fs) const

virtual void	read (const FileNode &fn)

Public Member Functions inherited from cv::DescriptorExtractor
virtual	~DescriptorExtractor ()

void	compute (const Mat &image, CV_OUT CV_IN_OUT vector< KeyPoint > &keypoints, CV_OUT Mat &descriptors) const

void	compute (const vector< Mat > &images, vector< vector< KeyPoint > > &keypoints, vector< Mat > &descriptors) const

virtual bool	empty () const

Public Attributes
double	hessianThreshold

int	nOctaves

int	nOctaveLayers

bool	extended

bool	upright

Protected Member Functions
void	detectImpl (const Mat &image, vector< KeyPoint > &keypoints, const Mat &mask=Mat()) const

void	computeImpl (const Mat &image, vector< KeyPoint > &keypoints, Mat &descriptors) const

Additional Inherited Members
Public Types inherited from cv::Algorithm
typedef Algorithm (	Constructor) (void)

typedef int(Algorithm::*	Getter) () const

typedef void(Algorithm::*	Setter) (int)

Static Public Member Functions inherited from cv::Feature2D
static Ptr< Feature2D >	create (const string &name)

Static Public Member Functions inherited from cv::FeatureDetector
static Ptr< FeatureDetector >	create (const string &detectorType)

Static Public Member Functions inherited from cv::Algorithm
static void	getList (CV_OUT vector< string > &algorithms)

static Ptr< Algorithm >	_create (const string &name)

template<typename _Tp >
static Ptr< _Tp >	create (const string &name)

Static Public Member Functions inherited from cv::DescriptorExtractor
static Ptr< DescriptorExtractor >	create (const string &descriptorExtractorType)

Static Protected Member Functions inherited from cv::FeatureDetector
static void	removeInvalidPoints (const Mat &mask, vector< KeyPoint > &keypoints)

Static Protected Member Functions inherited from cv::DescriptorExtractor
static void	removeBorderKeypoints (vector< KeyPoint > &keypoints, Size imageSize, int borderSize)

Detailed Description

SURF implementation.

The class implements SURF algorithm by H. Bay et al.

Constructor & Destructor Documentation

§ SURF() [1/2]

cv::SURF::SURF ( )

the default constructor

§ SURF() [2/2]

cv::SURF::SURF	(	double	hessianThreshold,
		int	nOctaves = `4`,
		int	nOctaveLayers = `2`,
		bool	extended = `true`,
		bool	upright = `false`
	)

explicit

the full constructor taking all the necessary parameters

Member Function Documentation

§ computeImpl()

void cv::SURF::computeImpl	(	const Mat &	image,
		vector< KeyPoint > &	keypoints,
		Mat &	descriptors
	)		const

protectedvirtual

Implements cv::DescriptorExtractor.

§ descriptorSize()

int cv::SURF::descriptorSize ( ) const

virtual

returns the descriptor size in float's (64 or 128)

Implements cv::DescriptorExtractor.

§ descriptorType()

int cv::SURF::descriptorType ( ) const

virtual

returns the descriptor type

Implements cv::DescriptorExtractor.

§ detectImpl()

void cv::SURF::detectImpl	(	const Mat &	image,
		vector< KeyPoint > &	keypoints,
		const Mat &	mask = `Mat()`
	)		const

protectedvirtual

Implements cv::FeatureDetector.

§ info()

AlgorithmInfo* cv::SURF::info ( ) const

virtual

Reimplemented from cv::Algorithm.

§ operator()() [1/2]

void cv::SURF::operator()	(	InputArray	img,
		InputArray	mask,
		CV_OUT vector< KeyPoint > &	keypoints
	)		const

finds the keypoints using fast hessian detector used in SURF

§ operator()() [2/2]

void cv::SURF::operator()	(	InputArray	img,
		InputArray	mask,
		CV_OUT vector< KeyPoint > &	keypoints,
		OutputArray	descriptors,
		bool	useProvidedKeypoints = `false`
	)		const

virtual

finds the keypoints and computes their descriptors. Optionally it can compute descriptors for the user-provided keypoints

Implements cv::Feature2D.

Member Data Documentation

§ extended

bool cv::SURF::extended

§ hessianThreshold

double cv::SURF::hessianThreshold

§ nOctaveLayers

int cv::SURF::nOctaveLayers

§ nOctaves

int cv::SURF::nOctaves

§ upright

bool cv::SURF::upright

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

nonfree/include/opencv2/nonfree/features2d.hpp

Public Member Functions

Public Attributes

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

§ SURF() [1/2]

§ SURF() [2/2]

Member Function Documentation

§ computeImpl()

§ descriptorSize()

§ descriptorType()

§ detectImpl()

§ info()

§ operator()() [1/2]

§ operator()() [2/2]

Member Data Documentation

§ extended

§ hessianThreshold

§ nOctaveLayers

§ nOctaves

§ upright