Speeded up robust features, port from GPU module. /////////////////////////////// SURF //////////////////////////////////////////. More...

#include <ocl.hpp>

Inheritance diagram for cv::ocl::SURF_OCL:

Public Types
enum	KeypointLayout { X_ROW = 0, Y_ROW, LAPLACIAN_ROW, OCTAVE_ROW, SIZE_ROW, ANGLE_ROW, HESSIAN_ROW, ROWS_COUNT }

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

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

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

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

	SURF_OCL (double _hessianThreshold, int _nOctaves=4, int _nOctaveLayers=2, bool _extended=true, float _keypointsRatio=0.01f, 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

void	uploadKeypoints (const vector< cv::KeyPoint > &keypoints, oclMat &keypointsocl)
	upload host keypoints to device memory More...

void	downloadKeypoints (const oclMat &keypointsocl, vector< KeyPoint > &keypoints)
	download keypoints from device to host memory More...

void	downloadDescriptors (const oclMat &descriptorsocl, vector< float > &descriptors)
	download descriptors from device to host memory More...

void	operator() (const oclMat &img, const oclMat &mask, oclMat &keypoints)

void	operator() (const oclMat &img, const oclMat &mask, oclMat &keypoints, oclMat &descriptors, bool useProvidedKeypoints=false)

void	operator() (const oclMat &img, const oclMat &mask, std::vector< KeyPoint > &keypoints)

void	operator() (const oclMat &img, const oclMat &mask, std::vector< KeyPoint > &keypoints, oclMat &descriptors, bool useProvidedKeypoints=false)

void	operator() (const oclMat &img, const oclMat &mask, std::vector< KeyPoint > &keypoints, std::vector< float > &descriptors, bool useProvidedKeypoints=false)

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

void	releaseMemory ()

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
float	hessianThreshold

int	nOctaves

int	nOctaveLayers

bool	extended

bool	upright

float	keypointsRatio
	max keypoints = min(keypointsRatio * img.size().area(), 65535) More...

oclMat	sum

oclMat	mask1

oclMat	maskSum

oclMat	intBuffer

oclMat	det

oclMat	trace

oclMat	maxPosBuffer

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

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

Additional Inherited Members
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

Speeded up robust features, port from GPU module. /////////////////////////////// SURF //////////////////////////////////////////.

Member Enumeration Documentation

§ KeypointLayout

enum cv::ocl::SURF_OCL::KeypointLayout

Enumerator
X_ROW
Y_ROW
LAPLACIAN_ROW
OCTAVE_ROW
SIZE_ROW
ANGLE_ROW
HESSIAN_ROW
ROWS_COUNT

Constructor & Destructor Documentation

§ SURF_OCL() [1/2]

cv::ocl::SURF_OCL::SURF_OCL ( )

the default constructor

§ SURF_OCL() [2/2]

cv::ocl::SURF_OCL::SURF_OCL	(	double	_hessianThreshold,
		int	_nOctaves = `4`,
		int	_nOctaveLayers = `2`,
		bool	_extended = `true`,
		float	_keypointsRatio = `0.01f`,
		bool	_upright = `false`
	)

explicit

the full constructor taking all the necessary parameters

Member Function Documentation

§ computeImpl()

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

protectedvirtual

Implements cv::DescriptorExtractor.

§ descriptorSize()

int cv::ocl::SURF_OCL::descriptorSize ( ) const

virtual

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

Implements cv::DescriptorExtractor.

§ descriptorType()

int cv::ocl::SURF_OCL::descriptorType ( ) const

virtual

Implements cv::DescriptorExtractor.

§ detectImpl()

void cv::ocl::SURF_OCL::detectImpl	(	const Mat &	image,
		vector< KeyPoint > &	keypoints,
		const Mat &	mask
	)		const

protectedvirtual

Implements cv::FeatureDetector.

§ downloadDescriptors()

void cv::ocl::SURF_OCL::downloadDescriptors	(	const oclMat &	descriptorsocl,
		vector< float > &	descriptors
	)

download descriptors from device to host memory

§ downloadKeypoints()

void cv::ocl::SURF_OCL::downloadKeypoints	(	const oclMat &	keypointsocl,
		vector< KeyPoint > &	keypoints
	)

download keypoints from device to host memory

§ info()

AlgorithmInfo* cv::ocl::SURF_OCL::info ( ) const

virtual

Reimplemented from cv::Algorithm.

§ operator()() [1/7]

void cv::ocl::SURF_OCL::operator()	(	const oclMat &	img,
		const oclMat &	mask,
		oclMat &	keypoints
	)

finds the keypoints using fast hessian detector used in SURF supports CV_8UC1 images keypoints will have nFeature cols and 6 rows keypoints.ptr<float>(X_ROW)[i] will contain x coordinate of i'th feature keypoints.ptr<float>(Y_ROW)[i] will contain y coordinate of i'th feature keypoints.ptr<float>(LAPLACIAN_ROW)[i] will contain laplacian sign of i'th feature keypoints.ptr<float>(OCTAVE_ROW)[i] will contain octave of i'th feature keypoints.ptr<float>(SIZE_ROW)[i] will contain size of i'th feature keypoints.ptr<float>(ANGLE_ROW)[i] will contain orientation of i'th feature keypoints.ptr<float>(HESSIAN_ROW)[i] will contain response of i'th feature

§ operator()() [2/7]

void cv::ocl::SURF_OCL::operator()	(	const oclMat &	img,
		const oclMat &	mask,
		oclMat &	keypoints,
		oclMat &	descriptors,
		bool	useProvidedKeypoints = `false`
	)

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

§ operator()() [3/7]

void cv::ocl::SURF_OCL::operator()	(	const oclMat &	img,
		const oclMat &	mask,
		std::vector< KeyPoint > &	keypoints
	)

§ operator()() [4/7]

void cv::ocl::SURF_OCL::operator()	(	const oclMat &	img,
		const oclMat &	mask,
		std::vector< KeyPoint > &	keypoints,
		oclMat &	descriptors,
		bool	useProvidedKeypoints = `false`
	)

§ operator()() [5/7]

void cv::ocl::SURF_OCL::operator()	(	const oclMat &	img,
		const oclMat &	mask,
		std::vector< KeyPoint > &	keypoints,
		std::vector< float > &	descriptors,
		bool	useProvidedKeypoints = `false`
	)

§ operator()() [6/7]

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

finds the keypoints using fast hessian detector used in SURF

§ operator()() [7/7]

void cv::ocl::SURF_OCL::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.

§ releaseMemory()

void cv::ocl::SURF_OCL::releaseMemory ( )

§ uploadKeypoints()

void cv::ocl::SURF_OCL::uploadKeypoints	(	const vector< cv::KeyPoint > &	keypoints,
		oclMat &	keypointsocl
	)

upload host keypoints to device memory

Member Data Documentation

§ det

oclMat cv::ocl::SURF_OCL::det

§ extended

bool cv::ocl::SURF_OCL::extended

§ hessianThreshold

float cv::ocl::SURF_OCL::hessianThreshold

§ intBuffer

oclMat cv::ocl::SURF_OCL::intBuffer

§ keypointsRatio

float cv::ocl::SURF_OCL::keypointsRatio

max keypoints = min(keypointsRatio * img.size().area(), 65535)

§ mask1

oclMat cv::ocl::SURF_OCL::mask1

§ maskSum

oclMat cv::ocl::SURF_OCL::maskSum

§ maxPosBuffer

oclMat cv::ocl::SURF_OCL::maxPosBuffer

§ nOctaveLayers

int cv::ocl::SURF_OCL::nOctaveLayers

§ nOctaves

int cv::ocl::SURF_OCL::nOctaves

§ sum

oclMat cv::ocl::SURF_OCL::sum

§ trace

oclMat cv::ocl::SURF_OCL::trace

§ upright

bool cv::ocl::SURF_OCL::upright

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

nonfree/include/opencv2/nonfree/ocl.hpp

Public Types

Public Member Functions

Public Attributes

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

§ KeypointLayout

Constructor & Destructor Documentation

§ SURF_OCL() [1/2]

§ SURF_OCL() [2/2]

Member Function Documentation

§ computeImpl()

§ descriptorSize()

§ descriptorType()

§ detectImpl()

§ downloadDescriptors()

§ downloadKeypoints()

§ info()

§ operator()() [1/7]

§ operator()() [2/7]

§ operator()() [3/7]

§ operator()() [4/7]

§ operator()() [5/7]

§ operator()() [6/7]

§ operator()() [7/7]

§ releaseMemory()

§ uploadKeypoints()

Member Data Documentation

§ det

§ extended

§ hessianThreshold

§ intBuffer

§ keypointsRatio

§ mask1

§ maskSum

§ maxPosBuffer

§ nOctaveLayers

§ nOctaves

§ sum

§ trace

§ upright