icl::cv::opensurf Namespace Reference

Classes
class	Kmeans
	Kmeans clustering. More...
class	ResponseLayer
	Response Layer class. More...
class	Surf
	Surf Feation class. More...

Typedefs
typedef SurfFeature	Ipoint
typedef std::vector< SurfFeature >	IpVec
typedef std::vector< SurfMatch >	IpPairVec

Functions
ICLCV_API void	getMatches (IpVec &ipts1, IpVec &ipts2, IpPairVec &matches)
ICLCV_API int	translateCorners (IpPairVec &matches, const CvPoint src_corners[4], CvPoint dst_corners[4])
ICLCV_API IplImage *	Integral (IplImage *img)
	Computes the integral image of image img. Assumes source image to be a. More...
ICLCV_API float	BoxIntegral (IplImage *img, int row, int col, int rows, int cols)
	Computes the sum of pixels within the rectangle. More...
ICLCV_API void	surfDetDes (IplImage *img, std::vector< Ipoint > &ipts, bool upright=false, int octaves=OCTAVES, int intervals=INTERVALS, int init_sample=INIT_SAMPLE, float thres=THRES)
	Library function builds vector of described interest points. More...
ICLCV_API void	surfDet (IplImage *img, std::vector< Ipoint > &ipts, int octaves=OCTAVES, int intervals=INTERVALS, int init_sample=INIT_SAMPLE, float thres=THRES)
	Library function builds vector of interest points. More...
ICLCV_API void	surfDes (IplImage *img, std::vector< Ipoint > &ipts, bool upright=false)
	Library function describes interest points in vector. More...
ICLCV_API void	error (const char *msg)
	Display error message and terminate program. More...
ICLCV_API void	showImage (const IplImage *img)
	Show the provided image and wait for keypress. More...
ICLCV_API void	showImage (char *title, const IplImage *img)
	Show the provided image in titled window and wait for keypress. More...
ICLCV_API IplImage *	getGray (const IplImage *img)
ICLCV_API void	drawIpoint (IplImage *img, Ipoint &ipt, int tailSize=0)
	Draw a single feature on the image. More...
ICLCV_API void	drawIpoints (IplImage *img, std::vector< Ipoint > &ipts, int tailSize=0)
	Draw all the Ipoints in the provided vector. More...
ICLCV_API void	drawWindows (IplImage *img, std::vector< Ipoint > &ipts)
	Draw descriptor windows around Ipoints in the provided vector. More...
ICLCV_API void	drawFPS (IplImage *img)
ICLCV_API void	drawPoint (IplImage *img, Ipoint &ipt)
	Draw a Point at feature location. More...
ICLCV_API void	drawPoints (IplImage *img, std::vector< Ipoint > &ipts)
	Draw a Point at all features. More...
ICLCV_API void	saveSurf (char *filename, std::vector< Ipoint > &ipts)
	Save the SURF features to file. More...
ICLCV_API void	loadSurf (char *filename, std::vector< Ipoint > &ipts)
	Load the SURF features from file. More...
int	fRound (float flt)
	Round float to nearest integer. More...

Variables
static const int	OCTAVES = 5
static const int	INTERVALS = 4
static const float	THRES = 0.0004f
static const int	INIT_SAMPLE = 2

Typedef Documentation

Ipoint

typedef SurfFeature icl::cv::opensurf::Ipoint

IpPairVec

typedef std::vector<SurfMatch> icl::cv::opensurf::IpPairVec

IpVec

typedef std::vector<SurfFeature> icl::cv::opensurf::IpVec

Function Documentation

BoxIntegral()

ICLCV_API float icl::cv::opensurf::BoxIntegral	(	IplImage *	img,
		int	row,
		int	col,
		int	rows,
		int	cols
	)

Computes the sum of pixels within the rectangle.

specified by the top-left start co-ordinate and size

drawFPS()

ICLCV_API void icl::cv::opensurf::drawFPS

(

IplImage *

img

)

drawIpoint()

ICLCV_API void icl::cv::opensurf::drawIpoint	(	IplImage *	img,
		Ipoint &	ipt,
		int	tailSize = 0
	)

Draw a single feature on the image.

drawIpoints()

ICLCV_API void icl::cv::opensurf::drawIpoints	(	IplImage *	img,
		std::vector< Ipoint > &	ipts,
		int	tailSize = 0
	)

Draw all the Ipoints in the provided vector.

drawPoint()

ICLCV_API void icl::cv::opensurf::drawPoint	(	IplImage *	img,
		Ipoint &	ipt
	)

Draw a Point at feature location.

drawPoints()

ICLCV_API void icl::cv::opensurf::drawPoints	(	IplImage *	img,
		std::vector< Ipoint > &	ipts
	)

Draw a Point at all features.

drawWindows()

ICLCV_API void icl::cv::opensurf::drawWindows	(	IplImage *	img,
		std::vector< Ipoint > &	ipts
	)

Draw descriptor windows around Ipoints in the provided vector.

error()

ICLCV_API void icl::cv::opensurf::error

(

const char *

msg

)

Display error message and terminate program.

fRound()

int icl::cv::opensurf::fRound ( float  flt )

inline

Round float to nearest integer.

getGray()

ICLCV_API IplImage* icl::cv::opensurf::getGray

(

const IplImage *

img

)

getMatches()

ICLCV_API void icl::cv::opensurf::getMatches	(	IpVec &	ipts1,
		IpVec &	ipts2,
		IpPairVec &	matches
	)

Integral()

ICLCV_API IplImage* icl::cv::opensurf::Integral

(

IplImage *

img

)

Computes the integral image of image img. Assumes source image to be a.

32-bit floating point. Returns IplImage in 32-bit float form.

loadSurf()

ICLCV_API void icl::cv::opensurf::loadSurf	(	char *	filename,
		std::vector< Ipoint > &	ipts
	)

Load the SURF features from file.

saveSurf()

ICLCV_API void icl::cv::opensurf::saveSurf	(	char *	filename,
		std::vector< Ipoint > &	ipts
	)

Save the SURF features to file.

showImage() [1/2]

ICLCV_API void icl::cv::opensurf::showImage

(

const IplImage *

img

)

Show the provided image and wait for keypress.

showImage() [2/2]

ICLCV_API void icl::cv::opensurf::showImage	(	char *	title,
		const IplImage *	img
	)

Show the provided image in titled window and wait for keypress.

surfDes()

ICLCV_API void icl::cv::opensurf::surfDes	(	IplImage *	img,
		std::vector< Ipoint > &	ipts,
		bool	upright = false
	)

Library function describes interest points in vector.

surfDet()

ICLCV_API void icl::cv::opensurf::surfDet	(	IplImage *	img,
		std::vector< Ipoint > &	ipts,
		int	octaves = OCTAVES,
		int	intervals = INTERVALS,
		int	init_sample = INIT_SAMPLE,
		float	thres = THRES
	)

Library function builds vector of interest points.

surfDetDes()

ICLCV_API void icl::cv::opensurf::surfDetDes	(	IplImage *	img,
		std::vector< Ipoint > &	ipts,
		bool	upright = false,
		int	octaves = OCTAVES,
		int	intervals = INTERVALS,
		int	init_sample = INIT_SAMPLE,
		float	thres = THRES
	)

Library function builds vector of described interest points.

translateCorners()

ICLCV_API int icl::cv::opensurf::translateCorners	(	IpPairVec &	matches,
		const CvPoint	src_corners[4],
		CvPoint	dst_corners[4]
	)

Variable Documentation

INIT_SAMPLE

const int icl::cv::opensurf::INIT_SAMPLE = 2

static

INTERVALS

const int icl::cv::opensurf::INTERVALS = 4

static

OCTAVES

const int icl::cv::opensurf::OCTAVES = 5

static

THRES

const float icl::cv::opensurf::THRES = 0.0004f

static