cv::ocl::HOGDescriptor Struct Reference

#include <ocl.hpp>

Public Types
enum	{ DEFAULT_WIN_SIGMA = -1 }
enum	{ DEFAULT_NLEVELS = 64 }
enum	{ DESCR_FORMAT_ROW_BY_ROW, DESCR_FORMAT_COL_BY_COL }

Public Member Functions
	HOGDescriptor (Size win_size=Size(64, 128), Size block_size=Size(16, 16), Size block_stride=Size(8, 8), Size cell_size=Size(8, 8), int nbins=9, double win_sigma=DEFAULT_WIN_SIGMA, double threshold_L2hys=0.2, bool gamma_correction=true, int nlevels=DEFAULT_NLEVELS)
size_t	getDescriptorSize () const
size_t	getBlockHistogramSize () const
void	setSVMDetector (const vector< float > &detector)
void	detect (const oclMat &img, vector< Point > &found_locations, double hit_threshold=0, Size win_stride=Size(), Size padding=Size())
void	detectMultiScale (const oclMat &img, vector< Rect > &found_locations, double hit_threshold=0, Size win_stride=Size(), Size padding=Size(), double scale0=1.05, int group_threshold=2)
void	getDescriptors (const oclMat &img, Size win_stride, oclMat &descriptors, int descr_format=DESCR_FORMAT_COL_BY_COL)

Static Public Member Functions
static vector< float >	getDefaultPeopleDetector ()
static vector< float >	getPeopleDetector48x96 ()
static vector< float >	getPeopleDetector64x128 ()

Public Attributes
Size	win_size
Size	block_size
Size	block_stride
Size	cell_size
int	nbins
double	win_sigma
double	threshold_L2hys
bool	gamma_correction
int	nlevels

Protected Member Functions
void	init_buffer (const oclMat &img, Size win_stride)
void	computeBlockHistograms (const oclMat &img)
void	computeGradient (const oclMat &img, oclMat &grad, oclMat &qangle)
double	getWinSigma () const
bool	checkDetectorSize () const

Static Protected Member Functions
static int	numPartsWithin (int size, int part_size, int stride)
static Size	numPartsWithin (Size size, Size part_size, Size stride)

Protected Attributes
float	free_coef
oclMat	detector
oclMat	labels
Mat	labels_host
oclMat	block_hists
oclMat	grad
oclMat	qangle
oclMat	image_scale
Size	effect_size

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
DEFAULT_WIN_SIGMA

anonymous enum

anonymous enum

Enumerator
DEFAULT_NLEVELS

anonymous enum

anonymous enum

Enumerator
DESCR_FORMAT_ROW_BY_ROW
DESCR_FORMAT_COL_BY_COL

Constructor & Destructor Documentation

HOGDescriptor()

cv::ocl::HOGDescriptor::HOGDescriptor	(	Size	win_size = Size(64, 128),
		Size	block_size = Size(16, 16),
		Size	block_stride = Size(8, 8),
		Size	cell_size = Size(8, 8),
		int	nbins = 9,
		double	win_sigma = DEFAULT_WIN_SIGMA,
		double	threshold_L2hys = 0.2,
		bool	gamma_correction = true,
		int	nlevels = DEFAULT_NLEVELS
	)

Member Function Documentation

checkDetectorSize()

bool cv::ocl::HOGDescriptor::checkDetectorSize ( ) const

protected

computeBlockHistograms()

void cv::ocl::HOGDescriptor::computeBlockHistograms ( const oclMat &  img )

protected

computeGradient()

void cv::ocl::HOGDescriptor::computeGradient ( const oclMat &  img, oclMat &  grad, oclMat &  qangle  )

protected

detect()

void cv::ocl::HOGDescriptor::detect	(	const oclMat &	img,
		vector< Point > &	found_locations,
		double	hit_threshold = 0,
		Size	win_stride = Size(),
		Size	padding = Size()
	)

detectMultiScale()

void cv::ocl::HOGDescriptor::detectMultiScale	(	const oclMat &	img,
		vector< Rect > &	found_locations,
		double	hit_threshold = 0,
		Size	win_stride = Size(),
		Size	padding = Size(),
		double	scale0 = 1.05,
		int	group_threshold = 2
	)

getBlockHistogramSize()

size_t cv::ocl::HOGDescriptor::getBlockHistogramSize

(

)

const

getDefaultPeopleDetector()

static vector<float> cv::ocl::HOGDescriptor::getDefaultPeopleDetector ( )

static

getDescriptors()

void cv::ocl::HOGDescriptor::getDescriptors	(	const oclMat &	img,
		Size	win_stride,
		oclMat &	descriptors,
		int	descr_format = DESCR_FORMAT_COL_BY_COL
	)

getDescriptorSize()

size_t cv::ocl::HOGDescriptor::getDescriptorSize

(

)

const

getPeopleDetector48x96()

static vector<float> cv::ocl::HOGDescriptor::getPeopleDetector48x96 ( )

static

getPeopleDetector64x128()

static vector<float> cv::ocl::HOGDescriptor::getPeopleDetector64x128 ( )

static

getWinSigma()

double cv::ocl::HOGDescriptor::getWinSigma ( ) const

protected

init_buffer()

void cv::ocl::HOGDescriptor::init_buffer ( const oclMat &  img, Size  win_stride  )

protected

numPartsWithin() [1/2]

static int cv::ocl::HOGDescriptor::numPartsWithin ( int  size, int  part_size, int  stride  )

staticprotected

numPartsWithin() [2/2]

static Size cv::ocl::HOGDescriptor::numPartsWithin ( Size  size, Size  part_size, Size  stride  )

staticprotected

setSVMDetector()

void cv::ocl::HOGDescriptor::setSVMDetector

(

const vector< float > &

detector

)

Member Data Documentation

block_hists

oclMat cv::ocl::HOGDescriptor::block_hists

protected

block_size

Size cv::ocl::HOGDescriptor::block_size

block_stride

Size cv::ocl::HOGDescriptor::block_stride

cell_size

Size cv::ocl::HOGDescriptor::cell_size

detector

oclMat cv::ocl::HOGDescriptor::detector

protected

effect_size

Size cv::ocl::HOGDescriptor::effect_size

protected

free_coef

float cv::ocl::HOGDescriptor::free_coef

protected

gamma_correction

bool cv::ocl::HOGDescriptor::gamma_correction

grad

oclMat cv::ocl::HOGDescriptor::grad

protected

image_scale

oclMat cv::ocl::HOGDescriptor::image_scale

protected

labels

oclMat cv::ocl::HOGDescriptor::labels

protected

labels_host

Mat cv::ocl::HOGDescriptor::labels_host

protected

nbins

int cv::ocl::HOGDescriptor::nbins

nlevels

int cv::ocl::HOGDescriptor::nlevels

qangle

oclMat cv::ocl::HOGDescriptor::qangle

protected

threshold_L2hys

double cv::ocl::HOGDescriptor::threshold_L2hys

win_sigma

double cv::ocl::HOGDescriptor::win_sigma

win_size

Size cv::ocl::HOGDescriptor::win_size

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

• ocl/include/opencv2/ocl/ocl.hpp