Public Types | Public Member Functions | Static Public Member Functions | Public Attributes | Protected Member Functions | Static Protected Member Functions | Protected Attributes
cv::gpu::HOGDescriptor Struct Reference

#include <gpu.hpp>

List of all members.

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 GpuMat &img, vector< Point > &found_locations, double hit_threshold=0, Size win_stride=Size(), Size padding=Size())
void detectMultiScale (const GpuMat &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 computeConfidence (const GpuMat &img, vector< Point > &hits, double hit_threshold, Size win_stride, Size padding, vector< Point > &locations, vector< double > &confidences)
void computeConfidenceMultiScale (const GpuMat &img, vector< Rect > &found_locations, double hit_threshold, Size win_stride, Size padding, vector< HOGConfidence > &conf_out, int group_threshold)
void getDescriptors (const GpuMat &img, Size win_stride, GpuMat &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 computeBlockHistograms (const GpuMat &img)
void computeGradient (const GpuMat &img, GpuMat &grad, GpuMat &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)
static GpuMat getBuffer (const Size &sz, int type, GpuMat &buf)
static GpuMat getBuffer (int rows, int cols, int type, GpuMat &buf)

Protected Attributes

float free_coef
GpuMat detector
GpuMat labels
GpuMat labels_buf
Mat labels_host
GpuMat block_hists
GpuMat block_hists_buf
GpuMat grad
GpuMat qangle
GpuMat grad_buf
GpuMat qangle_buf
std::vector< GpuMat > image_scales

Member Enumeration Documentation

anonymous enum
Enumerator:
DEFAULT_WIN_SIGMA 
anonymous enum
Enumerator:
DEFAULT_NLEVELS 
anonymous enum
Enumerator:
DESCR_FORMAT_ROW_BY_ROW 
DESCR_FORMAT_COL_BY_COL 

Constructor & Destructor Documentation

cv::gpu::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

size_t cv::gpu::HOGDescriptor::getDescriptorSize ( ) const
size_t cv::gpu::HOGDescriptor::getBlockHistogramSize ( ) const
void cv::gpu::HOGDescriptor::setSVMDetector ( const vector< float > &  detector)
static vector<float> cv::gpu::HOGDescriptor::getDefaultPeopleDetector ( ) [static]
static vector<float> cv::gpu::HOGDescriptor::getPeopleDetector48x96 ( ) [static]
static vector<float> cv::gpu::HOGDescriptor::getPeopleDetector64x128 ( ) [static]
void cv::gpu::HOGDescriptor::detect ( const GpuMat &  img,
vector< Point > &  found_locations,
double  hit_threshold = 0,
Size  win_stride = Size(),
Size  padding = Size() 
)
void cv::gpu::HOGDescriptor::detectMultiScale ( const GpuMat &  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 cv::gpu::HOGDescriptor::computeConfidence ( const GpuMat &  img,
vector< Point > &  hits,
double  hit_threshold,
Size  win_stride,
Size  padding,
vector< Point > &  locations,
vector< double > &  confidences 
)
void cv::gpu::HOGDescriptor::computeConfidenceMultiScale ( const GpuMat &  img,
vector< Rect > &  found_locations,
double  hit_threshold,
Size  win_stride,
Size  padding,
vector< HOGConfidence > &  conf_out,
int  group_threshold 
)
void cv::gpu::HOGDescriptor::getDescriptors ( const GpuMat &  img,
Size  win_stride,
GpuMat &  descriptors,
int  descr_format = DESCR_FORMAT_COL_BY_COL 
)
void cv::gpu::HOGDescriptor::computeBlockHistograms ( const GpuMat &  img) [protected]
void cv::gpu::HOGDescriptor::computeGradient ( const GpuMat &  img,
GpuMat &  grad,
GpuMat &  qangle 
) [protected]
double cv::gpu::HOGDescriptor::getWinSigma ( ) const [protected]
bool cv::gpu::HOGDescriptor::checkDetectorSize ( ) const [protected]
static int cv::gpu::HOGDescriptor::numPartsWithin ( int  size,
int  part_size,
int  stride 
) [static, protected]
static Size cv::gpu::HOGDescriptor::numPartsWithin ( Size  size,
Size  part_size,
Size  stride 
) [static, protected]
static GpuMat cv::gpu::HOGDescriptor::getBuffer ( const Size &  sz,
int  type,
GpuMat &  buf 
) [static, protected]
static GpuMat cv::gpu::HOGDescriptor::getBuffer ( int  rows,
int  cols,
int  type,
GpuMat &  buf 
) [static, protected]

Member Data Documentation

Size cv::gpu::HOGDescriptor::win_size
Size cv::gpu::HOGDescriptor::block_size
Size cv::gpu::HOGDescriptor::block_stride
Size cv::gpu::HOGDescriptor::cell_size
int cv::gpu::HOGDescriptor::nbins
double cv::gpu::HOGDescriptor::win_sigma
double cv::gpu::HOGDescriptor::threshold_L2hys
bool cv::gpu::HOGDescriptor::gamma_correction
int cv::gpu::HOGDescriptor::nlevels
float cv::gpu::HOGDescriptor::free_coef [protected]
GpuMat cv::gpu::HOGDescriptor::detector [protected]
GpuMat cv::gpu::HOGDescriptor::labels [protected]
GpuMat cv::gpu::HOGDescriptor::labels_buf [protected]
Mat cv::gpu::HOGDescriptor::labels_host [protected]
GpuMat cv::gpu::HOGDescriptor::block_hists [protected]
GpuMat cv::gpu::HOGDescriptor::block_hists_buf [protected]
GpuMat cv::gpu::HOGDescriptor::grad [protected]
GpuMat cv::gpu::HOGDescriptor::qangle [protected]
GpuMat cv::gpu::HOGDescriptor::grad_buf [protected]
GpuMat cv::gpu::HOGDescriptor::qangle_buf [protected]
std::vector<GpuMat> cv::gpu::HOGDescriptor::image_scales [protected]
The documentation for this struct was generated from the following file: