OpenCV  4.9.0-dev
Open Source Computer Vision
Loading...
Searching...
No Matches
Public Member Functions | Static Public Member Functions | List of all members
cv::xfeatures2d::BriefDescriptorExtractor Class Referenceabstract

Class for computing BRIEF descriptors described in [47] . More...

#include <opencv2/xfeatures2d.hpp>

Inheritance diagram for cv::xfeatures2d::BriefDescriptorExtractor:
Collaboration diagram for cv::xfeatures2d::BriefDescriptorExtractor:

Public Member Functions

String getDefaultName () const CV_OVERRIDE
 
virtual int getDescriptorSize () const =0
 
virtual bool getUseOrientation () const =0
 
virtual void setDescriptorSize (int bytes)=0
 
virtual void setUseOrientation (bool use_orientation)=0
 
- Public Member Functions inherited from cv::Feature2D
virtual ~Feature2D ()
 
virtual void compute (InputArray image, std::vector< KeyPoint > &keypoints, OutputArray descriptors)
 Computes the descriptors for a set of keypoints detected in an image (first variant) or image set (second variant).
 
virtual void compute (InputArrayOfArrays images, std::vector< std::vector< KeyPoint > > &keypoints, OutputArrayOfArrays descriptors)
 
virtual int defaultNorm () const
 
virtual int descriptorSize () const
 
virtual int descriptorType () const
 
virtual void detect (InputArray image, std::vector< KeyPoint > &keypoints, InputArray mask=noArray())
 Detects keypoints in an image (first variant) or image set (second variant).
 
virtual void detect (InputArrayOfArrays images, std::vector< std::vector< KeyPoint > > &keypoints, InputArrayOfArrays masks=noArray())
 
virtual void detectAndCompute (InputArray image, InputArray mask, std::vector< KeyPoint > &keypoints, OutputArray descriptors, bool useProvidedKeypoints=false)
 
virtual bool empty () const CV_OVERRIDE
 Return true if detector object is empty.
 
virtual void read (const FileNode &) CV_OVERRIDE
 Reads algorithm parameters from a file storage.
 
void read (const String &fileName)
 
void write (const Ptr< FileStorage > &fs, const String &name) const
 
void write (const String &fileName) const
 
virtual void write (FileStorage &) const CV_OVERRIDE
 Stores algorithm parameters in a file storage.
 
void write (FileStorage &fs, const String &name) const
 
- Public Member Functions inherited from cv::Algorithm
 Algorithm ()
 
virtual ~Algorithm ()
 
virtual void clear ()
 Clears the algorithm state.
 
virtual void save (const String &filename) const
 
void write (const Ptr< FileStorage > &fs, const String &name=String()) const
 
void write (FileStorage &fs, const String &name) const
 

Static Public Member Functions

static Ptr< BriefDescriptorExtractorcreate (int bytes=32, bool use_orientation=false)
 
- Static Public Member Functions inherited from cv::Algorithm
template<typename _Tp >
static Ptr< _Tpload (const String &filename, const String &objname=String())
 Loads algorithm from the file.
 
template<typename _Tp >
static Ptr< _TploadFromString (const String &strModel, const String &objname=String())
 Loads algorithm from a String.
 
template<typename _Tp >
static Ptr< _Tpread (const FileNode &fn)
 Reads algorithm from the file node.
 

Additional Inherited Members

- Protected Member Functions inherited from cv::Algorithm
void writeFormat (FileStorage &fs) const
 

Detailed Description

Class for computing BRIEF descriptors described in [47] .

Parameters
byteslegth of the descriptor in bytes, valid values are: 16, 32 (default) or 64 .
use_orientationsample patterns using keypoints orientation, disabled by default.

Member Function Documentation

◆ create()

static Ptr< BriefDescriptorExtractor > cv::xfeatures2d::BriefDescriptorExtractor::create ( int  bytes = 32,
bool  use_orientation = false 
)
static
Python:
cv.xfeatures2d.BriefDescriptorExtractor.create([, bytes[, use_orientation]]) -> retval
cv.xfeatures2d.BriefDescriptorExtractor_create([, bytes[, use_orientation]]) -> retval

◆ getDefaultName()

String cv::xfeatures2d::BriefDescriptorExtractor::getDefaultName ( ) const
virtual
Python:
cv.xfeatures2d.BriefDescriptorExtractor.getDefaultName() -> retval

Returns the algorithm string identifier. This string is used as top level xml/yml node tag when the object is saved to a file or string.

Reimplemented from cv::Feature2D.

◆ getDescriptorSize()

virtual int cv::xfeatures2d::BriefDescriptorExtractor::getDescriptorSize ( ) const
pure virtual
Python:
cv.xfeatures2d.BriefDescriptorExtractor.getDescriptorSize() -> retval

◆ getUseOrientation()

virtual bool cv::xfeatures2d::BriefDescriptorExtractor::getUseOrientation ( ) const
pure virtual
Python:
cv.xfeatures2d.BriefDescriptorExtractor.getUseOrientation() -> retval

◆ setDescriptorSize()

virtual void cv::xfeatures2d::BriefDescriptorExtractor::setDescriptorSize ( int  bytes)
pure virtual
Python:
cv.xfeatures2d.BriefDescriptorExtractor.setDescriptorSize(bytes) -> None

◆ setUseOrientation()

virtual void cv::xfeatures2d::BriefDescriptorExtractor::setUseOrientation ( bool  use_orientation)
pure virtual
Python:
cv.xfeatures2d.BriefDescriptorExtractor.setUseOrientation(use_orientation) -> None

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