| 
| virtual bool  | getBlurForDescriptor () const =0 | 
|   | 
| virtual int  | getEdgeThreshold () const =0 | 
|   | 
| virtual int  | getFastThreshold () const =0 | 
|   | 
| virtual int  | getFirstLevel () const =0 | 
|   | 
| virtual int  | getMaxFeatures () const =0 | 
|   | 
| virtual int  | getNLevels () const =0 | 
|   | 
| virtual int  | getPatchSize () const =0 | 
|   | 
| virtual double  | getScaleFactor () const =0 | 
|   | 
| virtual int  | getScoreType () const =0 | 
|   | 
| virtual int  | getWTA_K () const =0 | 
|   | 
| virtual void  | setBlurForDescriptor (bool blurForDescriptor)=0 | 
|   | if true, image will be blurred before descriptors calculation  
  | 
|   | 
| virtual void  | setEdgeThreshold (int edgeThreshold)=0 | 
|   | 
| virtual void  | setFastThreshold (int fastThreshold)=0 | 
|   | 
| virtual void  | setFirstLevel (int firstLevel)=0 | 
|   | 
| virtual void  | setMaxFeatures (int maxFeatures)=0 | 
|   | 
| virtual void  | setNLevels (int nlevels)=0 | 
|   | 
| virtual void  | setPatchSize (int patchSize)=0 | 
|   | 
| virtual void  | setScaleFactor (double scaleFactor)=0 | 
|   | 
| virtual void  | setScoreType (int scoreType)=0 | 
|   | 
| virtual void  | setWTA_K (int wta_k)=0 | 
|   | 
| virtual  | ~Feature2DAsync () | 
|   | 
| virtual void  | computeAsync (InputArray image, OutputArray keypoints, OutputArray descriptors, Stream &stream=Stream::Null()) | 
|   | Computes the descriptors for a set of keypoints detected in an image.  
  | 
|   | 
| virtual void  | convert (InputArray gpu_keypoints, std::vector< KeyPoint > &keypoints)=0 | 
|   | 
| virtual void  | detectAndComputeAsync (InputArray image, InputArray mask, OutputArray keypoints, OutputArray descriptors, bool useProvidedKeypoints=false, Stream &stream=Stream::Null()) | 
|   | 
| virtual void  | detectAsync (InputArray image, OutputArray keypoints, InputArray mask=noArray(), Stream &stream=Stream::Null()) | 
|   | Detects keypoints in an image.  
  | 
|   | 
| 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 String  | getDefaultName () const CV_OVERRIDE | 
|   | 
| 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 | 
|   | 
|   | 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 Ptr< cuda::ORB >  | create (int nfeatures=500, float scaleFactor=1.2f, int nlevels=8, int edgeThreshold=31, int firstLevel=0, int WTA_K=2, int scoreType=cv::ORB::HARRIS_SCORE, int patchSize=31, int fastThreshold=20, bool blurForDescriptor=false) | 
|   | 
| template<typename _Tp >  | 
| static Ptr< _Tp >  | load (const String &filename, const String &objname=String()) | 
|   | Loads algorithm from the file.  
  | 
|   | 
| template<typename _Tp >  | 
| static Ptr< _Tp >  | loadFromString (const String &strModel, const String &objname=String()) | 
|   | Loads algorithm from a String.  
  | 
|   | 
| template<typename _Tp >  | 
| static Ptr< _Tp >  | read (const FileNode &fn) | 
|   | Reads algorithm from the file node.  
  | 
|   | 
Class implementing the ORB (oriented BRIEF) keypoint detector and descriptor extractor. 
- See also
 - cv::ORB