OpenCV  3.4.14-pre
Open Source Computer Vision
Public Types | Public Member Functions | Static Public Member Functions | List of all members
cv::cuda::FastFeatureDetector Class Referenceabstract

Wrapping class for feature detection using the FAST method. More...

#include <opencv2/cudafeatures2d.hpp>

Inheritance diagram for cv::cuda::FastFeatureDetector:
cv::FastFeatureDetector cv::cuda::Feature2DAsync cv::Feature2D cv::Algorithm

Public Types

enum  {
  LOCATION_ROW = 0,
  RESPONSE_ROW,
  ROWS_COUNT,
  FEATURE_SIZE = 7
}
 
- Public Types inherited from cv::FastFeatureDetector
enum  {
  TYPE_5_8 = 0,
  TYPE_7_12 = 1,
  TYPE_9_16 = 2,
  THRESHOLD = 10000,
  NONMAX_SUPPRESSION =10001,
  FAST_N =10002
}
 

Public Member Functions

virtual int getMaxNumPoints () const =0
 
virtual void setMaxNumPoints (int max_npoints)=0
 
- Public Member Functions inherited from cv::FastFeatureDetector
virtual String getDefaultName () const CV_OVERRIDE
 
virtual bool getNonmaxSuppression () const =0
 
virtual int getThreshold () const =0
 
virtual int getType () const =0
 
virtual void setNonmaxSuppression (bool f)=0
 
virtual void setThreshold (int threshold)=0
 
virtual void setType (int type)=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). More...
 
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). More...
 
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. More...
 
void read (const String &fileName)
 
virtual void read (const FileNode &) CV_OVERRIDE
 Reads algorithm parameters from a file storage. More...
 
void write (const String &fileName) const
 
virtual void write (FileStorage &) const CV_OVERRIDE
 Stores algorithm parameters in a file storage. More...
 
void write (const Ptr< FileStorage > &fs, const String &name=String()) const
 
- Public Member Functions inherited from cv::Algorithm
 Algorithm ()
 
virtual ~Algorithm ()
 
virtual void clear ()
 Clears the algorithm state. More...
 
virtual void save (const String &filename) const
 
void write (const Ptr< FileStorage > &fs, const String &name=String()) const
 simplified API for language bindings This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. More...
 
- Public Member Functions inherited from cv::cuda::Feature2DAsync
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. More...
 
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. More...
 

Static Public Member Functions

static Ptr< FastFeatureDetectorcreate (int threshold=10, bool nonmaxSuppression=true, int type=FastFeatureDetector::TYPE_9_16, int max_npoints=5000)
 
- Static Public Member Functions inherited from cv::FastFeatureDetector
static Ptr< FastFeatureDetectorcreate (int threshold=10, bool nonmaxSuppression=true, int type=FastFeatureDetector::TYPE_9_16)
 
- Static Public Member Functions inherited from cv::Algorithm
template<typename _Tp >
static Ptr< _Tp > load (const String &filename, const String &objname=String())
 Loads algorithm from the file. More...
 
template<typename _Tp >
static Ptr< _Tp > loadFromString (const String &strModel, const String &objname=String())
 Loads algorithm from a String. More...
 
template<typename _Tp >
static Ptr< _Tp > read (const FileNode &fn)
 Reads algorithm from the file node. More...
 

Additional Inherited Members

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

Detailed Description

Wrapping class for feature detection using the FAST method.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum
Enumerator
LOCATION_ROW 
RESPONSE_ROW 
ROWS_COUNT 
FEATURE_SIZE 

Member Function Documentation

◆ create()

static Ptr<FastFeatureDetector> cv::cuda::FastFeatureDetector::create ( int  threshold = 10,
bool  nonmaxSuppression = true,
int  type = FastFeatureDetector::TYPE_9_16,
int  max_npoints = 5000 
)
static

◆ getMaxNumPoints()

virtual int cv::cuda::FastFeatureDetector::getMaxNumPoints ( ) const
pure virtual

◆ setMaxNumPoints()

virtual void cv::cuda::FastFeatureDetector::setMaxNumPoints ( int  max_npoints)
pure virtual

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