Class implementing the BRISK keypoint detector and descriptor extractor, described in [114] .
More...
#include "features2d.hpp"
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virtual String | getDefaultName () const CV_OVERRIDE |
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virtual | ~Feature2D () |
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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...
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virtual void | compute (InputArrayOfArrays images, std::vector< std::vector< KeyPoint > > &keypoints, OutputArrayOfArrays descriptors) |
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virtual int | defaultNorm () const |
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virtual int | descriptorSize () const |
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virtual int | descriptorType () const |
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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...
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virtual void | detect (InputArrayOfArrays images, std::vector< std::vector< KeyPoint > > &keypoints, InputArrayOfArrays masks=noArray()) |
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virtual void | detectAndCompute (InputArray image, InputArray mask, std::vector< KeyPoint > &keypoints, OutputArray descriptors, bool useProvidedKeypoints=false) |
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virtual bool | empty () const CV_OVERRIDE |
| Return true if detector object is empty. More...
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void | read (const String &fileName) |
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virtual void | read (const FileNode &) CV_OVERRIDE |
| Reads algorithm parameters from a file storage. More...
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void | write (const String &fileName) const |
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virtual void | write (FileStorage &) const CV_OVERRIDE |
| Stores algorithm parameters in a file storage. More...
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void | write (const Ptr< FileStorage > &fs, const String &name=String()) const |
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| Algorithm () |
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virtual | ~Algorithm () |
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virtual void | clear () |
| Clears the algorithm state. More...
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virtual void | save (const String &filename) const |
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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...
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static Ptr< BRISK > | create (int thresh=30, int octaves=3, float patternScale=1.0f) |
| The BRISK constructor. More...
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static Ptr< BRISK > | create (const std::vector< float > &radiusList, const std::vector< int > &numberList, float dMax=5.85f, float dMin=8.2f, const std::vector< int > &indexChange=std::vector< int >()) |
| The BRISK constructor for a custom pattern. More...
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static Ptr< BRISK > | create (int thresh, int octaves, const std::vector< float > &radiusList, const std::vector< int > &numberList, float dMax=5.85f, float dMin=8.2f, const std::vector< int > &indexChange=std::vector< int >()) |
| The BRISK constructor for a custom pattern, detection threshold and octaves. More...
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template<typename _Tp > |
static Ptr< _Tp > | load (const String &filename, const String &objname=String()) |
| Loads algorithm from the file. More...
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template<typename _Tp > |
static Ptr< _Tp > | loadFromString (const String &strModel, const String &objname=String()) |
| Loads algorithm from a String. More...
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template<typename _Tp > |
static Ptr< _Tp > | read (const FileNode &fn) |
| Reads algorithm from the file node. More...
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Class implementing the BRISK keypoint detector and descriptor extractor, described in [114] .
§ create() [1/3]
static Ptr<BRISK> cv::BRISK::create |
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int |
thresh = 30 , |
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int |
octaves = 3 , |
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float |
patternScale = 1.0f |
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Python: |
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| retval | = | cv.BRISK_create( | [, thresh[, octaves[, patternScale]]] | ) |
| retval | = | cv.BRISK_create( | radiusList, numberList[, dMax[, dMin[, indexChange]]] | ) |
| retval | = | cv.BRISK_create( | thresh, octaves, radiusList, numberList[, dMax[, dMin[, indexChange]]] | ) |
The BRISK constructor.
- Parameters
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thresh | AGAST detection threshold score. |
octaves | detection octaves. Use 0 to do single scale. |
patternScale | apply this scale to the pattern used for sampling the neighbourhood of a keypoint. |
§ create() [2/3]
static Ptr<BRISK> cv::BRISK::create |
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const std::vector< float > & |
radiusList, |
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const std::vector< int > & |
numberList, |
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float |
dMax = 5.85f , |
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float |
dMin = 8.2f , |
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const std::vector< int > & |
indexChange = std::vector< int >() |
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Python: |
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| retval | = | cv.BRISK_create( | [, thresh[, octaves[, patternScale]]] | ) |
| retval | = | cv.BRISK_create( | radiusList, numberList[, dMax[, dMin[, indexChange]]] | ) |
| retval | = | cv.BRISK_create( | thresh, octaves, radiusList, numberList[, dMax[, dMin[, indexChange]]] | ) |
The BRISK constructor for a custom pattern.
- Parameters
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radiusList | defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1). |
numberList | defines the number of sampling points on the sampling circle. Must be the same size as radiusList.. |
dMax | threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1). |
dMin | threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1). |
indexChange | index remapping of the bits. |
§ create() [3/3]
static Ptr<BRISK> cv::BRISK::create |
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int |
thresh, |
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int |
octaves, |
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const std::vector< float > & |
radiusList, |
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const std::vector< int > & |
numberList, |
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float |
dMax = 5.85f , |
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float |
dMin = 8.2f , |
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const std::vector< int > & |
indexChange = std::vector< int >() |
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Python: |
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| retval | = | cv.BRISK_create( | [, thresh[, octaves[, patternScale]]] | ) |
| retval | = | cv.BRISK_create( | radiusList, numberList[, dMax[, dMin[, indexChange]]] | ) |
| retval | = | cv.BRISK_create( | thresh, octaves, radiusList, numberList[, dMax[, dMin[, indexChange]]] | ) |
The BRISK constructor for a custom pattern, detection threshold and octaves.
- Parameters
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thresh | AGAST detection threshold score. |
octaves | detection octaves. Use 0 to do single scale. |
radiusList | defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1). |
numberList | defines the number of sampling points on the sampling circle. Must be the same size as radiusList.. |
dMax | threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1). |
dMin | threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1). |
indexChange | index remapping of the bits. |
§ getDefaultName()
virtual String cv::BRISK::getDefaultName |
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const |
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virtual |
Python: |
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| retval | = | cv.BRISK.getDefaultName( | | ) |
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.
The documentation for this class was generated from the following file: