OpenCV  3.0.0
Open Source Computer Vision
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
Public Member Functions | Static Public Member Functions | List of all members
cv::MSER Class Referenceabstract

Maximally stable extremal region extractor. : More...

#include "features2d.hpp"

Inheritance diagram for cv::MSER:
cv::Feature2D cv::Algorithm

Public Member Functions

virtual void detectRegions (InputArray image, std::vector< std::vector< Point > > &msers, std::vector< Rect > &bboxes)=0
virtual int getDelta () const =0
virtual int getMaxArea () const =0
virtual int getMinArea () const =0
virtual bool getPass2Only () const =0
virtual void setDelta (int delta)=0
virtual void setMaxArea (int maxArea)=0
virtual void setMinArea (int minArea)=0
virtual void setPass2Only (bool f)=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
 Return true if detector object is empty. More...
- Public Member Functions inherited from cv::Algorithm
 Algorithm ()
virtual ~Algorithm ()
virtual void clear ()
 Clears the algorithm state. More...
virtual String getDefaultName () const
virtual void read (const FileNode &fn)
 Reads algorithm parameters from a file storage. More...
virtual void save (const String &filename) const
virtual void write (FileStorage &fs) const
 Stores algorithm parameters in a file storage. More...

Static Public Member Functions

static Ptr< MSERcreate (int _delta=5, int _min_area=60, int _max_area=14400, double _max_variation=0.25, double _min_diversity=.2, int _max_evolution=200, double _area_threshold=1.01, double _min_margin=0.003, int _edge_blur_size=5)
 the full constructor More...
- 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...

Detailed Description

Maximally stable extremal region extractor. :

The class encapsulates all the parameters of the MSER extraction algorithm (see Also see for useful comments and parameters description.

  • (Python) A complete example showing the use of the MSER detector can be found at opencv_source_code/samples/python2/

Member Function Documentation

static Ptr<MSER> cv::MSER::create ( int  _delta = 5,
int  _min_area = 60,
int  _max_area = 14400,
double  _max_variation = 0.25,
double  _min_diversity = .2,
int  _max_evolution = 200,
double  _area_threshold = 1.01,
double  _min_margin = 0.003,
int  _edge_blur_size = 5 

the full constructor

virtual void cv::MSER::detectRegions ( InputArray  image,
std::vector< std::vector< Point > > &  msers,
std::vector< Rect > &  bboxes 
pure virtual
virtual int cv::MSER::getDelta ( ) const
pure virtual
virtual int cv::MSER::getMaxArea ( ) const
pure virtual
virtual int cv::MSER::getMinArea ( ) const
pure virtual
virtual bool cv::MSER::getPass2Only ( ) const
pure virtual
virtual void cv::MSER::setDelta ( int  delta)
pure virtual
virtual void cv::MSER::setMaxArea ( int  maxArea)
pure virtual
virtual void cv::MSER::setMinArea ( int  minArea)
pure virtual
virtual void cv::MSER::setPass2Only ( bool  f)
pure virtual

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