OpenCV  3.4.20-dev
Open Source Computer Vision
Public Member Functions | List of all members
cv::HistogramCostExtractor Class Referenceabstract

Abstract base class for histogram cost algorithms. More...

#include <opencv2/shape/hist_cost.hpp>

Inheritance diagram for cv::HistogramCostExtractor:
cv::Algorithm cv::ChiHistogramCostExtractor cv::EMDHistogramCostExtractor cv::EMDL1HistogramCostExtractor cv::NormHistogramCostExtractor

Public Member Functions

virtual void buildCostMatrix (InputArray descriptors1, InputArray descriptors2, OutputArray costMatrix)=0
virtual float getDefaultCost () const =0
virtual int getNDummies () const =0
virtual void setDefaultCost (float defaultCost)=0
virtual void setNDummies (int nDummies)=0
- Public Member Functions inherited from cv::Algorithm
 Algorithm ()
virtual ~Algorithm ()
virtual void clear ()
 Clears the algorithm state. More...
virtual bool empty () const
 Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read. 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...
void write (FileStorage &fs, const String &name) const
void write (const Ptr< FileStorage > &fs, const String &name=String()) const

Additional Inherited Members

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

Detailed Description

Abstract base class for histogram cost algorithms.

Member Function Documentation

◆ buildCostMatrix()

virtual void cv::HistogramCostExtractor::buildCostMatrix ( InputArray  descriptors1,
InputArray  descriptors2,
OutputArray  costMatrix 
pure virtual
cv.HistogramCostExtractor.buildCostMatrix(descriptors1, descriptors2[, costMatrix]) -> costMatrix

◆ getDefaultCost()

virtual float cv::HistogramCostExtractor::getDefaultCost ( ) const
pure virtual
cv.HistogramCostExtractor.getDefaultCost() -> retval

◆ getNDummies()

virtual int cv::HistogramCostExtractor::getNDummies ( ) const
pure virtual
cv.HistogramCostExtractor.getNDummies() -> retval

◆ setDefaultCost()

virtual void cv::HistogramCostExtractor::setDefaultCost ( float  defaultCost)
pure virtual
cv.HistogramCostExtractor.setDefaultCost(defaultCost) -> None

◆ setNDummies()

virtual void cv::HistogramCostExtractor::setNDummies ( int  nDummies)
pure virtual
cv.HistogramCostExtractor.setNDummies(nDummies) -> None

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