OpenCV  3.4.20-dev
Open Source Computer Vision
Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
cv::img_hash::RadialVarianceHash Class Reference

Image hash based on Radon transform. More...

#include <opencv2/img_hash/radial_variance_hash.hpp>

Inheritance diagram for cv::img_hash::RadialVarianceHash:
cv::img_hash::ImgHashBase cv::Algorithm

Public Member Functions

std::vector< double > getFeatures ()
cv::Mat getHash ()
int getNumOfAngleLine () const
Mat getPixPerLine (Mat const &input)
Mat getProjection ()
double getSigma () const
void setNumOfAngleLine (int value)
void setSigma (double value)
- Public Member Functions inherited from cv::img_hash::ImgHashBase
 ~ImgHashBase ()
double compare (cv::InputArray hashOne, cv::InputArray hashTwo) const
 Compare the hash value between inOne and inTwo. More...
void compute (cv::InputArray inputArr, cv::OutputArray outputArr)
 Computes hash of the input image. More...
- 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

Static Public Member Functions

static Ptr< RadialVarianceHashcreate (double sigma=1, int numOfAngleLine=180)
- 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

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

Additional Inherited Members

- Protected Attributes inherited from cv::img_hash::ImgHashBase
Ptr< ImgHashImpl > pImpl

Detailed Description

Image hash based on Radon transform.

See [206] for details.

Constructor & Destructor Documentation

◆ RadialVarianceHash()

cv::img_hash::RadialVarianceHash::RadialVarianceHash ( )

Member Function Documentation

◆ create()

static Ptr<RadialVarianceHash> cv::img_hash::RadialVarianceHash::create ( double  sigma = 1,
int  numOfAngleLine = 180 
cv.img_hash.RadialVarianceHash.create([, sigma[, numOfAngleLine]]) -> retval
cv.img_hash.RadialVarianceHash_create([, sigma[, numOfAngleLine]]) -> retval

◆ getFeatures()

std::vector<double> cv::img_hash::RadialVarianceHash::getFeatures ( )

◆ getHash()

cv::Mat cv::img_hash::RadialVarianceHash::getHash ( )

◆ getNumOfAngleLine()

int cv::img_hash::RadialVarianceHash::getNumOfAngleLine ( ) const
cv.img_hash.RadialVarianceHash.getNumOfAngleLine() -> retval

◆ getPixPerLine()

Mat cv::img_hash::RadialVarianceHash::getPixPerLine ( Mat const &  input)

◆ getProjection()

Mat cv::img_hash::RadialVarianceHash::getProjection ( )

◆ getSigma()

double cv::img_hash::RadialVarianceHash::getSigma ( ) const
cv.img_hash.RadialVarianceHash.getSigma() -> retval

◆ setNumOfAngleLine()

void cv::img_hash::RadialVarianceHash::setNumOfAngleLine ( int  value)
cv.img_hash.RadialVarianceHash.setNumOfAngleLine(value) -> None

◆ setSigma()

void cv::img_hash::RadialVarianceHash::setSigma ( double  value)
cv.img_hash.RadialVarianceHash.setSigma(value) -> None

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