Class cv::img_hash::RadialVarianceHash

Image hash based on Radon transform. View details

#include <opencv2/img_hash/radial_variance_hash.hpp>

Collaboration diagram for cv::img_hash::RadialVarianceHash:

Public Member Functions

Public Member Functions inherited from cv::img_hash::ImgHashBase

Return	Name	Description
	~ImgHashBase()
double	compare(     cv::InputArray hashOne,     cv::InputArray hashTwo )	Compare the hash value between inOne and inTwo.
void	compute(     cv::InputArray inputArr,     cv::OutputArray outputArr )	Computes hash of the input image.

Public Member Functions inherited from cv::Algorithm

Return	Name	Description
	Algorithm()
	~Algorithm()
void	clear()	Clears the algorithm state.
bool	empty()	Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read.
String	getDefaultName()
void	read(const FileNode & fn)	Reads algorithm parameters from a file storage.
void	save(const String & filename)
void	write(     const Ptr< FileStorage > & fs,     const String & name = String() )
void	write(FileStorage & fs)	Stores algorithm parameters in a file storage.
void	write(     FileStorage & fs,     const String & name )

Static Public Member Functions

Static Public Member Functions inherited from cv::Algorithm

Return	Name	Description
static Ptr< _Tp >	load(     const String & filename,     const String & objname = String() )	Loads algorithm from the file.
static Ptr< _Tp >	loadFromString(     const String & strModel,     const String & objname = String() )	Loads algorithm from a String.
static Ptr< _Tp >	read(const FileNode & fn)	Reads algorithm from the file node.

Additional Inherited Members

Protected Member Functions inherited from cv::img_hash::ImgHashBase

Return	Name	Description
	ImgHashBase()

Protected Member Functions inherited from cv::Algorithm

Return	Name	Description
void	writeFormat(FileStorage & fs)

Protected Attributes inherited from cv::img_hash::ImgHashBase

Return	Name	Description
Ptr< ImgHashImpl >	pImpl

Detailed Description

Image hash based on Radon transform.

See tang2012perceptual 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 )

Python:

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()

Python:

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()

Python:

cv.img_hash.RadialVarianceHash.getSigma() -> retval

setNumOfAngleLine()

void cv::img_hash::RadialVarianceHash::setNumOfAngleLine(int value)

Python:

cv.img_hash.RadialVarianceHash.setNumOfAngleLine(value)

setSigma()

void cv::img_hash::RadialVarianceHash::setSigma(double value)

Python:

cv.img_hash.RadialVarianceHash.setSigma(value)

Source file

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

• opencv2/img_hash/radial_variance_hash.hpp