cv::img_hash::PHash Class Reference

pHash More...

#include <opencv2/img_hash/phash.hpp>

Collaboration diagram for cv::img_hash::PHash:

Static Public Member Functions
static Ptr< PHash >	create ()
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.
template<typename _Tp >
static Ptr< _Tp >	loadFromString (const String &strModel, const String &objname=String())
	Loads algorithm from a String.
template<typename _Tp >
static Ptr< _Tp >	read (const FileNode &fn)
	Reads algorithm from the file node.

Protected Member Functions
	PHash ()
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
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.
void	compute (cv::InputArray inputArr, cv::OutputArray outputArr)
	Computes hash of the input image.
Public Member Functions inherited from cv::Algorithm
	Algorithm ()
virtual	~Algorithm ()
virtual void	clear ()
	Clears the algorithm state.
virtual bool	empty () const
	Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read.
virtual String	getDefaultName () const
virtual void	read (const FileNode &fn)
	Reads algorithm parameters from a file storage.
virtual void	save (const String &filename) const
void	write (const Ptr< FileStorage > &fs, const String &name=String()) const
virtual void	write (FileStorage &fs) const
	Stores algorithm parameters in a file storage.
void	write (FileStorage &fs, const String &name) const
Protected Attributes inherited from cv::img_hash::ImgHashBase
Ptr< ImgHashImpl >	pImpl

Detailed Description

pHash

Slower than average_hash, but tolerant of minor modifications

This algorithm can combat more variation than averageHash, for more details please refer to [149]

Constructor & Destructor Documentation

PHash()

cv::img_hash::PHash::PHash ( )

inlineprotected

Member Function Documentation

create()

static Ptr< PHash > cv::img_hash::PHash::create ( )

static

Python:
	cv.img_hash.PHash.create(		) ->	retval
	cv.img_hash.PHash_create(		) ->	retval

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

• opencv2/img_hash/phash.hpp