OpenCV  4.1.2-dev
Open Source Computer Vision
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cv::quality::QualityGMSD Class Reference

Full reference GMSD algorithm http://www4.comp.polyu.edu.hk/~cslzhang/IQA/GMSD/GMSD.htm. More...

#include <opencv2/quality/qualitygmsd.hpp>

Inheritance diagram for cv::quality::QualityGMSD:
cv::quality::QualityBase cv::Algorithm

Classes

struct  _mat_data
 

Public Member Functions

void clear () CV_OVERRIDE
 Implements Algorithm::clear() More...
 
cv::Scalar compute (InputArray cmp) CV_OVERRIDE
 Compute GMSD. More...
 
bool empty () const CV_OVERRIDE
 Implements Algorithm::empty() More...
 
- Public Member Functions inherited from cv::quality::QualityBase
virtual ~QualityBase ()=default
 Destructor. More...
 
virtual void getQualityMap (OutputArray dst) const
 Returns output quality map that was generated during computation, if supported by the algorithm. More...
 
- Public Member Functions inherited from cv::Algorithm
 Algorithm ()
 
virtual ~Algorithm ()
 
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 (const Ptr< FileStorage > &fs, const String &name=String()) const
 simplified API for language bindings This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. More...
 

Static Public Member Functions

static cv::Scalar compute (InputArray ref, InputArray cmp, OutputArray qualityMap)
 static method for computing quality More...
 
static Ptr< QualityGMSDcreate (InputArray ref)
 Create an object which calculates image quality. 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...
 

Protected Member Functions

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

Protected Attributes

_mat_data _refImgData
 Reference image data. More...
 
- Protected Attributes inherited from cv::quality::QualityBase
_mat_type _qualityMap
 Output quality maps if generated by algorithm. More...
 

Additional Inherited Members

- Protected Types inherited from cv::quality::QualityBase
using _mat_type = cv::UMat
 internal mat type default More...
 

Detailed Description

Full reference GMSD algorithm http://www4.comp.polyu.edu.hk/~cslzhang/IQA/GMSD/GMSD.htm.

Constructor & Destructor Documentation

◆ QualityGMSD()

cv::quality::QualityGMSD::QualityGMSD ( _mat_data  refImgData)
inlineprotected

Member Function Documentation

◆ clear()

void cv::quality::QualityGMSD::clear ( )
inlinevirtual
Python:
None=cv.quality_QualityGMSD.clear()

Implements Algorithm::clear()

Reimplemented from cv::quality::QualityBase.

◆ compute() [1/2]

cv::Scalar cv::quality::QualityGMSD::compute ( InputArray  cmp)
virtual
Python:
retval=cv.quality_QualityGMSD.compute(cmp)
retval, qualityMap=cv.quality_QualityGMSD.compute(ref, cmp[, qualityMap])
retval, qualityMap=cv.quality.QualityGMSD_compute(ref, cmp[, qualityMap])

Compute GMSD.

Parameters
cmpcomparison image
Returns
cv::Scalar with per-channel quality value. Values range from 0 (worst) to 1 (best)

Implements cv::quality::QualityBase.

◆ compute() [2/2]

static cv::Scalar cv::quality::QualityGMSD::compute ( InputArray  ref,
InputArray  cmp,
OutputArray  qualityMap 
)
static
Python:
retval=cv.quality_QualityGMSD.compute(cmp)
retval, qualityMap=cv.quality_QualityGMSD.compute(ref, cmp[, qualityMap])
retval, qualityMap=cv.quality.QualityGMSD_compute(ref, cmp[, qualityMap])

static method for computing quality

Parameters
refreference image
cmpcomparison image
qualityMapoutput quality map, or cv::noArray()
Returns
cv::Scalar with per-channel quality value. Values range from 0 (worst) to 1 (best)

◆ create()

static Ptr<QualityGMSD> cv::quality::QualityGMSD::create ( InputArray  ref)
static
Python:
retval=cv.quality.QualityGMSD_create(ref)

Create an object which calculates image quality.

Parameters
refreference image

◆ empty()

bool cv::quality::QualityGMSD::empty ( ) const
inlinevirtual
Python:
retval=cv.quality_QualityGMSD.empty()

Implements Algorithm::empty()

Reimplemented from cv::quality::QualityBase.

Member Data Documentation

◆ _refImgData

_mat_data cv::quality::QualityGMSD::_refImgData
protected

Reference image data.


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