cv::stereo::StereoMatcher Class Reference

Filters off small noise blobs (speckles) in the disparity map. More...

#include <opencv2/stereo.hpp>

Collaboration diagram for cv::stereo::StereoMatcher:

Public Types
enum	{   DISP_SHIFT = 4 ,   DISP_SCALE = (1 << DISP_SHIFT) }

Public Member Functions
virtual void	compute (InputArray left, InputArray right, OutputArray disparity)=0
	Computes disparity map for the specified stereo pair.
virtual int	getBlockSize () const =0
virtual int	getDisp12MaxDiff () const =0
virtual int	getMinDisparity () const =0
virtual int	getNumDisparities () const =0
virtual int	getSpeckleRange () const =0
virtual int	getSpeckleWindowSize () const =0
virtual void	setBlockSize (int blockSize)=0
virtual void	setDisp12MaxDiff (int disp12MaxDiff)=0
virtual void	setMinDisparity (int minDisparity)=0
virtual void	setNumDisparities (int numDisparities)=0
virtual void	setSpeckleRange (int speckleRange)=0
virtual void	setSpeckleWindowSize (int speckleWindowSize)=0
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

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.
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 inherited from cv::Algorithm
void	writeFormat (FileStorage &fs) const

Detailed Description

Filters off small noise blobs (speckles) in the disparity map.

Parameters

img	The input 16-bit signed disparity image
newVal	The disparity value used to paint-off the speckles
maxSpeckleSize	The maximum speckle size to consider it a speckle. Larger blobs are not affected by the algorithm
maxDiff	Maximum difference between neighbor disparity pixels to put them into the same blob. Note that since StereoBM, StereoSGBM and may be other algorithms return a fixed-point disparity map, where disparity values are multiplied by 16, this scale factor should be taken into account when specifying this parameter value.
buf	The optional temporary buffer to avoid memory allocation within the function.

The base class for stereo correspondence algorithms.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
DISP_SHIFT
DISP_SCALE

Member Function Documentation

compute()

virtual void cv::stereo::StereoMatcher::compute ( InputArray left, InputArray right, OutputArray disparity )

pure virtual

Computes disparity map for the specified stereo pair.

Parameters

left	Left 8-bit single-channel image.
right	Right image of the same size and the same type as the left one.
disparity	Output disparity map. It has the same size as the input images. Some algorithms, like StereoBM or StereoSGBM compute 16-bit fixed-point disparity map (where each disparity value has 4 fractional bits), whereas other algorithms output 32-bit floating-point disparity map.

getBlockSize()

virtual int cv::stereo::StereoMatcher::getBlockSize ( ) const

pure virtual

getDisp12MaxDiff()

virtual int cv::stereo::StereoMatcher::getDisp12MaxDiff ( ) const

pure virtual

getMinDisparity()

virtual int cv::stereo::StereoMatcher::getMinDisparity ( ) const

pure virtual

getNumDisparities()

virtual int cv::stereo::StereoMatcher::getNumDisparities ( ) const

pure virtual

getSpeckleRange()

virtual int cv::stereo::StereoMatcher::getSpeckleRange ( ) const

pure virtual

getSpeckleWindowSize()

virtual int cv::stereo::StereoMatcher::getSpeckleWindowSize ( ) const

pure virtual

setBlockSize()

virtual void cv::stereo::StereoMatcher::setBlockSize ( int blockSize )

pure virtual

setDisp12MaxDiff()

virtual void cv::stereo::StereoMatcher::setDisp12MaxDiff ( int disp12MaxDiff )

pure virtual

setMinDisparity()

virtual void cv::stereo::StereoMatcher::setMinDisparity ( int minDisparity )

pure virtual

setNumDisparities()

virtual void cv::stereo::StereoMatcher::setNumDisparities ( int numDisparities )

pure virtual

setSpeckleRange()

virtual void cv::stereo::StereoMatcher::setSpeckleRange ( int speckleRange )

pure virtual

setSpeckleWindowSize()

virtual void cv::stereo::StereoMatcher::setSpeckleWindowSize ( int speckleWindowSize )

pure virtual

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

• opencv2/stereo.hpp