cv::optflow::OpticalFlowPCAFlow Class Reference

PCAFlow algorithm. More...

#include <opencv2/optflow/pcaflow.hpp>

Inheritance diagram for cv::optflow::OpticalFlowPCAFlow:

Public Member Functions
	OpticalFlowPCAFlow (Ptr< const PCAPrior > _prior=Ptr< const PCAPrior >(), const Size _basisSize=Size(18, 14), float _sparseRate=0.024, float _retainedCornersFraction=0.2, float _occlusionsThreshold=0.0003, float _dampingFactor=0.00002, float _claheClip=14)
	Creates an instance of PCAFlow algorithm.
void	calc (InputArray I0, InputArray I1, InputOutputArray flow) CV_OVERRIDE
	Calculates an optical flow.
void	collectGarbage () CV_OVERRIDE
	Releases all inner buffers.

Protected Attributes
const Size	basisSize
const float	claheClip
const float	dampingFactor
const float	occlusionsThreshold
const Ptr< const PCAPrior >	prior
const float	retainedCornersFraction
const float	sparseRate
bool	useOpenCL

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

PCAFlow algorithm.

Constructor & Destructor Documentation

cv::optflow::OpticalFlowPCAFlow::OpticalFlowPCAFlow	(	Ptr< const PCAPrior >	_prior = Ptr< const PCAPrior >(),
		const Size	_basisSize = Size(18, 14),
		float	_sparseRate = 0.024,
		float	_retainedCornersFraction = 0.2,
		float	_occlusionsThreshold = 0.0003,
		float	_dampingFactor = 0.00002,
		float	_claheClip = 14
	)

Creates an instance of PCAFlow algorithm.

Parameters

_prior

Learned prior or no prior (default).

See Also

cv::optflow::PCAPrior

Parameters

_basisSize	Number of basis vectors.
_sparseRate	Controls density of sparse matches.
_retainedCornersFraction	Retained corners fraction.
_occlusionsThreshold	Occlusion threshold.
_dampingFactor	Regularization term for solving least-squares. It is not related to the prior regularization.
_claheClip	Clip parameter for CLAHE.

Member Function Documentation

void cv::optflow::OpticalFlowPCAFlow::calc ( InputArray  I0, InputArray  I1, InputOutputArray  flow  )

virtual

Calculates an optical flow.

Parameters

I0	first 8-bit single-channel input image.
I1	second input image of the same size and the same type as prev.
flow	computed flow image that has the same size as prev and type CV_32FC2.

Implements cv::DenseOpticalFlow.

void cv::optflow::OpticalFlowPCAFlow::collectGarbage ( )

virtual

Releases all inner buffers.

Implements cv::DenseOpticalFlow.

Member Data Documentation

const Size cv::optflow::OpticalFlowPCAFlow::basisSize

protected

const float cv::optflow::OpticalFlowPCAFlow::claheClip

protected

const float cv::optflow::OpticalFlowPCAFlow::dampingFactor

protected

const float cv::optflow::OpticalFlowPCAFlow::occlusionsThreshold

protected

const Ptr<const PCAPrior> cv::optflow::OpticalFlowPCAFlow::prior

protected

const float cv::optflow::OpticalFlowPCAFlow::retainedCornersFraction

protected

const float cv::optflow::OpticalFlowPCAFlow::sparseRate

protected

bool cv::optflow::OpticalFlowPCAFlow::useOpenCL

protected

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

• pcaflow.hpp