Variational optical flow refinement. More...

Inheritance diagram for OpenCVForUnity.VideoModule.VariationalRefinement:

Public Member Functions
void	calcUV (Mat I0, Mat I1, Mat flow_u, Mat flow_v)
	calc function overload to handle separate horizontal (u) and vertical (v) flow components (to avoid extra splits/merges) More...

int	getFixedPointIterations ()
	Number of outer (fixed-point) iterations in the minimization procedure. More...

void	setFixedPointIterations (int val)

int	getSorIterations ()
	Number of inner successive over-relaxation (SOR) iterations in the minimization procedure to solve the respective linear system. More...

void	setSorIterations (int val)

float	getOmega ()
	Relaxation factor in SOR. More...

void	setOmega (float val)

float	getAlpha ()
	Weight of the smoothness term. More...

void	setAlpha (float val)

float	getDelta ()
	Weight of the color constancy term. More...

void	setDelta (float val)

float	getGamma ()
	Weight of the gradient constancy term. More...

void	setGamma (float val)

Public Member Functions inherited from OpenCVForUnity.VideoModule.DenseOpticalFlow
void	calc (Mat I0, Mat I1, Mat flow)
	Calculates an optical flow. More...

void	collectGarbage ()
	Releases all inner buffers. More...

Public Member Functions inherited from OpenCVForUnity.CoreModule.Algorithm
IntPtr	getNativeObjAddr ()

virtual void	clear ()
	Clears the algorithm state. More...

virtual bool	empty ()
	Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read. More...

void	save (string filename)

virtual string	getDefaultName ()

Public Member Functions inherited from OpenCVForUnity.DisposableObject
void	Dispose ()

void	ThrowIfDisposed ()

Static Public Member Functions
static new VariationalRefinement	__fromPtr__ (IntPtr addr)

static VariationalRefinement	create ()
	Creates an instance of VariationalRefinement. More...

Static Public Member Functions inherited from OpenCVForUnity.VideoModule.DenseOpticalFlow
static new DenseOpticalFlow	__fromPtr__ (IntPtr addr)

Static Public Member Functions inherited from OpenCVForUnity.CoreModule.Algorithm
static Algorithm	__fromPtr__ (IntPtr addr)

Static Public Member Functions inherited from OpenCVForUnity.DisposableObject
static IntPtr	ThrowIfNullIntPtr (IntPtr ptr)

Protected Member Functions
override void	Dispose (bool disposing)

Protected Member Functions inherited from OpenCVForUnity.DisposableOpenCVObject
	DisposableOpenCVObject ()

	DisposableOpenCVObject (IntPtr ptr)

	DisposableOpenCVObject (bool isEnabledDispose)

	DisposableOpenCVObject (IntPtr ptr, bool isEnabledDispose)

Protected Member Functions inherited from OpenCVForUnity.DisposableObject
	DisposableObject ()

	DisposableObject (bool isEnabledDispose)

Additional Inherited Members
Properties inherited from OpenCVForUnity.DisposableObject
bool	IsDisposed `[get, protected set]`

bool	IsEnabledDispose `[get, set]`

Detailed Description

Variational optical flow refinement.

This class implements variational refinement of the input flow field, i.e. it uses input flow to initialize the minimization of the following functional: $$E(U) = \int_{\Omega} \delta \Psi(E_I) + \gamma \Psi(E_G) + \alpha \Psi(E_S) $$, where $$E_I,E_G,E_S$$ are color constancy, gradient constancy and smoothness terms respectively. $$\Psi(s^2)=\sqrt{s^2+\epsilon^2}$$ is a robust penalizer to limit the influence of outliers. A complete formulation and a description of the minimization procedure can be found in [Brox2004]

Member Function Documentation

◆ fromPtr()

static new VariationalRefinement OpenCVForUnity.VideoModule.VariationalRefinement.__fromPtr__ ( IntPtr addr )

static

◆ calcUV()

void OpenCVForUnity.VideoModule.VariationalRefinement.calcUV	(	Mat	I0,
		Mat	I1,
		Mat	flow_u,
		Mat	flow_v
	)

calc function overload to handle separate horizontal (u) and vertical (v) flow components (to avoid extra splits/merges)

◆ create()

static VariationalRefinement OpenCVForUnity.VideoModule.VariationalRefinement.create ( )

static

Creates an instance of VariationalRefinement.

◆ Dispose()

override void OpenCVForUnity.VideoModule.VariationalRefinement.Dispose ( bool disposing )

protectedvirtual

Reimplemented from OpenCVForUnity.VideoModule.DenseOpticalFlow.

◆ getAlpha()

float OpenCVForUnity.VideoModule.VariationalRefinement.getAlpha ( )

Weight of the smoothness term.

See also: setAlpha

◆ getDelta()

float OpenCVForUnity.VideoModule.VariationalRefinement.getDelta ( )

Weight of the color constancy term.

See also: setDelta

◆ getFixedPointIterations()

int OpenCVForUnity.VideoModule.VariationalRefinement.getFixedPointIterations ( )

Number of outer (fixed-point) iterations in the minimization procedure.

See also: setFixedPointIterations

◆ getGamma()

float OpenCVForUnity.VideoModule.VariationalRefinement.getGamma ( )

Weight of the gradient constancy term.

See also: setGamma

◆ getOmega()

float OpenCVForUnity.VideoModule.VariationalRefinement.getOmega ( )

Relaxation factor in SOR.

See also: setOmega

◆ getSorIterations()

int OpenCVForUnity.VideoModule.VariationalRefinement.getSorIterations ( )

Number of inner successive over-relaxation (SOR) iterations in the minimization procedure to solve the respective linear system.

See also: setSorIterations

◆ setAlpha()

void OpenCVForUnity.VideoModule.VariationalRefinement.setAlpha ( float val )

Weight of the smoothness term.

See also: getAlpha

◆ setDelta()

void OpenCVForUnity.VideoModule.VariationalRefinement.setDelta ( float val )

Weight of the color constancy term.

See also: getDelta

◆ setFixedPointIterations()

void OpenCVForUnity.VideoModule.VariationalRefinement.setFixedPointIterations ( int val )

Number of outer (fixed-point) iterations in the minimization procedure.

See also: getFixedPointIterations

◆ setGamma()

void OpenCVForUnity.VideoModule.VariationalRefinement.setGamma ( float val )

Weight of the gradient constancy term.

See also: getGamma

◆ setOmega()

void OpenCVForUnity.VideoModule.VariationalRefinement.setOmega ( float val )