Class cv::cuda::SparsePyrLKOpticalFlow#

Class used for calculating a sparse optical flow. View details

#include <opencv2/cudaoptflow.hpp>

Collaboration diagram for cv::cuda::SparsePyrLKOpticalFlow:

cv::cuda::SparsePyrLKOpticalFlow Node1 cv::cuda::SparsePyrLKOpticalFlow   + getMaxLevel() + getNumIters() + getUseInitialFlow() + getWinSize() + setMaxLevel() + setNumIters() + setUseInitialFlow() + setWinSize() + create() Node2 cv::cuda::SparseOpticalFlow   + calc() Node2->Node1 Node3 cv::Algorithm   + Algorithm() + ~Algorithm() + clear() + empty() + getDefaultName() + read() + save() + write() + write() + load() + loadFromString() + read() # writeFormat() Node3->Node2

cv::cuda::SparsePyrLKOpticalFlow Node1 cv::cuda::SparsePyrLKOpticalFlow   + getMaxLevel() + getNumIters() + getUseInitialFlow() + getWinSize() + setMaxLevel() + setNumIters() + setUseInitialFlow() + setWinSize() + create() Node2 cv::cuda::SparseOpticalFlow   + calc() Node2->Node1 Node3 cv::Algorithm   + Algorithm() + ~Algorithm() + clear() + empty() + getDefaultName() + read() + save() + write() + write() + load() + loadFromString() + read() # writeFormat() Node3->Node2

Public Member Functions#

Public Member Functions inherited from cv::cuda::SparseOpticalFlow

Return

Name

Description

void

calc(
    InputArray prevImg,
    InputArray nextImg,
    InputArray prevPts,
    InputOutputArray nextPts,
    OutputArray status,
    OutputArray err = cv::noArray(),
    Stream & stream = Stream::Null() )

Calculates a sparse optical flow.
Public Member Functions inherited from cv::Algorithm

Return

Name

Description

Algorithm()

~Algorithm()

void

clear()

Clears the algorithm state.

bool

empty()

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

String

getDefaultName()

void

read(const FileNode & fn)

Reads algorithm parameters from a file storage.

void

save(const String & filename)

void

write(
    const Ptr< FileStorage > & fs,
    const String & name = String() )

void

write(FileStorage & fs)

Stores algorithm parameters in a file storage.

void

write(
    FileStorage & fs,
    const String & name )

Static Public Member Functions#

Static Public Member Functions inherited from cv::Algorithm

Return

Name

Description

static Ptr< _Tp >

load(
    const String & filename,
    const String & objname = String() )

Loads algorithm from the file.

static Ptr< _Tp >

loadFromString(
    const String & strModel,
    const String & objname = String() )

Loads algorithm from a String.

static Ptr< _Tp >

read(const FileNode & fn)

Reads algorithm from the file node.

Additional Inherited Members#

Protected Member Functions inherited from cv::Algorithm

Return

Name

Description

void

writeFormat(FileStorage & fs)

Detailed Description#

Class used for calculating a sparse optical flow.

The class can calculate an optical flow for a sparse feature set using the iterative Lucas-Kanade method with pyramids.

See also

calcOpticalFlowPyrLK

Note

  • An example of the Lucas Kanade optical flow algorithm can be found at opencv_source_code/samples/gpu/pyrlk_optical_flow.cpp

Member Function Documentation#

getMaxLevel()#

int cv::cuda::SparsePyrLKOpticalFlow::getMaxLevel()

getNumIters()#

int cv::cuda::SparsePyrLKOpticalFlow::getNumIters()

getUseInitialFlow()#

bool cv::cuda::SparsePyrLKOpticalFlow::getUseInitialFlow()

getWinSize()#

Size cv::cuda::SparsePyrLKOpticalFlow::getWinSize()

setMaxLevel()#

void cv::cuda::SparsePyrLKOpticalFlow::setMaxLevel(int maxLevel)

setNumIters()#

void cv::cuda::SparsePyrLKOpticalFlow::setNumIters(int iters)

setUseInitialFlow()#

void cv::cuda::SparsePyrLKOpticalFlow::setUseInitialFlow(bool useInitialFlow)

setWinSize()#

void cv::cuda::SparsePyrLKOpticalFlow::setWinSize(Size winSize)

create()#

static Ptr< cuda::SparsePyrLKOpticalFlow > cv::cuda::SparsePyrLKOpticalFlow::create(
Size winSize = Size(21, 21),
int maxLevel = 3,
int iters = 30,
bool useInitialFlow = false )

Source file#

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