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OpenCV
4.9.0
Open Source Computer Vision
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Class used for calculating a sparse optical flow. More...
#include <opencv2/cudaoptflow.hpp>
Public Member Functions | |
virtual int | getMaxLevel () const =0 |
virtual int | getNumIters () const =0 |
virtual bool | getUseInitialFlow () const =0 |
virtual Size | getWinSize () const =0 |
virtual void | setMaxLevel (int maxLevel)=0 |
virtual void | setNumIters (int iters)=0 |
virtual void | setUseInitialFlow (bool useInitialFlow)=0 |
virtual void | setWinSize (Size winSize)=0 |
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virtual void | calc (InputArray prevImg, InputArray nextImg, InputArray prevPts, InputOutputArray nextPts, OutputArray status, OutputArray err=cv::noArray(), Stream &stream=Stream::Null())=0 |
Calculates a sparse optical flow. More... | |
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Algorithm () | |
virtual | ~Algorithm () |
virtual void | clear () |
Clears the algorithm state. More... | |
virtual bool | empty () const |
Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read. More... | |
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 (FileStorage &fs, const String &name) const |
void | write (const Ptr< FileStorage > &fs, const String &name=String()) const |
Static Public Member Functions | |
static Ptr< cuda::SparsePyrLKOpticalFlow > | create (Size winSize=Size(21, 21), int maxLevel=3, int iters=30, bool useInitialFlow=false) |
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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... | |
Additional Inherited Members | |
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void | writeFormat (FileStorage &fs) const |
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.
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static |
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pure virtual |
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pure virtual |
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pure virtual |
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pure virtual |
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pure virtual |
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pure virtual |
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pure virtual |
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pure virtual |