Cv2.CalcOpticalFlowPyrLK Method (InputArray, InputArray, InputArray, InputOutputArray, OutputArray, OutputArray, Nullable(Size), Int32, Nullable(TermCriteria), OpticalFlowFlags, Double)

Cv2CalcOpticalFlowPyrLK Method (InputArray, InputArray, InputArray, InputOutputArray, OutputArray, OutputArray, NullableSize, Int32, NullableTermCriteria, OpticalFlowFlags, Double)

OpenCvSharp Class Library

computes sparse optical flow using multi-scale Lucas-Kanade algorithm

Namespace: OpenCvSharp.CPlusPlus
Assembly: OpenCvSharp.CPlusPlus (in OpenCvSharp.CPlusPlus.dll) Version: 1.0.0.0 (1.0.0.0)

Syntax

C++

Copy

public static void CalcOpticalFlowPyrLK(
	InputArray prevImg,
	InputArray nextImg,
	InputArray prevPts,
	InputOutputArray nextPts,
	OutputArray status,
	OutputArray err,
	Nullable<Size> winSize = null,
	int maxLevel = 3,
	Nullable<TermCriteria> criteria = null,
	OpticalFlowFlags flags = OpticalFlowFlags.None,
	double minEigThreshold = 0.0001
)

Public Shared Sub CalcOpticalFlowPyrLK ( 
	prevImg As InputArray,
	nextImg As InputArray,
	prevPts As InputArray,
	nextPts As InputOutputArray,
	status As OutputArray,
	err As OutputArray,
	Optional winSize As Nullable(Of Size) = Nothing,
	Optional maxLevel As Integer = 3,
	Optional criteria As Nullable(Of TermCriteria) = Nothing,
	Optional flags As OpticalFlowFlags = OpticalFlowFlags.None,
	Optional minEigThreshold As Double = 0.0001
)

public:
static void CalcOpticalFlowPyrLK(
	InputArray^ prevImg, 
	InputArray^ nextImg, 
	InputArray^ prevPts, 
	InputOutputArray^ nextPts, 
	OutputArray^ status, 
	OutputArray^ err, 
	Nullable<Size> winSize = nullptr, 
	int maxLevel = 3, 
	Nullable<TermCriteria> criteria = nullptr, 
	OpticalFlowFlags flags = OpticalFlowFlags::None, 
	double minEigThreshold = 0.0001
)

static member CalcOpticalFlowPyrLK : 
        prevImg : InputArray * 
        nextImg : InputArray * 
        prevPts : InputArray * 
        nextPts : InputOutputArray * 
        status : OutputArray * 
        err : OutputArray * 
        ?winSize : Nullable<Size> * 
        ?maxLevel : int * 
        ?criteria : Nullable<TermCriteria> * 
        ?flags : OpticalFlowFlags * 
        ?minEigThreshold : float 
(* Defaults:
        let _winSize = defaultArg winSize null
        let _maxLevel = defaultArg maxLevel 3
        let _criteria = defaultArg criteria null
        let _flags = defaultArg flags OpticalFlowFlags.None
        let _minEigThreshold = defaultArg minEigThreshold 0.0001
*)
-> unit

Parameters

prevImg: Type: OpenCvSharp.CPlusPlusInputArray
[Missing <param name="prevImg"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
nextImg: Type: OpenCvSharp.CPlusPlusInputArray
[Missing <param name="nextImg"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
prevPts: Type: OpenCvSharp.CPlusPlusInputArray
[Missing <param name="prevPts"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
nextPts: Type: OpenCvSharp.CPlusPlusInputOutputArray
[Missing <param name="nextPts"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
status: Type: OpenCvSharp.CPlusPlusOutputArray
[Missing <param name="status"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
err: Type: OpenCvSharp.CPlusPlusOutputArray
[Missing <param name="err"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
winSize (Optional): Type: SystemNullableSize
[Missing <param name="winSize"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
maxLevel (Optional): Type: SystemInt32
[Missing <param name="maxLevel"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
criteria (Optional): Type: SystemNullableTermCriteria
[Missing <param name="criteria"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
flags (Optional): Type: OpenCvSharp.CPlusPlusOpticalFlowFlags
[Missing <param name="flags"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]
minEigThreshold (Optional): Type: SystemDouble
[Missing <param name="minEigThreshold"/> documentation for "M:OpenCvSharp.CPlusPlus.Cv2.CalcOpticalFlowPyrLK(OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputArray,OpenCvSharp.CPlusPlus.InputOutputArray,OpenCvSharp.CPlusPlus.OutputArray,OpenCvSharp.CPlusPlus.OutputArray,System.Nullable{OpenCvSharp.CPlusPlus.Size},System.Int32,System.Nullable{OpenCvSharp.CPlusPlus.TermCriteria},OpenCvSharp.CPlusPlus.OpticalFlowFlags,System.Double)"]

Reference

Cv2 Class

CalcOpticalFlowPyrLK Overload

OpenCvSharp.CPlusPlus Namespace