Table of Contents

Class Tracker

Namespace
OpenCvSharp
Assembly
OpenCvSharp.dll

Base abstract class for the long-term tracker

public abstract class Tracker : Algorithm, IDisposable, ICvPtrHolder
Inheritance
Tracker
Implements
Derived
Inherited Members

Constructors

Tracker(Ptr)

protected Tracker(Ptr ptrObj)

Parameters

ptrObj Ptr

Methods

DisposeManaged()

Releases managed resources

protected override void DisposeManaged()

Init(Mat, Rect)

Initialize the tracker with a know bounding box that surrounding the target

public void Init(Mat image, Rect boundingBox)

Parameters

image Mat

The initial frame

boundingBox Rect

The initial bounding box

Update(Mat, ref Rect)

Update the tracker, find the new most likely bounding box for the target

public bool Update(Mat image, ref Rect boundingBox)

Parameters

image Mat

The current frame

boundingBox Rect

The bounding box that represent the new target location, if true was returned, not modified otherwise

Returns

bool

True means that target was located and false means that tracker cannot locate target in current frame.Note, that latter does not imply that tracker has failed, maybe target is indeed missing from the frame (say, out of sight)