org.opencv.video

Class Tracker

java.lang.Object

org.opencv.video.Tracker

Direct Known Subclasses:

TrackerDaSiamRPN, TrackerGOTURN, TrackerMIL

public class Tracker
extends Object

Base abstract class for the long-term tracker

Field Summary

Fields

Modifier and Type	Field and Description
protected long	nativeObj

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Tracker(long addr)

Method Summary

Modifier and Type	Method and Description
static Tracker	__fromPtr__(long addr)
protected void	finalize()
long	getNativeObjAddr()
void	init(Mat image, Rect boundingBox) Initialize the tracker with a known bounding box that surrounded the target
boolean	update(Mat image, Rect boundingBox) Update the tracker, find the new most likely bounding box for the target

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

nativeObj

protected final long nativeObj

Constructor Detail

Tracker

protected Tracker(long addr)

Method Detail

getNativeObjAddr

public long getNativeObjAddr()

__fromPtr__

public static Tracker __fromPtr__(long addr)

init

public void init(Mat image,
                 Rect boundingBox)

Initialize the tracker with a known bounding box that surrounded the target

Parameters:

image - The initial frame

boundingBox - The initial bounding box

update

public boolean update(Mat image,
                      Rect boundingBox)

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

Parameters:

image - The current frame

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

Returns:

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)

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable