Package org.opencv.video

Class Tracker

java.lang.Object

org.opencv.video.Tracker

Direct Known Subclasses:

TrackerCSRT, TrackerDaSiamRPN, TrackerKCF, TrackerMIL, TrackerNano, TrackerVit

public class Tracker
extends java.lang.Object

Base abstract class for the long-term tracker

Field Summary

Fields

Modifier and Type	Field	Description
protected long	nativeObj

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Tracker(long addr)

Method Summary

Modifier and Type	Method	Description
static Tracker	__fromPtr__(long addr)
protected void	finalize()
long	getNativeObjAddr()
float	getTrackingScore()	Return tracking score
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)

getTrackingScore

public float getTrackingScore()

Return tracking score

Returns:

automatically generated

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable