org.openimaj.video.processing.tracking

Class BasicObjectTracker

java.lang.Object

org.openimaj.video.processing.tracking.BasicObjectTracker

All Implemented Interfaces:

ObjectTracker<Rectangle,FImage>

public class BasicObjectTracker
extends Object
implements ObjectTracker<Rectangle,FImage>

A tracker that will track one rectangular region using the KLTTracker.

Author:

David Dupplaw (dpd@ecs.soton.ac.uk)

Created:

13 Oct 2011

Constructor Summary

Constructors

Constructor and Description
BasicObjectTracker() Default constructor that will use 50 features and an accuracy of 0.5.
BasicObjectTracker(double accuracy) Constructor that takes the accuracy to use for tracking.
BasicObjectTracker(int nFeatures) Default constructor that takes the number of features to be used.
BasicObjectTracker(int nFeatures, double accuracy) Constructor that takes the number of features to use and the accuracy for tracking.

Method Summary

Modifier and Type	Method and Description
FeatureList	getFeatureList() Returns the list of features that the tracker has been tracking.
List<Rectangle>	initialiseTracking(Rectangle bounds, FImage img) Initialise this tracker with a particular area on a particular image.
List<Rectangle>	trackObject(FImage img) Reset this tracker using the given image

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicObjectTracker

public BasicObjectTracker()

Default constructor that will use 50 features and an accuracy of 0.5.

BasicObjectTracker

public BasicObjectTracker(int nFeatures)

Default constructor that takes the number of features to be used. Will use an accuracy of 0.5.

Parameters:

nFeatures - The number of features to use.

BasicObjectTracker

public BasicObjectTracker(double accuracy)

Constructor that takes the accuracy to use for tracking. Will use 50 features.

Parameters:

accuracy - The accuracy to use.

BasicObjectTracker

public BasicObjectTracker(int nFeatures,
                          double accuracy)

Constructor that takes the number of features to use and the accuracy for tracking.

Parameters:

nFeatures - The number of features to use.

accuracy - The accuracy to use

Method Detail

trackObject

public List<Rectangle> trackObject(FImage img)

Reset this tracker using the given image

Specified by:

trackObject in interface ObjectTracker<Rectangle,FImage>

Parameters:

img - The image to continue tracking the object within.

Returns:

TRUE if the tracking continued ok; FALSE otherwise

initialiseTracking

public List<Rectangle> initialiseTracking(Rectangle bounds,
                                          FImage img)

Initialise this tracker with a particular area on a particular image.

Specified by:

initialiseTracking in interface ObjectTracker<Rectangle,FImage>

Parameters:

bounds - The area to track

img - The image

Returns:

A list of found objects (may be empty if no object found); should not be null.

getFeatureList

public FeatureList getFeatureList()

Returns the list of features that the tracker has been tracking.

Returns:

the FeatureList