boofcv.abst.feature.tracker

Class PointTrackerTwoPassKltPyramid<I extends boofcv.struct.image.ImageGray,D extends boofcv.struct.image.ImageGray>

java.lang.Object

boofcv.abst.feature.tracker.PointTrackerKltPyramid<I,D>

boofcv.abst.feature.tracker.PointTrackerTwoPassKltPyramid<I,D>

All Implemented Interfaces:

PointTracker<I>, PointTrackerTwoPass<I>

public class PointTrackerTwoPassKltPyramid<I extends boofcv.struct.image.ImageGray,D extends boofcv.struct.image.ImageGray>
extends PointTrackerKltPyramid<I,D>
implements PointTrackerTwoPass<I>

Changes behavior of PointTrackerKltPyramid so that it conforms to the PointTrackerTwoPass interface.

Field Summary

Fields inherited from class boofcv.abst.feature.tracker.PointTrackerKltPyramid

active, basePyramid, config, derivType, derivX, derivY, dropped, gradient, input, spawned, templateRadius, tracker, unused

Constructor Summary

Constructors

Constructor and Description
PointTrackerTwoPassKltPyramid(boofcv.alg.tracker.klt.KltConfig config, int templateRadius, boofcv.struct.pyramid.PyramidDiscrete<I> pyramid, boofcv.alg.feature.detect.interest.GeneralFeatureDetector<I,D> detector, boofcv.abst.filter.derivative.ImageGradient<I,D> gradient, boofcv.alg.interpolate.InterpolateRectangle<I> interpInput, boofcv.alg.interpolate.InterpolateRectangle<D> interpDeriv)

Method Summary

Modifier and Type	Method and Description
void	finishTracking() Finishes tracking and updates the track's description, updates inactive and drop track lists.
java.util.List<PointTrack>	getAllTracks(java.util.List<PointTrack> list) Returns a list of all features that are currently being tracked
void	performSecondPass() Updates spacial information for each track and active list.
void	process(I image) Process input image and perform tracking.
void	setHint(double pixelX, double pixelY, PointTrack track) Provides a hint for where the

Methods inherited from class boofcv.abst.feature.tracker.PointTrackerKltPyramid

addToList, addTrack, checkValidSpawn, declareOutput, dropAllTracks, dropTrack, getActiveTracks, getDroppedTracks, getInactiveTracks, getNewTracks, reset, spawnTracks

Methods inherited from class java.lang.Object

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

Methods inherited from interface boofcv.abst.feature.tracker.PointTracker

dropAllTracks, dropTrack, getActiveTracks, getDroppedTracks, getInactiveTracks, getNewTracks, reset, spawnTracks

Constructor Detail

PointTrackerTwoPassKltPyramid

public PointTrackerTwoPassKltPyramid(boofcv.alg.tracker.klt.KltConfig config,
                                     int templateRadius,
                                     boofcv.struct.pyramid.PyramidDiscrete<I> pyramid,
                                     boofcv.alg.feature.detect.interest.GeneralFeatureDetector<I,D> detector,
                                     boofcv.abst.filter.derivative.ImageGradient<I,D> gradient,
                                     boofcv.alg.interpolate.InterpolateRectangle<I> interpInput,
                                     boofcv.alg.interpolate.InterpolateRectangle<D> interpDeriv)

Method Detail

process

public void process(I image)

Description copied from interface: PointTracker

Process input image and perform tracking.

Specified by:

process in interface PointTracker<I extends boofcv.struct.image.ImageGray>

Specified by:

process in interface PointTrackerTwoPass<I extends boofcv.struct.image.ImageGray>

Overrides:

process in class PointTrackerKltPyramid<I extends boofcv.struct.image.ImageGray,D extends boofcv.struct.image.ImageGray>

Parameters:

image - Next image in the sequence

performSecondPass

public void performSecondPass()

Description copied from interface: PointTrackerTwoPass

Updates spacial information for each track and active list. Does not change the track description or any other lists. Can be called multiple times.

Specified by:

performSecondPass in interface PointTrackerTwoPass<I extends boofcv.struct.image.ImageGray>

finishTracking

public void finishTracking()

Description copied from interface: PointTrackerTwoPass

Finishes tracking and updates the track's description, updates inactive and drop track lists.

Specified by:

finishTracking in interface PointTrackerTwoPass<I extends boofcv.struct.image.ImageGray>

setHint

public void setHint(double pixelX,
                    double pixelY,
                    PointTrack track)

Description copied from interface: PointTrackerTwoPass

Provides a hint for where the

Specified by:

setHint in interface PointTrackerTwoPass<I extends boofcv.struct.image.ImageGray>

Parameters:

pixelX - x-coordinate hint for where the track is in the image

pixelY - y-coordinate hint for where the track is in the image

track - The track for which the hint is being provided for

getAllTracks

public java.util.List<PointTrack> getAllTracks(java.util.List<PointTrack> list)

Description copied from interface: PointTracker

Returns a list of all features that are currently being tracked

Specified by:

getAllTracks in interface PointTracker<I extends boofcv.struct.image.ImageGray>

Overrides:

getAllTracks in class PointTrackerKltPyramid<I extends boofcv.struct.image.ImageGray,D extends boofcv.struct.image.ImageGray>

Parameters:

list - Optional storage for the list of tracks. If null a new list will be declared internally.

Returns:

List of tracks.