预览加载中,请您耐心等待几秒...
1/4
2/4
3/4
4/4

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

基于轨迹关联的多目标跟踪 Abstract Multi-objecttracking(MOT)isacriticaltaskincomputervision,whichaimstoaccuratelyassociateandtrackmultipleobjectsovertime.Trajectory-basedMOTisapopularapproachthatreliesonassociatingobjecttrajectoriesacrossframes.Thispaperprovidesacomprehensiveoverviewoftrajectory-basedMOT,coveringkeytechniquessuchasdataassociation,motionmodels,andfilteringmethods.Wealsodiscussthechallengesandfuturedirectionsoftrajectory-basedMOT. Introduction Multi-objecttracking(MOT)isachallengingtaskincomputervision,whichinvolvesdetectingandtrackingmultipleobjectsinavideosequence.MOThasnumerousapplications,suchassurveillance,robotics,andautonomousdriving.AccurateandrobustMOTisnecessaryfortheseapplicationstobeeffective. Trajectory-basedMOTisoneofthemostcommonapproachestoMOT.Thisapproachinvolvesassociatingobjecttrajectoriesacrossframestotrackobjectsovertime.Trajectory-basedmethodshaveseveraladvantages,includingtheabilitytohandleocclusionsandtrackobjectsaccuratelyoverlongperiods. Inthispaper,weprovideacomprehensivereviewoftrajectory-basedMOT.WebeginwithadiscussionofthekeychallengesinMOTandhowtrajectory-basedmethodsaddressthesechallenges.Wethencoverthefundamentalcomponentsoftrajectory-basedmethods,includingdataassociation,motionmodels,andfilteringmethods.Finally,wediscussthelimitationsoftrajectory-basedmethodsandfuturedirectionsforMOTresearch. ChallengesinMOT MOTisachallengingtaskduetoseveralfactors,suchasobjectappearancechange,occlusion,andmotionblur.Thesechallengescanleadtofalsedetections,misseddetections,andobjectfragmentation. ObjectappearancechangeisacommonchallengeinMOT.Objectscanchangeappearanceduetolightingconditionsorchangesintheobject'sorientation.Thesechangescanleadtofalsedetectionsormisseddetections. OcclusionisanotherchallengeinMOT.Whenobjectsoccludeeachother,itbecomesdifficulttoaccuratelytrackthem.Occlusionscancauseobjectfragmentation,whereasingleobjectisdetectedasmultipledisjointobjects. MotionblurisafinalchallengeinMOT.Motionbluroccurswhenobjectsmovequickly,causingt