基于背景运动补偿的红外目标运动分析Ξ

155Vol.15,No.520035HIGHPOWERLASERANDPARTICLEBEAMSMay,2003:100124322(2003)0520431204X1,1,2,1(1.,230026;2.,621900):,,,,,;;;:O438:A,,,,,,,,,,,,,,,,(),,,[35],,11,4,(),Fig.1Imageseriesofinfraredtargetindynamicbackground1(),,,,,,,,2,X:2002210216;:2003202217::(19742),,,;E2mail:[e-mail]©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.30,(),(),PtPb,r,[3]P(g)=rPt(g)+(1-r)Pb(g)(1),g0[3]g0=g|rPt(g)=(1-r)Pb(g)(2)Pt(g)Pb(g)2,,10Hz,10Xt,YtFig.2Timeseriesofinfraredtargettrack21,,?,?Xt(),,Xt,:,3,,,,g1(m,n)g2(m,n)MN,(dX,dY)(),Em(dX,dY)=1MN[g2(m,n)-g1(m,n)]2(3)(MSE),(dX,dY)O[3][dX,dY]TO=[dX,dY]T|Em(dX,dY)=minEm(dX,dY)(4)3,,(Xb,Yb)Xb,,2,,,()Y,,,23415©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Fig.3Timeseriesofbackgroundmovement34,tgtccg,tg=tc+cg=tc-gc(5),gc=-cg,,tgX=tcX-gcXtgY=tcY-gcY(6)(5),,4,32,,(Xc,Yc)Fig.4Trackseriesoftargetcompensatedwithbackground42,4,,,0;,,,0:,(),,4,Xc=83.092t-215.800Yc=-5.517t+25.004(7)3345:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.R2X=0.995R2Y=0.930(8),,,(2),,,,,3%5,,,,,,,,:[1]TekalpAM.[M].:,1998.(TekalpAM.Digitvideoprocessing.Beijing:ElectronicIndustryPress,1998)[2].[M].:,1997.(CuiY.Digitalimageprocessingandapplication.Beijing:ElectronicIndus2tryPress,1997)[3]DH,CM.[M].:,1987.(BaredDH,BrownCM.Computervision,Beijing:SciencePress,1987)[4],,.[M].:,1999.(LiZY,ShenZK,YangWP.Dynamicimageanalysis[M].Bei2jing:NationalDefenceIndustryPress,1999)[5]DiehlN.Objec2orientedmotionsestimationandsegmentationinimagesequences[J].SignalProcessing,1991,15(3):2356.[6],,.[J].,2001,23(4):811.(YangWP,LiJP,ShenZK.Sev2eralproblemsontheresearchoftargetrecognitionandtrackingininfraredimagesequences.InfraredTechnology,2001,23(4):811)[7],,.[J].,1999,14(2):2733.(LiuQZ,YaoJ,SunW.AnapproachonrecognitionofmotionobjectsandtrackingofIRimage.RemoteSensingTechnologyandApplication,1999,14(2):2733)[8].[J].,1997,17(3):192200.(TanXY.ResearchontheIRtargetimagerec2ognizingandtrackingsystemanditsmilitaryapplication.OptoelectronicTechnology.1997,17(3):192200)MotionanalysisandtrackinginfraredtargetbasedoncompensationwithbackgroundmovementYOUAn2qing1,CHENGYi2min1,ZHANGKai2,GUOCong2liang1(1.DepartmentofElectronicScienceandTechnology,UniversityofScienceandTechnologyofChina,Hefei230026,China;2.InstituteofAppliedElectronics,CAEP,P.O.Box91921011,Mianyang621900,China)Abstract:Inaninfraredtargettrackingsystem,ifthebackgroundisdynamic,themeasuredmotionofthetargetwillbecomecomplicated,andthemeaningofthetrackcurvewillbeunclear.Forthisreason,ananalyticalmethodbasedonmovementcompensationisputforward.Bycompensatingrelativemovementoftargetwiththatofbackground,aclearandexplicittargettraceisobtained,andin2trinsicrulesofthetargetmovingarediscovered,whichwillmakegreathelpformotionpredictingandtargettracking.Keywords:Dynamicbackground;Motioncompensation;Infraredtarget;Tracking43415©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.