户外增强现实地理信息系统原型设计与实现

3211200711GeomaticsandInformationScienceofWuhanUniversityVol.32No.11Nov.2007:2007209226:(NCET20420666);863(2006AA12Z202):167128860(2007)1121046204:A1,21(1,129,430079)(2,129,430079):,,,:;;;:P208(augmentedreality,AR),[1,2]OARGIS(outdooraugmentedrealitygeo2graphicinformationsystem)(mobilecomputation),AR,,,;,,OARGIS,,,,,,IBMMi2croOpticalXybernaut100,LCD(HMD),,(NCGIA)NASABatutta,,PDA[3]1,,,,,,,,:,,(3211:LCD),,,,,,,1.1,:1)GPSGPS,GIS,2)CCD,CCDARToolKit3)OpenGL,,,4),,5),,6),,(),,7),;;;;1.2AR,,,15/s,:,;GPS3D,;(),();(Xw,Yw,Zw),;,,,;,;;,1.3C/SGIS,1()()1Fig.1ScanforGeo2objecttobeDisplayedAccordingtoViewshed1.47401200711,1.4.1,GIS,,GPS(2)2GarminGPSHMR3000Fig.2GarminGPSandHMR200032DDigitalCompass1.4.23,xyz();,;xyz()(),oz;uv,,oz,3Fig.3CoordinateTransforminginImageRegistration,()(),xyz,(,,)xyz(x,y,z):xyz1=A1=RATA011(1),A,xyzxyzB,(,,)()(x,y,z),xyz1=Bxyz1=RBTB01xyz1=RBTB01RATA011(2),uv,2ARToolKit4(,GPSGIS,)4Fig.4DesktopImageRegistration5(a)3.5m,,N3031.753E11421.098,8.3m,5(b),N3031.749E11421.106,0,N3031.764E11421.051,84013211:20m5Fig.5OutdoorRegistrationofaVirtualObject3,,,,,GIS,[1]ZlatanovaDS.AugmentedRealityTechnology[R].GISReportNo.17,Delft,2002[2]AzumaRT.ASurveyofAugmentedReality[J].Tele2operatorsandVirtualEnvironments,1997,4(2):3552385[3]ClarkeKC.CartographyinaMobileInternetAge[C].The20thInternationalCartographicConfer2ence,Beijing,2001[4]YamashitaM,SakaneS.AdaptiveAnnotationUsingaHuman2robotInterfaceSystemPartner[C].The2001IEEEInternationalConferenceonRobot2icsandAutomation,SeoulKorea,2001[5]StateA,HirotaG,ChenDT,etal.SuperiorAug2mentedRealityRegistrationbyIntegratingLand2markTrackingandMagneticTracking[C].SIG2GRAPH96,NewOrleans,1996[6]BajuraM,FuchsH,OhbuchiR.MergingVirtualObjectswiththeRealWorld:SeeingUltrasoundImageryWithinthePatient[C].SIGGRAPH92,Chicago,1992:,,GISE2mail:[e-mail]nofaPrototypeOutdoorAugmentedRealityGISDUQingyun1,2LIUTao1(1SchoolofResourceandEnvironmentScience,WuhanUniversity,129LuoyuRoad,Wuhan430079,China)(2KeyLaboratoryofGeographicInformationSystem,MinistryofEducation,WuhanUniversity,129LuoyuRoad,Wuhan430079,China)Abstract:ThemodetointegrateoutdooraugmentedrealitywithmobileGISisinvestigated,ageneralframeworkofoutdooraugmentedrealityGIS(OARGIS)isdesigned.SeveralkeytechnologiesforOARGISimplementationareresearchedwithemphasisandbasedonwhichaprototypesystemisimplemented.Keywords:augmentedreality;mobilecomputation;imageregistration;OARGISAboutthefirstauthor:DUQingyun,professor,Ph.Dsupervisor,majorsinmultimediacartography,GISconceptualmodelandtechnologies.E2mail:[e-mail]9401