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1、ProceedingsofIEEEInternationalConferenceonMultimedia&Expo2006(ICME2006),Toronto,Ontario,Canada,July9-12,2006,pp.73-76AMULTIMEDIASYSTEMFORROUTESHARINGANDVIDEO-BASEDNAVIGATIONWenWu,JieYangJingZhangSchoolofComputerScience,CarnegieMellonUniversityGeneralMotorsR&DPittsburgh,PA15213USAWarren,MI48090US
2、AABSTRACTaddsextracognitiveloadtothecognitivelyintensivedrivingtask.Therefore,newnavigationtechnologiesarenotneces-Tripplanningandin-vehiclenavigationarecrucialtasksforsarilyeffective.easierandsaferdriving.TheexistingnavigationsystemsareDrivingisafocus-attentionmulti-taskprocess.Thedriverbasedon
3、machineintelligencewithoutallowinghumanknowl-needstodistributeattentionamongdifferentaspectsoftheedgeincorporation.Thesesystemsgiveturnguidancewithprocess.Firstofall,thedriverneedstopayattentiontoissuesabstractvisualinstructionandhavenotreachedthepotentialdirectlyrelatedtodriving,includingthesur
4、roundingtraffic,ofminimizingdriver’scognitiveload,whichistheamountdashboarddisplays,andotherinfluxofinformationontheofmentalprocessingpowerrequired.Inthispaper,wede-roadsuchastrafficlightsandroadsigns.Inaddition,thescribethedevelopmentofamultimediasystemthatmakesdrivermaychoosetotalktothepassenger(
5、s),listentothedrivingandnavigationsaferandeasierbyofferingtoolsforradio,andtalkonthecellphone.Thelimitingfactorforin-routesharingintripplanningandvideo-basedrouteguidanceformationflowduringdrivingisthedriver’scognitiveload.duringdriving.ThesystemprovidesamultimodalinterfaceAlthoughtherearemanyway
6、stopotentiallyreducethecog-forausertosharehis/herroutewithothersbydrawingonnitiveloadofadriver,inthispaperwepresenttwoconcepts,adigitalmap,naturallyincorporatinghumanknowledgeintoroutesharingandvideo-basednavigation,toenhancenavi-thetripplanningprocess.Thesystemgivesdrivinginstruc-gationeffectiv
7、enessandconsequentlydrivingsafety.Routetionsbyoverlayingnavigationalarrowsontolivevideoandsharingtechniquesprovideawaytoaddhumanknowledgeprovidingsynthesizedvoicetoreducethedriver’scognitiveintotripplanning.Thesharedlandmark
