Interactive virtual assembling in augmented reali...

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1、IntJInteractDesManuf(2009)3:109119DOI10.1007/s12008-009-0064-xTECHNICALPAPERInteractivevirtualassemblinginaugmentedrealityPierPaoloValentiniReceived:16February2009/Accepted:6March2009/Publishedonline:24March2009©Springer-Verlag2009AbstractInthispaper,

2、acomputer-aidedmethodologywhichvirtualCADmodelscanbeintegratedintoarealscene.basedonaugmentedrealitytomanipulateandinteractivelyThelevelofdetailsoftheaugmentedscenehastobeveryassemblevirtualobjectsispresented.Thedevelopedsystem,realisticinordertogivet

3、heusertheillusionofauniquerealbasedonbothhardwareandsoftwareimplementation,allowsworld.Concerningengineeringanddesign,themoresuitabletheusertobeimmersedinanaugmentedscene(realworldARtechnologyisbasedonthevideosee-throughsystems.Itandvirtualobjects)bym

4、eansofanhead-mounteddisplayandisbasedontheuseofoneortwocameraswhichacquireaninteractwiththevirtualcomponentsusingaglovewithsen-imagestreamfromtherealworld.Thestreamisprocessedbysors.Theauthorpresentstheimplementationofthesystemacomputerwhichaddsvirtua

5、lcontents,producinganaug-facingtheproblemsconcerningtheinterpretationofusersmentedimagestreamwhichisprojectedbacktotheuserbyintenttograspandmovetheobjectsandthecomputer-aidedmeansofablindvisoronanheadmounteddisplay(Fig.1).assemblybasedonanovelapproach

6、concerningactivefea-Atpresent,theresearchinthefieldofaugmentedrealityturesdynamicrecognition.Anexampleofimplementationisfocusedontheincreasingofinteraction[4].Itmeansthatishereinreportedanddiscussed.theuserhastobenotonlyaspectatorbuthehastobeabletoacti

7、velyinteractwiththecontentsofthescene.BythisKeywordsVirtualassembly·Augmentedreality·way,theaugmentedrealityisanoutstandingcandidateforAssemblysimulation·Computer-aidedengineeringsupportingmanyengineeringactivitiesasmodeling,simu-lating,assembling,etc

8、.Inparticular,thedevelopmentofARapplicationsinengi-1Introductionneeringhasopenedupapowerfularrayoftoolstosolvetheassemblyplanningproblem.Insteadofabstract,algorithmicTheAugmentedreality(AR)dealswiththecombinationofassemblyplanning,anengineerca