资源描述：
《多媒体技术及应用期末论文》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、多媒体技术及应用题目：Virtualrealitytechnologyanditsindustrialapplications出处：中国知网班级：04020104学号：2010040201121姓名：程若禹原文：VirtualrealitytechnologyanditsindustrialapplicationsVirtualreality(VR)iswell-knownandiscurrentlybeinginvestigatedforpracticaluseinvariousindustrialfiel
2、ds.Usingthree-dimensionalcomputergraphics,interactivedevices,andahigh-resolutiondisplay,avirtualworldcanberealizedinwhichimaginaryobjectscanbepickedupasiftheywereinthephysicalworldAbstractThegenerationofgeometricshapescalled‘geometricconceptdesigns’viathemu
3、lti-sensoryuserinterfaceofavirtualreality(VR)basedsystemmotivatesthecurrentresearch.InthisnewVR-basedsystem,geometricdesignscanbemoreeffectivelyinputtedintothecomputerinaphysicallyintuitiveway.Theinteractionmechanismissimilartothewayinwhichindustrialdesigne
4、rssitanddiscussconceptdesignshapesacrossatablefromeachother,priortomakingafinaldecisionabouttheproductdetails.Byusingdifferentsensorymodalities,suchasvoice,handmotionsandgestures,productdesignerscanconveydesignideasthroughtheVR-basedcomputer-aideddesign(CAD
5、)system.Inthisscenario,themulti-sensoryinterfacebetweenhumanandcomputerplaysacentralrolewithrespecttousability,usefulnessandaccuracy.Thecurrentpaperfocusesondeterminingtherequirementsforthemulti-sensoryuserinterfaceandassessingtheapplicationsofdifferentinpu
6、tandoutputmechanismsinthevirtualenvironment(VE).Inordertoevaluatethismulti-sensoryuserinterface,thispaperformulatesthetypicalactivitiesinproductshapedesignintoasetofrequirementsfortheVR-CADsystem.Onthebasisoftheserequirements,weinterviewedtypicalCADusersabo
7、uttheeffectivenessofusingdifferentsensoryinputandoutputinteractionmechanismssuchasvisual,auditoryandtactile.Accordingtotheresultsoftheseinvestigations,anodalnetworkofdesignactivitythatdefinesthemulti-sensoryuserinterfaceoftheVR-CADsystemisdeterminedinthecur
8、rentresearch.TheVR-CADsystemisstillbeingdeveloped.However,voicecommandinput,handmotioninput,three-dimensionalvisualoutputandauditoryoutputhavebeensuccessfullyintegratedintothecurrentsystem.Moreover,sev
