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ID:36423097
大小:7.58 MB
页数:52页
时间:2019-05-10
《基于虚拟现实的交通事故模拟再现关键技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、山东师范大学硕士学位论文基于虚拟现实的交通事故模拟再现关键技术研究姓名:何绪堂申请学位级别:硕士专业:计算机软件与理论指导教师:刘培玉20080408山东师范大学硕士学位论文现实的交通事故三维模拟系统。对交通事故三维模拟系统进行总体设计,利用3DSMAX构建事故三维模型,实现了模拟系统对3DS模型的调用与控制。探讨了交通事故的动画绘制、优化输出方法。在众多交通事故类型中,基于虚拟现实技术实现了两车碰撞类型的仿真模拟。关键词:图像测距;角点检测;相机标定;事故模拟;交通事故分类号:TP391,TP311IIResearc
2、honKeyTechnologiesofnamcAccidentSimulationBasedonvirtualRealityABSTRACTAutomobiletrafficaccidentistodayoneoftheglobalhazards,andChinaisencounteringserioustraf:ficaccidents.Sincetraf!ficaccidentshappeninaninstant,wedonotknowsomedetails,andtheyeaSilycreatethewrong
3、impression,sOitdifficulttodealwithtrafficaccidents.Weneedidentifythet11lthandcauseoftheaccident,includingtheresponsibilityfortheaccidentfairly,objectiVelyaIldrigorously.1tisveryimportantindealingwithtrafficaccidents·Nowpeopledependmainlyontapemeasurement,recordi
4、ngeVidence,humaniud肿enttodealwithtrafficaccidents,卸dthereareobViousdefects.Tbtalstationisamoreadvancedme锄sthaIlt印etoscenesurveyanddra_wingscenemap,andtherehadbeensomeincreasedefficiency.However’comparedtophotogrammetrytechnology'thereisstillala唱egapintennsofthem
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6、ereconstructionandaccidentsilIlulationwithcomputer.relatedtechnologyappearStobepanicularlyimportant·Photo铲ammetrytechnologyusedintrafficaccidentscane虢ctivelyshonenthescenemeasurementtime,improveprocessingspeed,restOrethenO珊altraf!ficorderquickly,andrcducetheposs
7、ibilityofsecondaryaccidents.Atthesametlme,photogrammetryresultscanbedirectlyappliedtotheaccidentreconstmction·Simulatingthewholeprocessoftheaccident,analyzingthecausesanddealingwithtrafficaccidentso物ectivelyandfairlybasedonphoto鲈ammetrytecllnologycannotonlygreat
8、lyimprovethesceneprocessingspeedoftheaccidenttoensurethattheIOadissmooth,butalsoenhancethequalityOfhandlingtrafficaccidents.Muchattentionhasbeenpaidtothekeytechnologi
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