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ID:34590162
大小:3.53 MB
页数:68页
时间:2019-03-08
《基于高精细地图的gps导航方法分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、上海交通大学硕士学位论文摘要接下来,详细介绍了高精细地图创建方案中的使用的具体方法。包括高精细地图的分层定义,精确定位方法,全景图拼接,数据结构组织等。从智能车的导航需求出发提出高精细地图概念,使用精确的定位方法和全景图处理方法,获取高精度的地理信息数据,使用空间数据库系统存储地图数据,能够方便实现查询以及路径规划等。最后,本文针对提出的高精细车道级地图进行了车道级路径规划研究。其目标是只需给定目的地,根据存储的地图数据,即能够迅速规划处一条可通行且遵循交通规则的最优车道级路径,包括路口的转向轨迹、换道轨迹,同时能够
2、提供行驶路段及附近的地图信息。关键词:高精细地图,车道级路径规划,全景图,地理信息系统,导航万方数据上海交通大学硕士学位论文ABSTRACTRESEARCHOFGPSNAVIGATIONMETHODBASEDONHD-MAPABSTRACTThewidelyuseofelectronicmapinthein-carnavigationsystemhaspromotedthedevelopmentofhighprecisionnavigationmapdatainmanycountries.Butnowadaysmos
3、toftheelectronicmapdataproductionmethodscanonlyacquirethatofroadlevel.WiththedevelopmentofIntelligenttransportationsystems(ITS),advanceddrivingassistancesystems(ADAS)andintelligentvehicletechnologies,moredetailedmapdatawithhigherprecisionisrequired.Recentlymany
4、studiesneedtousehighprecisionelectronicmap,suchasintelligentvehicleusingapriorimapinformationforaccuratepositioningandlane-levelpathplanning.HighResolutionmapreferstomapwithhighprecisionanddefinedindetails.Theprecisionneedstobeatleastdecimeterleveltodistinguish
5、differentlanesontheroad.Nowadayswiththedevelopmentofpositioningtechnology,high-precisionpositioninghasbecomepossible.Thedetaileddefinitionmeansitneedtocontainallkindsofinformationinthetrafficscene,includingtheroadnetworkdataintraditionalmaps,lanenetworkdataandt
6、rafficsigns.Themainworksofthispaperareasfollows.Firstofall,anoverallframeworkofmapdataextractionandproductionIV万方数据上海交通大学硕士学位论文ABSTRACTmethodbasedonpanoramacameraisbuildingaccordingtotheneedofautonomouscars,includingthedataacquisitionhardwareframeworkandthesoft
7、wareframework.Thedataacquisitionsensorsincludeglobalpositioningsystem(GPS),inertialnavigationsystem(INS)andwheelspeedencoderusedfordatafusionandthemapinformationisextractedfromthepanoramicimages.Thesoftwareframeworkincludesthegeographicinformationsystem(GIS)and
8、database.Nextthespecificmethodsusedinthemapgenerationprocessareintroducedindetail,includingthedefinitionofHD-map,theaccuratepositioningmethodandpanoramicimagestitchingetc.Th
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