智城实践NO.02202313智能城市INTELLIGENTCITY快速单体实景三维模型建设方法研究吴昊（江苏省测绘工程院，江苏南京210013）摘要：实景三维是国家新基建的重要组成部分，为经济社会发展和各建设单位信息化提供统一的空间基底。常规倾斜摄影及传统手工单体化生产的三维模型，已无法满足精度、效果、效率及成本等多方面需求。基础测绘为国民经济和社会发展提供重要的基础地理信息。随着经济、社会及新技术的快速发展，基础测绘的更新频率逐渐上升，产品愈发丰富。进一步深入挖掘基础测绘产品的应用价值具有十分重要的意义。文章搜集了测区已有基础测绘产品及存档建筑物矢量数据，分析已有数据特点，提出基于已有矢量数据与无人机倾斜摄影相结合的方式，快速构建单体实景三维模型，并验证了方案的可行性。关键词：矢量数据；倾斜摄影；单体实景三维模型中图分类号：TU205文献标识码：B文章编号：2096-1936（2023）02-0013-03DOI：10.19301/j.cnki.zncs.2023.02.004Researchontheconstructionmethodofrapidsinglereal3DmodelWUHaoAbstract:Real-world3Disanimportantpartofthenewnationalinfrastructure,providingaunifiedspatialfoundationforeconomicandsocialdevelopmentandtheinformatizationofvariousconstructionunits.Conventionalobliquephotographyandtraditionalmanualmonolithicproductionof3Dmodelscannolongermeettheneedsofaccuracy,effect,efficiencyandcost.Basicsurveyingandmappingprovidesimportantbasicgeographicinformationfornationaleconomicandsocialdevelopment.Withtherapiddevelopmentofeconomy,societyandnewtechnologies,theupdatefrequencyofbasicsurveyingandmappinghasgraduallyincreased,andtheproductshavebecomemoreandmoreabundant.Itisofgreatsignificancetofurtherexploretheapplicationvalueofbasicsurveyingandmappingproducts.Thepapercollectstheexistingbasicsurveyingandmappingproductsandarchivedbuildingvectordatainthesurveyarea,analyzesthecharacteristicsoftheexistingdata,andproposesamethodbasedonthecombinationofexistingvectordataandUAVobliquephotographytoquicklyconstructasinglereal-world3Dmodel,andverifiesthefeasibilityofthescheme.Keywords:vectordata;obliquephotography;singlereality3Dmodel实景三维是对人类生产、生活和生态空间进行真实、立体、时序化的反映和表达的数字虚...
