倾斜摄影航线规划在桥梁建模中的应用研究  

Research on the Application of Oblique Photography Route Planning in Bridge Modeling

作　　者：冯东明 余星宇 韩怡天 吴刚[1,2] 杨站强 FENG Dong-ming;YU Xing-yu;HAN Yi-tian;WU Gang;YANG Zhan-qiang(Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education,Nanjing 211189,China;National and Local Joint Engineering Research Center for Intelligent Construction and Maintenance,Nanjing 21l189,China;China Railway Construction Investment Shanxi Expressway Co.Ltd.,Yuncheng 044031,China)

机构地区：[1]混凝土及预应力混凝土结构教育部重点实验室,南京市211189 [2]智慧建造与运维国际地方联合工程研究中心,南京市211189 [3]中铁建投山西高速公路有限公司,运城市044031

出　　处：《公路》2023年第6期227-232,共6页Highway

基　　金：中央高校基本科研业务费专项资金资助项目,项目编号3205002203A1,2242022k30024;江苏省“333高层次人才培养工程”科研资助项目,项目编号BRA2020037;山西省交通建设科技项目,项目编号2020-2-04。

摘　　要：介绍了针对在建桥梁进行快速建模的精细化航线规划的基本原理和方法,选用无人机首先采用环形航线或五向飞行航线建立桥梁的粗略倾斜摄影三维模型后,在粗模上标记特征点,依据特征点规划精细化航线,最后建立精细倾斜摄影三维模型。通过在实际工程中的应用发现,相比环形航线和五向飞行航线,无人机精细化航线能有效提高航线效率,减少飞行时间,且能实现多高度、多角度观测,有效减少视觉盲区,模型完整度和纹理细节都更优,重建模型的精细化程度更高。In order to quickly model the bridge under construction,in this paper the basic principle of refined route planning is introduced.First,UAV is selected to establish a rough oblique photography 3D model of the bridge by using a circular route or a five-way flight route.Then,the feature points are marked on the rough model.According to the feature points,fine refined routes are planned.Finally,a fine oblique photography 3D model is established and applied in a case.Compared with circular route and five way flight route,the UAV refined route can effectively improve route efficiency,reduce flight time,realize multi-altitude and multi-angle observation,and effectively reduce visual blind area.The model integrity and texture details are better,and the precision of reconstruction model is higher.

关 键 词：桥梁工程 三维建模 无人机 航线规划 倾斜摄影 摄影测量 

分 类 号：U442.4[建筑科学—桥梁与隧道工程] P231[交通运输工程—道路与铁道工程]