地铁保护区内无人机测绘数据处理的算法研究

Data Processing Algorithms of UAV Surveying and Mapping in Metro Protected Area

以无人机航空摄影测量技术为依托,对地铁隧道外部长线路的地貌进行航拍测绘,研究一套无人机测绘及安全巡查数据处理算法:地铁隧道边线提取算法、地铁保护区边线提取算法、地表点高差计算算法.开发自动化程度高的数据处理系统,自动量化分析地铁保护区内地表高程变化、邻近项目进展情况等,形成立体化的三维坐标可视化数据,对地铁隧道的结构变形分析有一定的参考价值.

Relying on UAV photogrammetry technology this paper carried out an aerial photography survey of long lines outside Metro tunnels and studied a set of UAV mapping and safety patrol data processing algo rithm:the metro tunnel edge extraction algorithm Metro protected area edge extraction algorithm and sur face point height difference calculation algorithm.The development of highly automated data processing sys tem automatic quantitative analysis of surface elevation changes in Metro protection areas progress of adja cent projects etc.help form the three-dimensional coordinate visualization data hence a certain reference value for the structural deformation analysis of Metro tunnels.