无人机低空倾斜摄影测量在地籍测量中的应用

Application of Low Altitude Tilt Photogrammetry of UAV in Cadastral Survey

无人机倾斜摄影技术利用无人机低空多位镜头摄影来获取高清立体的影像数据,可自动生成三维地理信息模型,实现快速获取地理信息。针对测绘行业的不同需求,它同时具备高效率、低成本、获取数据精确、操作简单灵活且侧面信息可用等诸多优势。本文通过项目实际经验,分析了无人机低空倾斜摄影测量技术在农村地籍调查测量中的应用效果,通过调节测绘内、外业的协同工作,实现了原本繁重的外业工作向简单内业工作的转化,大大降低了测绘人员的外业劳动强度。对比传统测绘方式,该方法大大提高了外业效率,具有广阔的实际应用和推广前景。

The emergence of the technology of unmanned aerial vehicle(UAV)oblique photography is a major breakthrough in the surveying and mapping industry.In this technology,low-altitude multi-lens photography by UAV is used to obtain high-definition and three-dimensional image data.With this technology,three-dimensional model on geographic information can be automatically generated to achieve rapid access to geographic information.Specific to various requirements in the surveying and mapping industry,this technology has many advantages such as high efficiency,low cost,accurate data acquisition,simple and flexible operation and availability of side information,etc.By adjusting the coordination between interior and field work of surveying and mapping,the transformation from heavy field work to simple interior work is realized,which greatly reduces the labor intensity of field work for surveying and mapping personnel.In this paper,the practical application effect of the technology of UAV low-altitude oblique photography was analyzed through practical experience from projects.Compared with the traditional surveying and mapping method,this technology greatly improves the efficiency of field work and has a broad prospect of practical application and promotion.