基于无人机倾斜摄影的1∶500地形图要素更新应用研究——以浙江松阳县为例

Application Research of 1∶500 Topographic Map Element Updating Based on UAV Tilt Photography:Taking Songyang Country of Zhejiang Province as an Example

为解决大比例尺地形图快速更新的难题,本文采用无人机倾斜摄影的方法进行大比例尺地形图快速更新。实例表明,采用无人机倾斜摄影制作实景三维模型,基于实景三维模型可快速完成1∶500地形图的更新工作。通过精度检测及统计,验证了利用无人机倾斜摄影更新1∶500地形图可以满足地形图的精度要求,为同类项目的开展提供了参考。

In order to solve the problem of rapid updating of large-scale topographic map,this paper uses the method of UAV tilt photography for rapid updating of large-scale topographic map.Through an example,the UAV oblique photography is used to produce real 3D model,and the 1∶500 topographic map is quickly updated based on the real 3D model.Through accuracy detection and statistics,it is verified that the 1∶500 topographic map updated by UAV tilt photography can meet the accuracy requirements of topographic map,which provides a reference for the development of similar projects.