输电线路电力走廊LiDAR数据快速提取方法

On the Method of Rapid Extraction for LiDAR Data of Power Transmission Line Corridors

本文根据500kV超高压输电线路走廊实际特点,应用LiDAR点云数据处理技术,分析LiDAR点云数据中500kV超高压输电线路走廊的主要特征,提出基于高程信息的递进滤波算法,实现了500kV超高压输电线路走廊的快速高效提取。验证实验表明,算法不仅能快速滤除地面点和植被点,实现500kV超高压输电线路走廊提取,而且分类精度高达99.8%,对于后续500kV超高压输电线路走廊三维重建及电力设备测量应用提供了较好的数据源。

According to the practical features of 500kV ultrahigh voltage power line corridors,by applying LiDAR point cloud data processing technology,this paper analyzes the main features of 500 kV ultrahigh voltage power line corridors in LiDAR point cloud data and proposes the recursive filtering algorithm based on elevation information,realizing the fast extraction of 500kV ultrahigh voltage power line corridors.The results of the experiment indicate that the algorithm can not only quickly filter out ground points and vegetation points,realizing the extraction of 500kV ultrahigh voltage power line corridors,but also has a high classification accuracy up to 99.8%,which provides better data sources for the subsequent applications of three-dimensional reconstruction and the measurement of electric equipment of 500kV ultrahigh voltage power line corridors.