| 基于机载LiDAR点云数据构建复杂山区高精度DEM方法研究 |
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| 引用本文： | 龚明杰.基于机载LiDAR点云数据构建复杂山区高精度DEM方法研究[J].测绘与空间地理信息,2022,45(1):198-199. |
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| 作者姓名： | 龚明杰 |
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| 作者单位： | 江门市国土测绘大队,广东江门 52900 |
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| 摘 要： | 为解决大范围复杂山区DEM生产困难的问题,提出利用机载LiDAR点云数据构建DEM。本文对机载LiDAR数据处理流程及其在复杂山区的具体应用进行分析,主要利用LiDAR数据处理软件对点云数据进行内业DEM生产并编辑最终得到符合项目要求的数字高程模型数据,结果证明该方法可行。
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| 关 键 词： | 机载LIDAR 点云 DEM 坐标系 中误差 |
Research on High Accuracy DEM Construction in Complex Mountainous Area Based on Airborne LiDAR Point Cloud Data |
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| GONG Mingjie.Research on High Accuracy DEM Construction in Complex Mountainous Area Based on Airborne LiDAR Point Cloud Data[J].Geomatics & Spatial Information Technology,2022,45(1):198-199. |
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| Authors: | GONG Mingjie |
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| Institution: | (Jiangmen Land Surveying and Mapping Brigade,Jiangmen 529000,China) |
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| Abstract: | In order to solve the difficulty of DEM production in a large range of complex mountain areas,this paper proposes to construct DEM based on airborne LiDAR point cloud data.This paper analyzes the process of airborne LiDAR data processing and its application in complex mountain areas,and mainly uses LiDAR data processing software to produce indoor DEM from point cloud data and edit it to obtain the digital elevation model data that meets the project requirements.The results show that this method can improve the DEM production efficiency and reduce the cost. |
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| Keywords: | airborne LiDAR point cloud DEM coordinate system RMSE |
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