A novel method of DEM production based on airborne-LiDAR data

机译：基于机载LiDAR数据的DEM生产新方法

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Airborne LiDAR point cloud data is convenient and efficient, which is an important data source for DEM generation. Because the airborne LiDAR point cloud data is discrete, it is always an important research to work out how to generate DEM quickly and efficiently. This paper presents a DEM generation method based on mathematical morphology, and the method takes interpolation method to obtain the grid digital surface model (DSM), and then using morphological dilation and erosion operator to get the ground point to generate DEM. Experiments show that the method have better effect on the area whose ground change gentler.

机译：机载LiDAR点云数据既方便又高效，这是生成DEM的重要数据源。由于机载LiDAR点云数据是离散的，因此研究如何快速有效地生成DEM一直是一项重要的研究。本文提出了一种基于数学形态学的DEM生成方法，该方法采用插值法获得网格数字表面模型（DSM），然后利用形态学膨胀和侵蚀算子获得基点来生成DEM。实验表明，该方法对地面变化较缓和的地区效果较好。

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来源
《2014 IEEE Workshop on Electronics, Computer and Applications》|2014年|629-632|共4页
会议地点 Ottawa(CA)
作者
Xia Junli; Tong Chunya; He Kejia; Zhang Hongmei;
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作者单位

Shool of Electronic and Information Engineering, Ningbo University of Technology, Zhejiang, 315016, Chinac;

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原文格式 PDF
正文语种 eng
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关键词
Airborne LiDAR; DEM; DSM; mathematical morphology;

机译：机载LiDAR; DEM; DSM;数学形态学;;
入库时间 2022-08-26 13:55:19

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A novel method of DEM production based on airborne-LiDAR data

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