利用机载激光雷达数据在城市地区自动生成DTM

2012 4th International Conference on Intelligent Human-Machine Systems and Cybernetics Pub Date : 2012-08-26 DOI:10.1109/IHMSC.2012.52

Junhua Xiong, Yuan-min Fang, Baoxuan Jin, Zhenfeng Zhao

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引用次数: 3

摘要

提出了一种利用机载激光扫描技术自动生成数字地形模型的新方法。首先，生成规则网格，然后对每个规则网格上的点进行过滤。最后，改变网格的大小，并在新网格上反复过滤这些点。利用LiteMapper-5600在某城市的实测数据对该方法进行了评价。结果表明，该方法能有效去除市区大部分非地点，生成精度较高的DTM。

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Automated DTM Generation in Urban Areas with Airborne LiDAR Data

This paper proposes a new method for the automatic generation of a digital terrain model (DTM) from airborne laser scanning technique. First, generate regular grids, and then filter the points on each regular grid. Finally, change the size of grid and filter these points on the new grids repeatedly. The data measured by LiteMapper-5600 in a city is used to evaluate the method. The results show that this method can remove most of non-ground points effectively and generate DTM with the high-accuracy in urban areas.

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2012 4th International Conference on Intelligent Human-Machine Systems and Cybernetics

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