| 一种改进的坡度机载LiDAR数据滤波算法 |
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| 引用本文： | 唐德瑾,王楠,张振华,赵国青.一种改进的坡度机载LiDAR数据滤波算法[J].测绘信息与工程,2010,35(3):15-16. |
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| 作者姓名： | 唐德瑾 王楠 张振华 赵国青 |
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| 作者单位： | [1]61135部队,北京市昌平区5805信箱102211 [2]61646部队,北京市小营东路2号100192 [3]66444部队,北京市石府路4号100042 |
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| 摘 要： | 改进了LiDAR点云数据处理滤波算法的判断条件,运用四种坡度阈值判断数据点的地形信息,实现了改善滤波效果的目的。
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| 关 键 词： | LiDAR DEM 坡度滤波 高差阈值 |
AN IMPROVED SLOPE FIL TERlNG ALGORITHM FOR AIRBORNE LiDAR DATA |
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| TANG Dejin,WANG Nan,ZHANG Zhenhua,ZHAO Guoqing.AN IMPROVED SLOPE FIL TERlNG ALGORITHM FOR AIRBORNE LiDAR DATA[J].Journal of Geomatics,2010,35(3):15-16. |
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| Authors: | TANG Dejin WANG Nan ZHANG Zhenhua ZHAO Guoqing |
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| Institution: | 1 Troop 61135,P.O.Box 5805,Beijing 102211,China;2 Troup 61646,2 East Xiaoyin Road,Beijing 100192,China;3 Troup 66444,4 Shifu Road,Beijing 100042,China) |
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| Abstract: | We studied the principle of gradient filter and made use of four gradient threshold to determine the terrain information in the process of the LiDAR points for improving the filtering algorithm.The results are more in line with the true terrain information and generate more accurate data of the DEM. |
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| Keywords: | LiDAR DEM gradient filter elevation threshold |
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