林祥国,张继贤

• 1:中国测绘科学研究院摄影测量与遥感研究所

摘要(Abstract)：

本文通过分析机载LiDAR系统获取的激光数据的多回波特性,阐述了多回波信息对地物类型信息的揭示作用,并将多回波特性用于减少参与滤波的激光脚点数量。实验证明,本文提出的滤波方案,可以预先剔除掉大部分的植被激光脚点和部分的建筑物激光脚点,既减少了参与滤波的数据量,又可以改善滤波算法对建筑物和植被的滤除效果。

关键词(KeyWords)： 机载LiDAR;多回波;滤波;不规则三角网渐进加密

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41001280);; 中国博士后基金(2010047038);; 对地观测技术国家测绘局重点实验室开放基金(K201003)

作者(Author): 林祥国,张继贤

DOI: 10.16251/j.cnki.1009-2307.2013.02.060

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