基于坡度自适应的机载LiDAR分割算法Slope adaptive based segmentation for airborne LiDAR
梁鑫,杨晓云
摘要(Abstract):
本文提出了一种适用于离散LiDAR数据的区域生长算法:将离散点云数据重采样为规则格网,通过坡度自适应区域生长法分割规则格网,获得不同的面片;建立各个分割面片之间的拓扑关系,将分割面片划分为粗差、植被、建筑物和地面;检测原始激光脚点到DTM的距离,判断是否为地面点。文中采用ISPRS提供的测试数据验证了算法分割的有效性。
关键词(KeyWords): 激光雷达测距;自适应坡度;区域生长;分割;分类
基金项目(Foundation): 广西教育厅科研项目(200911LX161);; 广西工学院科学科研项目(院科自1074019);; 新世纪广西高等教育教学改革工程“十一五”立项项目(2009C063)
作者(Author): 梁鑫,杨晓云
DOI: 10.16251/j.cnki.1009-2307.2013.02.004
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