改进的参数统计机载雷达点云滤波方法An improved parametric statistics filtering for airborne LiDAR point clouds
胡永杰;程朋根;陈晓勇;李荣;辛俊伟;
摘要(Abstract)：
针对基于高程的偏度参数统计的LiDAR数据滤波对地形起伏城区滤波适应性不强的弱点,文章对该方法进行了改进,提出基于二次曲面高程残差的偏度参数统计法的LiDAR数据滤波。实验结果表明改进的方法不仅延续了参数统计法无需阈值的优势,而且对城区滤波更具适应性、合理性和稳定性,能够明显提高滤波精度。
关键词(KeyWords)： LiDAR滤波;格网化;二次曲面;高程拟合残差;偏度系数
基金项目(Foundation): 国家自然科学基金资助项目(41161069);; 广西空间信息与测绘重点实验室资助课题(13-051-14-18,11-031-08-26);; 东华理工大学校长基金项目(DHXK201401)
作者(Authors): 胡永杰;程朋根;陈晓勇;李荣;辛俊伟;
DOI: 10.16251/j.cnki.1009-2307.2015.11.008
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