机载激光雷达数据的建筑物三维模型重建3D building model reconstruction from airborne LiDAR data
肖勇,王成,习晓环,王方建
摘要(Abstract)：
机载激光雷达技术可以快速获取建筑物高精度高密度的三维空间信息。文章提出一种建筑物三维模型重建方法,该方法利用栅格数据使用RANSAC算法提取建筑边界上的长线段,采用规则化策略获取建筑轮廓;在模型生成阶段,基于原始点云和屋顶拓扑关系约束,获取屋顶间的交线和交点,并结合已得到的建筑边界、屋顶间交线和交点获取三维建筑模型。实验结果表明,该方法思路清晰、科学可行且适用性强,提取的建筑边界和模型垂直精度高。
关键词(KeyWords)： 机载LiDAR;三维建筑模型;RANSAC;边界规则化
基金项目(Foundation): 国家自然科学基金面上项目(41171267);; 中科院百人计划专项
作者(Author): 肖勇,王成,习晓环,王方建
DOI: 10.16251/j.cnki.1009-2307.2014.11.018
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