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基于四叉树的LiDAR点云数据组织研究 被引量:4

Study of the Organization of LiDAR Points Cloud Data Based on Quadtree
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摘要 针对传统的数据读取方法不能满足LiDAR点云数据量大的特点,基于Windows的内存映射机制,研究LiDAR点云数据组织,利用四叉树对LiDAR点云数据进行索引管理,并在LiDAR点云的三维场景绘制中对点云数据进行剪裁,减轻CPU的负担,提高其运算的效率。
出处 《测绘通报》 CSCD 北大核心 2008年第11期21-23,共3页 Bulletin of Surveying and Mapping
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