结合无人机载LiDAR点云法向量的K-means++聚类精简

李沛婷, 赵庆展, 田文忠, 马永建

Point cloud simplification method combining K-means++ clustering with UAV LiDAR point cloud normal vectors

Peiting LI, Qingzhan ZHAO, Wenzhong TIAN, Yongjian MA

表4 聚类后点云个数和强度误差统计

Tab.4 Statistics of point cloud number and intensity error after clustering

类别 聚类后的 点云个数 点云精简 率/% 点云回波强度误差 最小误差 最大误差 簇1 11 506 81.389 437 787 簇2 9 045 85.369 0 961 簇3 11 231 81.833 0 87 簇4 5 616 90.916 677 2 534 簇5 7 234 88.300 437 612 簇6 6 426 89.606 524 2 469 簇7 3 690 94.031 1 224 1 551 簇8 7 074 88.557 852 918