基于可移动角点的航空和地面LiDAR数据配准Registration of airborne and terrestrial LiDAR data with removable corner points
伍阳,程亮,王丽妍,童礼华,陈焱明,李满春
摘要(Abstract):
针对航空和地面LiDAR数据配准中点云数据的共轭特征较少且精度差异较大的问题,提出了一种基于可移动角点的航空和地面LiDAR数据配准方法:从航空和地面LiDAR数据中分别提取相应的建筑物角点,采用6参数模型对角点进行初始配准;以地面角点为参照,利用迭代移动方法对误差较大的航空角点进行修正;最后根据移动后的航空和地面角点计算获得点云配准关系。实验结果表明,该文方法可取得较好的点云配准效果,角点修正后能有效提升点云配准精度,适合于含有角点特征的航空和地面LiDAR数据配准。
关键词(KeyWords): 可移动角点;航空LiDAR数据;地面LiDAR数据;点云配准
基金项目(Foundation): 国家自然科学基金项目(41371017,41501456)
作者(Author): 伍阳,程亮,王丽妍,童礼华,陈焱明,李满春
DOI: 10.16251/j.cnki.1009-2307.2016.07.029
参考文献(References):
- [1]宋袁龙,胡洋.一种机载激光雷达道路点云的半自动提取方法[J].测绘科学,2015,40(5):92-94.
- [2]BREMER M,SASS O.Combining airborne and terrestrial laser scanning for quantifying erosion and deposition by a debris flow event[J].Geomorphology,2012,138(1):49-60.
- [3]TEO T A,HUANG S H.Surface-based registration of airborne and terrestrial mobile LiDAR point clouds[J].Remote Sensing,2014,6(12):12686-12707.
- [4]HANSEN W,GROSS H,THOENNESSEN U.Linebased registration of terrestrial and airborne LiDAR data,The International Archives of the Photogrammetry[J].Remote Sensing and Spatial Information Sciences,2008,XXXVII(B3a):161-166.
- [5]CHENG L,WU Y,TONG L,et al.Hierarchical registration method for integration of airborne and vehicle LiDAR data[J].Remote Sensing,2015(7):13921-13944.
- [6]RUIZ A,KORNUS W,TALAYA J,et al.Terrain modeling in an extremely steep mountain:A combination of airborne and terrestrial lidar[C]//Proceedings of 20th International Society for Photogrammetry and Remote Sensing(ISPRS)Congress on Geo-imagery Bridging Continents.Istanbul,Turkey.2004,1223:281-284.
- [7]JUNG S E,KWAK D A,PARK T,et al.Estimating crown variables of individual trees using airborne and terrestrial laser scanners[J].Remote Sensing,2011,3(11):2346-2363.
- [8]KEDZIERSKI M,FRYSKOWSKA A.Terrestrial and aerial laser scanning data integration using wavelet analysis for the purpose of 3D building modeling[J].Sensors,2014,14(7):12070-12092.
- [9]HOHENTHAL J,ALHO P,HYYPPJ,et al.Laser scanning applications in fluvial studies[J].Progress in Physical Geography.2011,35(6):782-809.
- [10]FRUH C,ZAKHOR A.Constructing 3Dcity models by merging aerial and ground views[J].Computer Graphics and Applications,IEEE,2003,23(6):52-61.
- [11]JAW J J,CHUANG T Y.Feature-based registration of terrestrial and aerial LiDAR point clouds towards complete 3D scene[C]//Proceedings of the 29th Asian Conference on Remote Sensing.Colombo,Sri Lanka.2008,1014:1295-1300.
- [12]BESL P J,MCKAY N D.A method for registration of3-D shapes[J].IEEE Transactions on Pattern Analysis and Machine Intelligence.1992,14(2):239-256.
- [13]CHENG L,ZHAO W,HAN P,et al.Building region derivation from LiDAR data using a reversed iterative mathematic morphological algorithm[J].Optics Communications,2013,286:244-250.
- [14]SAMPATH A,SHAN J.Building boundary tracing and regularization from airborne LiDAR point clouds[J].Photogrammetric Engineering&Remote Sensing,2007,73(7):805-812.
- [15]童礼华,程亮,李满春,等.地面LiDAR数据中建筑轮廓和角点提取[J].中国图象图形学报,2013,18(7):876-883.
- [16]王金强,方源敏,邓得标.基于同名控制点的三维激光点云配准[J].科学技术与工程,2012,20(1):16-18.