基于点云曲线辨识的卫星激光数据预处理算法  

DATA PRE-PROCESSING ALGORITHM OF SATELLITE LASER RANGING BASED ON CURVE RECOGNITION FROM POINTS CLOUD

作　　者：刘雁雨[1,2] 吴晓平[1] 高皓 刘晓刚[1] 

机构地区：[1]解放军信息工程大学测绘学院 [2]解放军61081部队

出　　处：《大地测量与地球动力学》2011年第1期105-108,112,共5页Journal of Geodesy and Geodynamics

基　　金：国家自然科学基金(40774031);卫星导航与定位教育部重点实验室(B类)开放基金(GRC-2009010)

摘　　要：针对卫星激光数据处理算法这一难题,分析了COMPASS系统GEO卫星激光观测数据的质量,讨论了反求工程和计算机视觉中的曲线识别与激光观测数据预处理的异同,提出了基于点云曲线辨识的卫星激光数据预处理算法。该算法将卫星激光观测数据预处理视为有序带噪声的空间曲线重建问题,利用COMPASS系统多圈GEO卫星实测数据进行验证。结果表明:该方法与常用算法一致率在85%以上,能够实现激光观测数据的自动处理与满足导航系统的需要。In order to solve the pre-processing algorithm of SLR data,the SLR data from the COMPASS quality is analyzed.The difference between curve recognition in the fields of reverse engineering with computer vision and pre-processing algorithm of SLR data is discussed,and then a new algorithm of satellite laser ranging data pre-processing based on curve recognition from points cloud is proposed.This algorithm treats SLR data processing as a problem of curve recognition with organized points.The algorithm is checked by using the SLR data from the COMPASS.The results show that the rate of accordance between results of the new proposed method and the screen displaying method can reach 85% or higher.Accordingly,the new method can be used for SLR processing data automatically and meet the need in building the navigation system.

关 键 词：卫星激光测距 点云曲线辨识 数据预处理算法 COMPASS 屏幕处理 

分 类 号：P207[天文地球—测绘科学与技术]