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地面三维激光扫描多视点云配准设站最佳次数的研究
引用本文:施贵刚,王峰,程效军,李巧丽.地面三维激光扫描多视点云配准设站最佳次数的研究[J].大连海事大学学报(自然科学版),2008,34(3).
作者姓名:施贵刚  王峰  程效军  李巧丽
作者单位:同济大学土木工程学院,同济大学土木工程学院,同济大学土木工程学院,同济大学土木工程学院 上海200092,安徽建筑工业学院土木系,合肥230601,上海200092,上海200092,上海200092
基金项目:国防科工委国防科技工业技术基础科研项目
摘    要:为探讨扫描仪设站次数的变化给点云配准误差积累造成的影响,研究了点云配准误差传播特性,给出点云配准误差传播的模型.对实验采集的点云数据,计算出不同设站次数下点云配准的最终中误差,通过比较中误差来确定多视点云配准设站的最佳次数为4.设站最佳次数的确定对于减小配准误差传递、提高作业效率具有重要的意义.

关 键 词:多视点云配准  误差传播模型  最佳设站次数

Optimal station position number for terrestrial laser scanning multi-view point cloud registration
SHI Gui-gang,WANG Feng,CHENG Xiao-jun,LI Qiao-li.Optimal station position number for terrestrial laser scanning multi-view point cloud registration[J].Journal of Dalian Maritime University,2008,34(3).
Authors:SHI Gui-gang  WANG Feng  CHENG Xiao-jun  LI Qiao-li
Abstract:To investigate the effect of point cloud registration error accumulation caused by the station number change of terrestrial laser scanner,the error propagation properties of point cloud registration were studied and the model of point cloud error propagation was given.According to the model,the final square error of point cloud registration could be calculated under different station numbers.The optimal station number is four by comparing the square errors of different station numbers.Determination of the optimal station number has important significance in respect of registration error decrease and working efficiency improvement.
Keywords:multi-view point cloud registration  error propagation model  optimal station number
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