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A Robust Method for Determination of Registration Sphere in Terrestrial Laser Scanner
Author(s): 
Pages: 42-45,49
Year: Issue:  10
Journal: Geotechnical Investigation & Surveying

Keyword:  地面激光扫描 点云 标靶球 M-估计 稳健性;
Abstract: 针对存在粗差或异常数据点时,最小二乘定位方法会产生定位错误的情况,本文提出了基于M-估计的稳健标靶球定位方法。通过M-估计剔除或减弱球体数据中异常点对参数估计的影响,获取稳健的标靶球球心坐标。利用仿真数据与真实数据进行验证,结果表明该法能克服异常值的影响,提高球体定位的准确度,具有稳健性。
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