| 基于已知特征平面的移动测量系统安置参数检校 |
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| 引用本文： | 张顺,张帆,李珂.基于已知特征平面的移动测量系统安置参数检校[J].北京测绘,2020(3):437-442. |
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| 作者姓名： | 张顺 张帆 李珂 |
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| 作者单位： | 山东科技大学测绘科学与工程学院 |
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| 摘 要： | 安置误差是影响移动测量系统激光点云精度的主要因素之一。当激光点云中存在特征平面时,安置误差会导致该平面与真实平面之间产生较大的偏差,如果存在多个空间上位置关系较好的特征平面,就能够全面反映出系统的安置误差。本文以此为依据,给出了一种基于已知特征平面的移动测量系统安置参数检校方法,并详细阐述了检校场的布设、数据获取及处理等内容。实验证明,该方法是一种简单、可靠的检校方法,具有较高的实用性。
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| 关 键 词： | 移动测量系统 安置误差 高斯-赫尔默特(Gauss-Helmert)模型 平面特征 检校 |
Known Planar Features-based Boresight Calibration of Mobile Mapping System |
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| ZHANG Shun,ZHANG Fan,LI Ke.Known Planar Features-based Boresight Calibration of Mobile Mapping System[J].Beijing Surveying and Mapping,2020(3):437-442. |
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| Authors: | ZHANG Shun ZHANG Fan LI Ke |
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| Institution: | (College of Geomatics, Shandong University of Science and Technology, Qingdao Shandong 266000, China) |
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| Abstract: | Bore-sight error is one of the main factors affecting the accuracy of laser point clouds by the mobile mapping system(MMS).When there is a planar feature in the laser point clouds,the bore-sight error will cause a large deviation between this plane and the real plane.If there are multiple planar features with good spatial positional relationship,the bore-sight error of MMS can be fully reflected.Based on this theory,this paper presents a calibration method for estimating the bore-sight error of MMS based on known planar features based,and the layout of calibration field,data acquisition and processing are described in detail.The experiment proves that the method is a simple and reliable method for calibration and has high practicability. |
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| Keywords: | mobile mapping system bore-sight error Gauss-Helmert model planar features calibration |
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