高精采集系统激光标定的评测方法

doi:10.13474/j.cnki.11-2246.2023.0026

摘要/Abstract

摘要： 常用的激光标定评价方法是在检校场用同名特征点的距离误差衡量标定质量,选点的误差对高精度激光的标定评测不可忽略。本文提出了利用同名面评测激光的标定精度的方法,用控制点和静态激光建设精度较高的面检校场作为真值,从待评测激光点云中提取同名面,统计被评测激光的同名面和真值面之间的误差,评价激光的标定精度。该激光标定精度评测方法已经应用于高德高精采集车,并投产两年多,点云资料矢量化出的高精地图要素中相对精度优于10cm的占比达到了98%。

关键词: 激光标定, 移动测量系统, 高精度地图, 精度评测, 同名面

Abstract: The commonly used laser calibration evaluation method is to use the distance error of the correspondence points in calibration field. The error in the selection process has a great impact on the evaluation result. It cannot be ignored in high-precision laser calibration. This paper designs the use of correspondence surfaces to evaluate the calibration of the laser, using the control points and the static laser construction calibration field as the true value, extracts the correspondence surfaces from the laser point cloud to be evaluated.The error between the two correspondence surfaces is used to evaluate the calibration accuracy of the laser. The laser calibration accuracy evaluation solution has been applied to the AutoNavi high-precision acquisition system, and has been put into production for more than 2 years. The relative accuracy of 98% features made from laser cloud reached 10 cm.

Key words: laser calibration, mobile mapping system, high-precision map, precision evaluation, correspondence surfaces

中图分类号:

P237

孙丽. 高精采集系统激光标定的评测方法[J]. 测绘通报, 2023, 0(1): 154-157,178.

SUN Li. A laser calibration evaluation method of high-precision map acquisition system[J]. Bulletin of Surveying and Mapping, 2023, 0(1): 154-157,178.

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