条纹管成像激光雷达时间维和空间维的标定方法

IF 2.5 4区综合性期刊 Q2 CHEMISTRY, MULTIDISCIPLINARY

Applied Sciences-Basel Pub Date : 2023-09-06 DOI:10.3390/app131810042

Zhaodong Chen, Fangfang Shao, Zhigang Fan, Xing-shun Wang, Chaowei Dong, Zhi-wei Dong, R. Fan, Deying Chen

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引用次数: 0

摘要

由于条纹管成像激光雷达(STIL)特殊的工作系统，在条纹图像上时间和空间维度是耦合在一起的。这种耦合可能导致三维点云的测量误差，并且可能使测量结果比其他类型的激光雷达更复杂。本文提出了一种生成时间校准阵列和角度校准阵列的方法，将条纹偏移量分离为时间维度和空间维度。通过这两个阵列，可以对条纹图像上任意位置信号的时间和空间信息进行索引。在飞机上进行了验证实验，采用该方法将三维点云的距离误差从0.41 m提高到0.27 m。因此，采用所提出的标定方法可以提高STIL生成点云的精度。

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A Calibration Method for Time Dimension and Space Dimension of Streak Tube Imaging Lidar

Owing to the special working systems of streak tube imaging lidar (STIL), the time and space dimensions are coupled together on the streak images. This coupling can cause measurement errors in 3D point clouds and can make measurement results more complicated to calibrate than other kinds of lidars. This paper presents a method to generate a time calibration array and an angle calibration array to separate the offset of the streak into time dimension and space dimension. The time and space information of the signal at any position on the streak image can be indexed through these two arrays. A validation experiment on aircraft was carried out, and the range error of the 3D point cloud was improved from 0.41 m to 0.27 m using the proposed calibration method. Thus, using the proposed calibration method can improve the accuracy of the point cloud produced by STIL.

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来源期刊

Applied Sciences-Basel CHEMISTRY, MULTIDISCIPLINARYMATERIALS SCIE-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.30

自引率

11.10%

发文量

10882

期刊介绍： Applied Sciences (ISSN 2076-3417) provides an advanced forum on all aspects of applied natural sciences. It publishes reviews, research papers and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.