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针对目前LiDAR的精度标定环节,本文分析了激光雷达的测距原理和影响测距精度的因素后,提出了对测距精度影响较大的激光器二极管电流强度、扫描半角、扫描频率、扫描距离以及灰度值的自身误差检测方法,展示了交通标志的特殊点云图像,并以此组织了完整的检校工作,验证了该检校方法的可行性,提出了可供参考的检测注意事项,为在测量结果中加入误差校正提供了理论依据。
Aiming at the accuracy calibration of LiDAR, this paper analyzes the principle of distance measurement and the factors that affect the accuracy of laser ranging. The current intensity, half-width of scanning, scanning frequency, scanning distance, Gray value of the self-error detection method to display the traffic sign of the special point cloud image, and to organize a complete calibration work to verify the feasibility of the calibration method proposed for the detection of considerations for consideration, Which provides a theoretical basis for adding error correction to the measurement results.