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基于惯性测量单元的激光雷达点云融合方法 被引量:19

Multi-frame Fusion Method for Point Cloud of LiDAR Based on IMU
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摘要 针对16线激光雷达环境感知过程中,点云数据稀疏,导致对目标检测和识别困难的问题,提出了一种基于惯性测量单元(InertialMeasurementUnit,IMU)的激光雷达点云融合方法。建立了激光点云数据的融合模型,有效利用历史点云数据与历史检测结果,获得较多的环境信息,提高了目标物的检测精度。利用16线激光雷达与自研的IMU传感器进行实验验证,结果表明能够实现激光雷达点云的融合,进一步提高激光雷达对目标物的检测能力,并且以较低的硬件成本,实现更加高级的环境感知能力,对无人驾驶等技术的研究具有实际应用价值。 Aiming at the problem that in the process of using 16-line laser radar to realize environment perception, the point cloud data is sparse, which leads to the difficulty of target detection and tracking, a new method of LiDAR point cloud fusion based on inertial measurement unit (IMU) is proposed. The method establishes a multi-frame LiDAR point cloud data fusion model which can effectively use historical point cloud data and detection results to obtain more environmental information, and improve the detection accuracy and tracking ability of target objects. 16-line laser radar and the self-developed IMU sensor are used to conduct the tests. The results demonstrate that the proposed method can achieve the multi-frame fusion of the laser radar point cloud, and the detection and tracking ability of the laser radar can be further improved. And more advanced environment awareness is achieved with lower hardware costs, which shows that the method has practical application value for the study of driverless technology.
作者 张艳国 李擎 Zhang Yanguo;Li Qing(Beijing Information Science Technology University Beijing Key Laboratory of High Dynamic Navigation Technology,Beijing 100192,China)
出处 《系统仿真学报》 CAS CSCD 北大核心 2018年第11期4334-4339,共6页 Journal of System Simulation
基金 国家自然科学基金(61471046)
关键词 IMU(Inertial MEASUREMENT Unit) 激光雷达 点云融合 目标物检测 IMU (Inertial Measurement Unit) LiDAR point cloud fusion target detection
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