用激光雷达实现实时人体追踪,提升机器人在人群中自主避障能力
Autonomous Navigation in Dynamic Human Environments with an Embedded 2D LiDAR-based Person Tracker
- 嵌入式实时追踪流水线,结合激光雷达检测与多目标跟踪
- 在三个新数据集上达到85.45%的MOTA,20Hz实时运行于Jetson Xavier NX
- 适用于四足机器人等移动平台,适合需安全人机共处的场景
在自主移动机器人快速发展的背景下,人机无缝交互越来越依赖自主决策。本文聚焦于机器人在动态人类环境中的导航挑战,提出一种嵌入式实时追踪流水线,集成于导航规划框架中,实现高效的人体追踪与避让。该方法基于先进的2D LiDAR人体检测网络和高效多目标跟踪器,分别处理检测、追踪与规划,体现各模块的可模块化与可迁移性。在配备270° 2D-LiDAR的四足机器人上,基于动作捕捉系统数据验证,最优配置在三个新录制数据集上达到平均85.45%的MOTA,且在NVIDIA Jetson Xavier NX嵌入式GPU平台上稳定实现实时运行(20 Hz)。此外,真实世界导航实验表明,精准人体追踪显著优化了路径规划,提升了碰撞规避能力。本工作推动更安全的人机共存,融合前沿人体检测与响应式规划,有效实现共享空间中的自主导航。
原文摘要 · Abstract (English)
In the rapidly evolving landscape of autonomous mobile robots, the emphasis on seamless human-robot interactions has shifted towards autonomous decision-making. This paper delves into the intricate challenges associated with robotic autonomy, focusing on navigation in dynamic environments shared with humans. It introduces an embedded real-time tracking pipeline, integrated into a navigation planning framework for effective person tracking and avoidance, adapting a state-of-the-art 2D LiDAR-based human detection network and an efficient multi-object tracker. By addressing the key components of detection, tracking, and planning separately, the proposed approach highlights the modularity and transferability of each component to other applications. Our tracking approach is validated on a quadruped robot equipped with 270° 2D-LiDAR against motion capture system data, with the preferred configuration achieving an average MOTA of 85.45% in three newly recorded datasets, while reliably running in real-time at 20 Hz on the NVIDIA Jetson Xavier NX embedded GPU-accelerated platform. Furthermore, the integrated tracking and avoidance system is evaluated in real-world navigation experiments, demonstrating how accurate person tracking benefits the planner in optimizing the generated trajectories, enhancing its collision avoidance capabilities. This paper contributes to safer human-robot cohabitation, blending recent advances in human detection with responsive planning to navigate shared spaces effectively and securely.
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