非重複を考慮した自己中心姿勢推定による接続自律システムの協調認識
Non-Overlap-Aware Egocentric Pose Estimation for Collaborative Perception in Connected Autonomy
マルチロボットチームで、通信帯域制約下でも重複しない視点を識別しながら自己中心姿勢推定を行う階層的学習手法NOPEを提案し、シミュレーションと実環境で有効性を示した。
詳しい要約
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著者: Hong Huang, Dongkuan Xu, Hao Zhang, Peng Gao
分類: cs.RO
原文アブストラクト
Egocentric pose estimation is a fundamental capability for multi-robot collaborative perception in connected autonomy, such as connected autonomous vehicles. During multi-robot operations, a robot needs to know the relative pose between itself and its teammates with respect to its own coordinates. However, different robots usually observe completely different views that contains similar objects, which leads to wrong pose estimation. In addition, it is unrealistic to allow robots to share their raw observations to detect overlap due to the limited communication bandwidth constraint. In this paper, we introduce a novel method for Non-Overlap-Aware Egocentric Pose Estimation (NOPE), which performs egocentric pose estimation in a multi-robot team while identifying the non-overlap views and satifying the communication bandwidth constraint. NOPE is built upon an unified hierarchical learning framework that integrates two levels of robot learning: (1) high-level deep graph matching for correspondence identification, which allows to identify if two views are overlapping or not, (2) low-level position-aware cross-attention graph learning for egocentric pose estimation. To evaluate NOPE, we conduct extensive experiments in both high-fidelity simulation and real-world scenarios. Experimental results have demonstrated that NOPE enables the novel capability for non-overlapping-aware egocentric pose estimation and achieves state-of-art performance compared with the existing methods. Our project page at https://hongh0.github.io/NOPE/.
