Automated driving systems need to behave as human-like as possible, especially in highly interactive scenarios. In this way, the behavior can be better interpreted and predicted by other traffic participants, in order to prevent misunderstanding, and in the worst case, accidents. With this purpose, more and more human-driven trajectories in real traffic are recorded, making it possible to learn human-like driving styles. In this paper, we extend our previous behavior cloning approach, which has been successfully applied to highway driving, to generate high-level decisions for unsignalized intersections that are challenging during urban driving. Unlike many other approaches that utilize neural networks, either for end-to-end behavior cloning or for approximating Q-functions in reinforcement learning, where their decisions are intractable to understand, the output decisions of our approach are interpretable and easy to track. Meanwhile, the driving decisions are provably safe under reasonable assumptions by generalizing the Responsibility-Sensitive Safety (RSS) concept to complex intersections. Simulation evaluations show that our learned policy produces a more human-like behavior, and meanwhile, balances driving efficiency, comfort, perceived safety, and politeness better.


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    Titel :

    Learning Safe and Human-Like High-Level Decisions for Unsignalized Intersections From Naturalistic Human Driving Trajectories


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.11.2023


    Format / Umfang :

    2282929 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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