Papers › Example-guided learning of stochastic human driving policies using deep reinforcement learning

Example-guided learning of stochastic human driving policies using deep reinforcement learning

23 Dec 2022Neural Computing and Applications 2022 12archive 2025-07-28

Ran Emuna, Rotem Duffney, Avinoam Borowsky, Armin Biess

Deep reinforcement learning has been successfully applied to the generation of goal-directed behavior in artificial agents. However, existing algorithms are often not designed to reproduce human-like behavior, which may be desired in many environments, such as human–robot collaborations, social robotics and autonomous vehicles. Here we introduce a model-free and easy-to-implement deep reinforcement learning approach to mimic the stochastic behavior of a human expert by learning distributions of task variables from examples. As tractable use-cases, we study static and dynamic obstacle avoidance tasks for an autonomous vehicle on a highway road in simulation (Unity). Our control algorithm receives a feedback signal from two sources: a deterministic (handcrafted) part encoding basic task goals and a stochastic (data-driven) part that incorporates human expert knowledge. Gaussian processes are used to model human state distributions and to assess the similarity between machine and human behavior. Using this generic approach, we demonstrate that the learning agent acquires human-like driving skills and can generalize to new roads and obstacle distributions unseen during training.

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Autonomous Vehicles Deep Reinforcement Learning Gaussian Processes Reinforcement Learning Reinforcement Learning (RL)Unity reinforcement-learning

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