Journal
2021 32ND IEEE INTELLIGENT VEHICLES SYMPOSIUM (IV)
Volume -, Issue -, Pages 1073-1080Publisher
IEEE
DOI: 10.1109/IV48863.2021.9575880
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The survey systematically summarizes current literature on applying reinforcement learning to autonomous vehicle motion planning and control. The traditional pipeline approach consists of hand-crafted modules, while the emerging end-to-end approach offers better performance but faces challenges with expert data and generalization. Deep RL algorithms in autonomous driving still face challenges, with future research directions aimed at addressing them.
In this survey, we systematically summarize the current literature on studies that apply reinforcement learning (RL) to the motion planning and control of autonomous vehicles. Many existing contributions can be attributed to the pipeline approach, which consists of many hand-crafted modules, each with a functionality selected for the ease of human interpretation. However, this approach does not automatically guarantee maximal performance due to the lack of a system-level optimization. Therefore, this paper also presents a growing trend of work that falls into the end-to-end approach, which typically offers better performance and smaller system scales. However, their performance also suffers from the lack of expert data and generalization issues. Finally, the remaining challenges applying deep RL algorithms on autonomous driving are summarized, and future research directions are also presented to tackle these challenges.
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