arXiv Machine Learning By Alessandro Canevaro, Julian Schmidt, Hang Yu, Ye Jin, Sajad Marvi, Georg Martius, Julian Jordan

DriveMLP: When Training Strategy Outperforms Model Complexity in Autonomous Driving

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The paper introduces DriveMLP, a lightweight MLP policy for autonomous driving that is trained using an Expert‑Guided RL (EGRL) framework. EGRL leverages reinforcement learning solely as an optimization tool, guided by a trajectory‑distance reward derived from logged expert data, and the study shows that the training strategy itself yields significant performance gains over model complexity. DriveMLP achieves an 86.51 score on the nuPlan Val14 Reactive benchmark, surpassing the previous best IL planner by 3.2 points while offering more than 15× faster inference.

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