Learning a Decision Module by Imitating Driver’s Control Behaviors

The Conference on Robot Learning (CoRL), 2020

Junning Huang*,  Sirui Xie*,  Jiankai Sun*, Qiurui Ma, Chunxiao Liu, Dahua Lin, Bolei Zhou
The Chinese Univsersity of Hong Kong, Technische Universität Darmstadt, University of California, Los Angeles, SenseTime Research, The Hong Kong University of Science and Technology
Autonomous driving systems have a pipeline of perception, decision, planning, and control. The decision module processes information from the perception module and directs the execution of downstream planning and control modules. On the other hand, the recent success of deep learning suggests that this pipeline could be replaced by end-to-end neural control policies, however, the safety cannot be well guaranteed for the data-driven neural networks. In this work, we propose a hybrid framework to learn neural decisions in the classical modular pipeline through end-to-end imitation learning. This hybrid framework can preserve the merits of the classical pipeline such as the strict enforcement of physical and logical constraints while learning complex driving decisions from data. To circumvent the ambiguous annotation of human driving decisions, our method learns high-level driving decisions by imitating low-level control behaviors. We show in the simulation experiments that our modular driving agent can generalize its driving decision and control to various complex scenarios where the rule-based programs fail. It can also generate smoother and safer driving trajectories than end-to-end neural policies.
author={Huang, Junning and Xie, Sirui and Sun, Jiankai and Ma, Qiurui and Liu, Chunxiao and Lin, Dahua and Zhou, Bolei},
title={Learning a Decision Module by Imitating Driver’s Control Behaviors},
booktitle = {Proceedings of the Conference on Robot Learning (CoRL) 2020},
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