MARS: An Instance-aware, Modular and Realistic Simulator for Autonomous Driving

• URL: http://arxiv.org/abs/2307.15058v1
• Date: Thu, 27 Jul 2023 17:59:52 GMT
• Title: MARS: An Instance-aware, Modular and Realistic Simulator for Autonomous Driving
• Authors: Zirui Wu, Tianyu Liu, Liyi Luo, Zhide Zhong, Jianteng Chen, Hongmin Xiao, Chao Hou, Haozhe Lou, Yuantao Chen, Runyi Yang, Yuxin Huang, Xiaoyu Ye, Zike Yan, Yongliang Shi, Yiyi Liao, Hao Zhao
• Abstract summary: We propose an autonomous driving simulator based upon neural radiance fields (NeRFs) Our simulator models the foreground instances and background environments separately with independent networks. Our simulator set new state-of-the-art photo-realism results given the best module selection.
• Score: 13.571775151180923
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Nowadays, autonomous cars can drive smoothly in ordinary cases, and it is widely recognized that realistic sensor simulation will play a critical role in solving remaining corner cases by simulating them. To this end, we propose an autonomous driving simulator based upon neural radiance fields (NeRFs). Compared with existing works, ours has three notable features: (1) Instance-aware. Our simulator models the foreground instances and background environments separately with independent networks so that the static (e.g., size and appearance) and dynamic (e.g., trajectory) properties of instances can be controlled separately. (2) Modular. Our simulator allows flexible switching between different modern NeRF-related backbones, sampling strategies, input modalities, etc. We expect this modular design to boost academic progress and industrial deployment of NeRF-based autonomous driving simulation. (3) Realistic. Our simulator set new state-of-the-art photo-realism results given the best module selection. Our simulator will be open-sourced while most of our counterparts are not. Project page: https://open-air-sun.github.io/mars/.

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