1 code implementation • 25 Mar 2024 • Hao Shao, Shengju Qian, Han Xiao, Guanglu Song, Zhuofan Zong, Letian Wang, Yu Liu, Hongsheng Li
This paper presents Visual CoT, a novel pipeline that leverages the reasoning capabilities of multi-modal large language models (MLLMs) by incorporating visual Chain-of-Thought (CoT) reasoning.
1 code implementation • 18 Mar 2024 • Yang Zhou, Hao Shao, Letian Wang, Steven L. Waslander, Hongsheng Li, Yu Liu
Context information, such as road maps and surrounding agents' states, provides crucial geometric and semantic information for motion behavior prediction.
1 code implementation • 12 Dec 2023 • Hao Shao, Yuxuan Hu, Letian Wang, Steven L. Waslander, Yu Liu, Hongsheng Li
On the other hand, previous autonomous driving methods tend to rely on limited-format inputs (e. g. sensor data and navigation waypoints), restricting the vehicle's ability to understand language information and interact with humans.
no code implementations • CVPR 2023 • Hao Shao, Letian Wang, RuoBing Chen, Steven L. Waslander, Hongsheng Li, Yu Liu
The large-scale deployment of autonomous vehicles is yet to come, and one of the major remaining challenges lies in urban dense traffic scenarios.
Ranked #1 on Autonomous Driving on CARLA Leaderboard
1 code implementation • 8 May 2023 • Letian Wang, Jie Liu, Hao Shao, Wenshuo Wang, RuoBing Chen, Yu Liu, Steven L. Waslander
Inspired by this, we propose ASAP-RL, an efficient reinforcement learning algorithm for autonomous driving that simultaneously leverages motion skills and expert priors.
1 code implementation • 28 Jul 2022 • Hao Shao, Letian Wang, RuoBing Chen, Hongsheng Li, Yu Liu
Large-scale deployment of autonomous vehicles has been continually delayed due to safety concerns.
Ranked #2 on Autonomous Driving on CARLA Leaderboard
no code implementations • 10 Feb 2022 • Letian Wang, Yeping Hu, Liting Sun, Wei Zhan, Masayoshi Tomizuka, Changliu Liu
By mimicking humans' cognition model and semantic understanding during driving, we propose HATN, a hierarchical framework to generate high-quality, transferable, and adaptable predictions for driving behaviors in multi-agent dense-traffic environments.
no code implementations • 9 Dec 2021 • Letian Wang, Yeping Hu, Changliu Liu
With the feedback of the observed trajectory, the algorithm is applied to neural-network-based models to improve the performance of driving behavior predictions across different human subjects and scenarios.
no code implementations • 28 Oct 2020 • Letian Wang, Liting Sun, Masayoshi Tomizuka, Wei Zhan
It allows the AVs to infer the characteristics of other road users online and generate behaviors optimizing not only their own rewards, but also their courtesy to others, and their confidence regarding the prediction uncertainties.