no code implementations • 2 Apr 2024 • Xingmin Wang, ZiHao Wang, Zachary Jerome, Henry X. Liu
This paper studies the traffic state estimation problem at signalized intersections with low penetration rate vehicle trajectory data.
no code implementations • 22 Jan 2024 • Rusheng Zhang, Depu Meng, Shengyin Shen, Tinghan Wang, Tai Karir, Michael Maile, Henry X. Liu
This paper introduces a comprehensive evaluation methodology specifically designed to assess the performance of roadside perception systems.
no code implementations • 8 Oct 2023 • Rusheng Zhang, Depu Meng, Shengyin Shen, Zhengxia Zou, Houqiang Li, Henry X. Liu
As vehicular communication and networking technologies continue to advance, infrastructure-based roadside perception emerges as a pivotal tool for connected automated vehicle (CAV) applications.
no code implementations • 29 Jun 2023 • Rusheng Zhang, Depu Meng, Lance Bassett, Shengyin Shen, Zhengxia Zou, Henry X. Liu
Our approach was rigorously tested at two key intersections in Michigan, USA: the Mcity intersection and the State St./Ellsworth Rd roundabout.
1 code implementation • 1 Mar 2023 • Depu Meng, Owen Sayer, Rusheng Zhang, Shengyin Shen, Houqiang Li, Henry X. Liu
With the traffic conflict data collected, we discover that failure to yield to circulating vehicles when entering the roundabout is the largest contributing reason for traffic conflicts.
no code implementations • 1 Dec 2022 • Jingxuan Yang, Haowei Sun, Honglin He, Yi Zhang, Shuo Feng, Henry X. Liu
One prevailing way is to design testing scenarios using prior knowledge of CAVs, test CAVs in these scenarios, and then evaluate their safety performances.
no code implementations • 19 Jul 2022 • Jingxuan Yang, Honglin He, Yi Zhang, Shuo Feng, Henry X. Liu
To validate the proposed method, the high-dimensional overtaking scenarios are investigated, and the results demonstrate that our approach can further accelerate the evaluation process by about 30 times.
no code implementations • 20 Jun 2022 • Zhengxia Zou, Rusheng Zhang, Shengyin Shen, Gaurav Pandey, Punarjay Chakravarty, Armin Parchami, Henry X. Liu
We propose a novel and pragmatic framework for traffic scene perception with roadside cameras.
no code implementations • 6 May 2021 • Xintao Yan, Yan Zhao, Henry X. Liu
Moreover, for the low coverage problem, which cannot be handled by most existing methods, the proposed model can also achieve high accuracy.
no code implementations • 6 Feb 2021 • Haowei Sun, Shuo Feng, Xintao Yan, Henry X. Liu
In this paper, a unified framework is proposed to generate corner cases for the decision-making systems.
no code implementations • 4 Feb 2021 • Lin Liu, Shuo Feng, Yiheng Feng, Xichan Zhu, Henry X. Liu
However, pre-determined BV trajectories can not react to the AV's maneuvers, and deterministic models are different from real human drivers due to the lack of stochastic components and errors.
1 code implementation • 8 Jan 2021 • Xintao Yan, Shuo Feng, Haowei Sun, Henry X. Liu
Microscopic traffic simulation provides a controllable, repeatable, and efficient testing environment for autonomous vehicles (AVs).
no code implementations • 8 Mar 2020 • Shuo Feng, Yiheng Feng, Haowei Sun, Yi Zhang, Henry X. Liu
A customized testing scenario library for a specific CAV model is generated through an adaptive process.
no code implementations • 9 May 2019 • Shuo Feng, Yiheng Feng, Haowei Sun, Shao Bao, Yi Zhang, Henry X. Liu
In Part I of this study, a general methodology for TSLG is proposed, and theoretical properties are investigated regarding the accuracy and efficiency of CAV evaluation.