Search Results for author: Henry X. Liu

Found 14 papers, 2 papers with code

Evaluating Roadside Perception for Autonomous Vehicles: Insights from Field Testing

no code implementations22 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.

Autonomous Vehicles

MSight: An Edge-Cloud Infrastructure-based Perception System for Connected Automated Vehicles

no code implementations8 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.

Trajectory Prediction

Robust Roadside Perception: an Automated Data Synthesis Pipeline Minimizing Human Annotation

no code implementations29 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.

Autonomous Driving Generative Adversarial Network

ROCO: A Roundabout Traffic Conflict Dataset

1 code implementation1 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.

Traffic Accident Detection

Adaptive Safety Evaluation for Connected and Automated Vehicles with Sparse Control Variates

no code implementations1 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.

Adaptive Testing for Connected and Automated Vehicles with Sparse Control Variates in Overtaking Scenarios

no code implementations19 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.

regression

A probabilistic model for missing traffic volume reconstruction based on data fusion

no code implementations6 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.

Traffic Signal Control

A Learning-based Stochastic Driving Model for Autonomous Vehicle Testing

no code implementations4 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.

Autonomous Vehicles quantile regression

Distributionally Consistent Simulation of Naturalistic Driving Environment for Autonomous Vehicle Testing

1 code implementation8 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).

Autonomous Vehicles

Testing Scenario Library Generation for Connected and Automated Vehicles, Part II: Case Studies

no code implementations9 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.

Reinforcement Learning

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