Search Results for author: Hao Mei

Found 7 papers, 6 papers with code

Uncertainty-aware Traffic Prediction under Missing Data

1 code implementation13 Sep 2023 Hao Mei, Junxian Li, Zhiming Liang, Guanjie Zheng, Bin Shi, Hua Wei

However, most studies assume the prediction locations have complete or at least partial historical records and cannot be extended to non-historical recorded locations.

Decision Making Traffic Prediction +1

Prompt to Transfer: Sim-to-Real Transfer for Traffic Signal Control with Prompt Learning

1 code implementation28 Aug 2023 Longchao Da, Minquan Gao, Hao Mei, Hua Wei

In this work, we leverage LLMs to understand and profile the system dynamics by a prompt-based grounded action transformation.

Reinforcement Learning (RL)

Uncertainty-aware Grounded Action Transformation towards Sim-to-Real Transfer for Traffic Signal Control

1 code implementation23 Jul 2023 Longchao Da, Hao Mei, Romir Sharma, Hua Wei

Traffic signal control (TSC) is a complex and important task that affects the daily lives of millions of people.

Reinforcement Learning (RL)

RegExplainer: Generating Explanations for Graph Neural Networks in Regression Task

no code implementations15 Jul 2023 Jiaxing Zhang, Zhuomin Chen, Hao Mei, Dongsheng Luo, Hua Wei

Graph regression is a fundamental task and has received increasing attention in a wide range of graph learning tasks.

Contrastive Learning Graph Learning +2

Reinforcement Learning Approaches for Traffic Signal Control under Missing Data

1 code implementation21 Apr 2023 Hao Mei, Junxian Li, Bin Shi, Hua Wei

In this work, we aim to control the traffic signals in a real-world setting, where some of the intersections in the road network are not installed with sensors and thus with no direct observations around them.

reinforcement-learning Reinforcement Learning (RL)

LibSignal: An Open Library for Traffic Signal Control

2 code implementations19 Nov 2022 Hao Mei, Xiaoliang Lei, Longchao Da, Bin Shi, Hua Wei

This paper introduces a library for cross-simulator comparison of reinforcement learning models in traffic signal control tasks.

reinforcement-learning Reinforcement Learning (RL)

Modeling Network-level Traffic Flow Transitions on Sparse Data

1 code implementation13 Aug 2022 Xiaoliang Lei, Hao Mei, Bin Shi, Hua Wei

DTIGNN models the traffic system as a dynamic graph influenced by traffic signals, learns the transition models grounded by fundamental transition equations from transportation, and predicts future traffic states with imputation in the process.

Decision Making Imputation

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