no code implementations • 23 Apr 2024 • Yuanshao Zhu, James Jianqiao Yu, Xiangyu Zhao, Qidong Liu, Yongchao Ye, Wei Chen, Zijian Zhang, Xuetao Wei, Yuxuan Liang
Generating trajectory data is among promising solutions to addressing privacy concerns, collection costs, and proprietary restrictions usually associated with human mobility analyses.
no code implementations • 24 Oct 2023 • Yuanshao Zhu, Yongchao Ye, Xiangyu Zhao, James J. Q. Yu
Our approach focuses on enhancing the quality of the input data for traffic prediction models, which is a critical yet often overlooked aspect in the field.
no code implementations • 28 Aug 2023 • Adnan Zeb, Yongchao Ye, Shiyao Zhang, James J. Q. Yu
Firstly, most approaches are primarily designed to model the local shared patterns, which makes them insufficient to capture the specific patterns associated with each node globally.
1 code implementation • NeurIPS 2023 • Yuanshao Zhu, Yongchao Ye, Shiyao Zhang, Xiangyu Zhao, James J. Q. Yu
In this work, we propose a spatial-temporal diffusion probabilistic model for trajectory generation (DiffTraj).
no code implementations • 16 Mar 2023 • Ying Wu, Yongchao Ye, Adnan Zeb, James J. Q. Yu, Zheng Wang
We evaluated QuanTraffic by applying it to five representative DNN models for traffic forecasting across seven public datasets.