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This work is supported by National Natural Science Foundation of China, Science Fund for Creative Research Groups (52221005). Corresponding author: Jiawei Wang and Keqiang Li.Jianghong Dong, Chunying Yang, Mengchi Cai, Chaoyi Chen, Qing Xu, Jianqiang Wang and Keqiang Li are with the School of Vehicle and Mobility, Tsinghua University, Beijing 100084, China. (djh20@mails.tsinghua.edu.cn, ycyacademic@gmail.com, {caimengchi,chency2023, qingxu,wjqlws,likq}@tsinghua.edu.cn) Jiawei Wang was with the School of Vehicle and Mobility, Tsinghua University, Beijing 100084, China. He is now with the Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI 48109, USA. (jiawe@umich.edu)
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Generate realistic GPS trajectories across an entire nation with TrajFlow, a new flow-matching model that leapfrogs diffusion-based approaches in scale, diversity, and efficiency.
