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Coarse-to-Fine Multi-Resolution Diffusion Models for Trajectory Generation in Urban Systems
Ray0202, Author2, Author3, Author4, Author5
trajectory generationurban mobilitymulti-resolutiondiffusion models
2608.14570
Builder Relevance
1h ago80%
Abstract
The paper presents a novel multi-resolution diffusion framework for generating synthetic trajectories that captures complex spatial-temporal dependencies.
Reality Card
Core Claim
MR-Traj outperforms existing methods in modeling fine-resolution mobility patterns while maintaining global distribution similarity.
Method / Result
MR-Traj generates more diverse trajectories, reducing trajectory linkage risk under a seed-guided data release setting.
Limitations
The availability of large-scale public trajectory data remains limited, which may affect reproducibility.
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