OmniTraj aligns four trajectory modalities (raw path, topology, road segments, regions) in a shared embedding space, enabling flexible condition-based retrieval that outperforms similarity-only baselines on Chengdu and Xi'an data.
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Learning Generalized and Flexible Trajectory Models from Omni-Semantic Supervision
OmniTraj aligns four trajectory modalities (raw path, topology, road segments, regions) in a shared embedding space, enabling flexible condition-based retrieval that outperforms similarity-only baselines on Chengdu and Xi'an data.