Author

Hao Tian

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#machine learning Preprint Sep 2026

Monitoring Urban Traffic Dynamics at Fine Spatiotemporal Resolution Using Distributed Acoustic Sensing and Deep Learning

This study develops a deep learning-empowered analytical framework that converts raw ground vibration waveforms into spatiotemporal representations, detects vehicle trajectory, and infers traffic states from aggregated traffic volume and speed.

Hao Tian, Heng Cai, Xiao-Wei Chen et al. · 0 citations

#machine learning Preprint Aug 2026

BEACON: Behavioral and Semantic Enrichment of AlphaEarth Embeddings through Tri-Modal Contrastive Learning

BEACON is proposed, a tri-modal contrastive learning framework that aligns three complementary views of urban space: physical representations from AE embeddings, semantic representations from point-of-interest (POI) text, and human behavioral representations from hourly POI visitation, while keeping the deployed repres...

Hao Tian, Heng Cai, Yi-Fan Yang · 0 citations