Author

Yunhe Zhang

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#machine learning Preprint Oct 2026

Relative Transitions, Not Absolute Destinations: A Transfer-and-Ground Framework for Target-Trajectory-Free Human Mobility Generation

Individual mobility trajectories support urban analysis and location-based services, yet most trajectory generators require observations from their deployment city. This assumption excludes precisely the cities where trajectories are unavailable even though points of interest (POIs) and their attributes can be obtained...

Yi-Di Wang, Yun-He Zhang, Bang-Chao Deng et al. · 0 citations

Preprint Aug 2026

Reconstruction-Shift Discrimination via Mask-Guided Latent Diffusion for Medical Anomaly Detection

Discriminative mask-guided diffusion is proposed, a medical anomaly detection framework that complements residual-based localization with reconstruction-shift discrimination and achieves the best overall performance among the state-of-the-art baseline methods.

Yibo Wan, Jinyu Cai, Yun-He Zhang et al. · 0 citations