Author

Song-Yuan Sui

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#artificial intelligence Preprint Oct 2026

Do More Modalities Always Help? A Geometric Perspective on Missing-Modality Robustness

Missing modality remains a longstanding challenge in multimodal learning. Existing methods typically address this issue through modality recovery or adaptive strategies. However, they overlook models'internal cross-modal dependencies formed during multimodal training, which later impair robustness. We systematically ch...

Song-Yuan Sui, Zhen Tan, Mohan Zhang et al. · 0 citations

#machine learning Preprint Aug 2026

CAST: Context- and Anomaly Structure-Conditioned Time Series Anomaly Generation

CAST is proposed, a Context- and Anomaly Structure-conditioned Time series anomaly generation framework with principled two-stage pretraining and finetuning strategy that consistently outperforms state-of-the-art anomaly generation methods in terms of both generation fidelity and downstream task utility.

H. Zhang, Jie Peng, Song-Yuan Sui et al. · 0 citations