Sui, S., Tan, Z., Zhang, M., Khan, R. M. S., Hu, X., & Chen, T. (2026). Do More Modalities Always Help? A Geometric Perspective on Missing-Modality Robustness. https://omanscience.com/en/articles/do-more-modalities-always-help-a-geometric-perspective-on-missing-modality-robustness