ODI-Bench: Can MLLMs Understand Immersive Omnidirectional Environments? - Yang, Liu; Duan, Huiyu; Tao, Ran; Cheng, Juntao; Wu, Sijing; Li, Yunhao; Liu, jing; Min, Xiongkuo; Zhai, Guangtao (International Conference on Learning Representations, 2026)