Light-X: Generative 4D Video Rendering with Camera and Illumination Control - Liu, Tianqi; Chen, Zhaoxi; Huang, Zihao; Xu, Shaocong; Zhang, Saining; Ye, Chongjie; Li, Bohan; Cao, Zhiguo; Li, Wei; Zhao, Hao; Liu, Ziwei (International Conference on Learning Representations, 2026)