4K4DGen: Panoramic 4D Generation at 4K Resolution - Li, Renjie; Pan, Panwang; Yang, Bangbang; Xu, Dejia; Zhou, Shijie; xuanyang, zhang; Li, Zeming; Kadambi, Achuta; Wang, Zhangyang; Tu, Zhengzhong; Fan, Zhiwen (International Conference on Learning Representations, 2025)