Step-Video-TI2V Technical Report: A State-of-the-Art Text-Driven Image-to-Video Generation Model - Huang, Haoyang; Ma, Guoqing; Duan, Nan; Chen, Xing; Wan, Changyi; Ming, Ranchen; Wang, Tianyu; Wang, Bo; Lu, Zhiying; Li, Aojie; Zeng, Xianfang; Zhang, Xinhao; et al. (2025)