HiDream-I1: A High-Efficient Image Generative Foundation Model with Sparse Diffusion Transformer - Cai, Qi; Chen, Jingwen; Chen, Yang; Li, Yehao; Long, Fuchen; Pan, Yingwei; Qiu, Zhaofan; Zhang, Yiheng; Gao, Fengbin; Xu, Peihan; Wang, Yimeng; Yu, Kai; et al. (2025)