EchoMotion: Unified Human Video and Motion Generation via Dual-Modality Diffusion Transformer - Yang, Yuxiao; Sheng, Hualian; Cai, Sijia; Lin, Jing; Wang, Jiahao; Deng, Bing; Lu, Junzhe; Wang, Haoqian; Ye, Jieping (International Conference on Learning Representations, 2026)