Vidarc: Embodied Video Diffusion Model for Closed-loop Control. - Yao Feng 002; Chendong Xiang; Xinyi Mao; Hengkai Tan; Zuyue Zhang; Shuhe Huang; Kaiwen Zheng 003; Haitian Liu; Hang Su 006; Jun Zhu 001 (CoRR, 2025)