Jiaxiang Cheng

Reward Lightning: Fast Video Generation via Homologous Preference Distillation

Jiaxiang Cheng, Bing Ma, Xuhua Ren, Kai Yu, Peng Zhang, Tianxiang Zheng, et al.

Achieving simultaneous preference alignment and distillation acceleration in video diffusion models remains an open challenge. Existing methods optimize the two objectives over mismatched representation spaces, where improving one objective often compromises the other. To overcom…Read more