2 papers
cs.CV2025
Bidirectional Sparse Attention for Faster Video Diffusion Training
Chenlu Zhan, Wen Li, Chuyu Shen +3
Video diffusion Transformer (DiT) models excel in generative quality but hit major computational bottlenecks when producing high-resolution, long-duration videos. The quadratic com…
cs.CV2025
Reg-DPO: SFT-Regularized Direct Preference Optimization with GT-Pair for Improving Video Generation
Jie Du, Xinyu Gong, Qingshan Tan +7
Recent studies have identified Direct Preference Optimization (DPO) as an efficient and reward-free approach to improving video generation quality. However, existing methods largel…