Enhance-A-Video: Better Generated Video for Free

• URL: http://arxiv.org/abs/2502.07508v2
• Date: Thu, 13 Feb 2025 15:28:13 GMT
• Title: Enhance-A-Video: Better Generated Video for Free
• Authors: Yang Luo, Xuanlei Zhao, Mengzhao Chen, Kaipeng Zhang, Wenqi Shao, Kai Wang, Zhangyang Wang, Yang You,
• Abstract summary: We introduce a training-free approach to enhance the coherence and quality of DiT-based generated videos. Our approach can be easily applied to most DiT-based video generation frameworks without any retraining or fine-tuning.
• Score: 57.620595159855064
• License:
• Abstract: DiT-based video generation has achieved remarkable results, but research into enhancing existing models remains relatively unexplored. In this work, we introduce a training-free approach to enhance the coherence and quality of DiT-based generated videos, named Enhance-A-Video. The core idea is enhancing the cross-frame correlations based on non-diagonal temporal attention distributions. Thanks to its simple design, our approach can be easily applied to most DiT-based video generation frameworks without any retraining or fine-tuning. Across various DiT-based video generation models, our approach demonstrates promising improvements in both temporal consistency and visual quality. We hope this research can inspire future explorations in video generation enhancement.

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