Author

Yunfeng Wu

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Preprint Oct 2026

Backend-Agnostic Sparse Attention for Fast High-Resolution Visual Generation

Diffusion Transformers (DiTs) have achieved strong performance in image and video generation, but the quadratic complexity of full attention makes high-resolution generation computationally expensive. Window attention offers an efficient alternative, yet existing methods face a practical trade-off: partitioned window a...

Liao Ma, Jia-Yi Song, Yun-Feng Wu et al. · 0 citations

Preprint Aug 2026

Bend the Basics: Degradation-Aware Deformable Tokenization for All-in-One Image Restoration

FIT employs a lightweight Degradation Encoder to predict a global degradation vector and a spatial degradation map from local degradation severity, which jointly condition the patch embedding and unembedding through adaptive deformation, and introduces a task-token dropout strategy that regularizes task conditioning du...

Zi-Hao He, Yunfeng Wu, Xinchao Wang et al. · 0 citations