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About this paper

Chen Rao, Guangyuan Li, Zehua Lan, Jiakai Sun, Junsheng Luan, Wei Xing, Lei Zhao, Huaizhong Lin and 2 more

Researchers at Zhejiang University and Zhejiang Gongshang University introduce VD-Diff, a framework integrating a Wavelet-Aware Dynamic Transformer with a Diffusion Model operating in a compact latent space. It achieves new state-of-the-art performance on video deblurring benchmarks, including 35.55 dB PSNR on GoPro, by effectively recovering high-frequency details and maintaining spatio-temporal consistency.

Key insights

  • Diffusion Models can be effectively leveraged to provide high-frequency prior information for video deblurring, successfully compensating for the detail-loss in regression-based approaches.
  • Applying Diffusion Models in a highly compact latent space, rather than pixel space, enables efficient high-quality generation with significantly fewer iterative steps, making them practical for video tasks.
  • A frequency-aware Transformer architecture, combined with bidirectional temporal propagation, is crucial for both robust low-frequency structure recovery and coherent spatio-temporal consistency in deblurred videos.

Summary by alphaXiv.

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