Author

Haoran Bai

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Preprint Sep 2026

FastVR: Efficient Streaming Video Restoration with One-Step Diffusion

Diffusion-based video restoration recovers realistic details, but its practical deployment is limited by two efficiency bottlenecks: costly VAE encoding and decoding, and the quadratic cost of full self-attention in diffusion transformers (DiTs). This paper presents FastVR, a streaming video restoration framework built...

Xiao-Xu Chen, Qin Yang, Hao-Ran Bai et al. · 0 citations

Preprint Aug 2026

GraftSR: Grafting Authentic Textures for Real-World Image Super-Resolution via Identical-Instance Guidance

Diffusion-based real-world image super-resolution (SR) achieves impressive perceptual quality but inherently suffers from severe texture hallucination. To overcome this limitation, we propose GraftSR, a texture-reference-guided generative SR framework that leverages reference images of the identical instance to anchor...

Qiao Yu, Haoran Bai, Zongyao He et al. · 0 citations