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Diffusion models, such as Stable Diffusion (SD), offer the ability to generate high-resolution images with diverse features, but they come at a significant computational and memory cost. In classifier-free guided diffusion models, prolonged…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Pareesa Ameneh Golnari

All-in-One Image Restoration (AiOIR) faces the fundamental challenge in reconciling conflicting optimization objectives across heterogeneous degradations. Existing methods are often constrained by coarse-grained control mechanisms or fixed…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Luwei Tu , Jiawei Wu , Xing Luo , Zhi Jin

Image Restoration (IR) methods based on a pre-trained diffusion model have demonstrated state-of-the-art performance. However, they have two fundamental limitations: 1) they often assume that the degradation operator is completely known and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Hamadi Chihaoui , Abdelhak Lemkhenter , Paolo Favaro

The use of latent diffusion models (LDMs) such as Stable Diffusion has significantly improved the perceptual quality of All-in-One image Restoration (AiOR) methods, while also enhancing their generalization capabilities. However, these…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Sudarshan Rajagopalan , Kartik Narayan , Vishal M. Patel

As a fundamental imaging task, All-in-One Image Restoration (AiOIR) aims to achieve image restoration caused by multiple degradation patterns via a single model with unified parameters. Although existing AiOIR approaches obtain promising…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Junyu Fan , Chuanlin Liao , Yi Lin

Image restoration under adverse weather conditions is a critical task for many vision-based applications. Recent all-in-one frameworks that handle multiple weather degradations within a unified model have shown potential. However, the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Jiamei Xiong , Xuefeng Yan , Yongzhen Wang , Wei Zhao , Xiao-Ping Zhang , Mingqiang Wei

Restoring multiple degradations efficiently via just one model has become increasingly significant and impactful, especially with the proliferation of mobile devices. Traditional solutions typically involve training dedicated models per…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Bin Ren , Eduard Zamfir , Zongwei Wu , Yawei Li , Yidi Li , Danda Pani Paudel , Radu Timofte , Ming-Hsuan Yang , Luc Van Gool , Nicu Sebe

Diffusion models generate high-quality images but require dozens of forward passes. We introduce Distribution Matching Distillation (DMD), a procedure to transform a diffusion model into a one-step image generator with minimal impact on…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Tianwei Yin , Michaël Gharbi , Richard Zhang , Eli Shechtman , Fredo Durand , William T. Freeman , Taesung Park

Diffusion models have demonstrated excellent performance for real-world image super-resolution (Real-ISR), albeit at high computational costs. Most existing methods are trying to derive one-step diffusion models from multi-step counterparts…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Jianze Li , Jiezhang Cao , Zichen Zou , Xiongfei Su , Xin Yuan , Yulun Zhang , Yong Guo , Xiaokang Yang

Diffusion models in image Super-Resolution (SR) treat all image regions uniformly, which risks compromising the overall image quality by potentially introducing artifacts during denoising of less-complex regions. To address this, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Brian B. Moser , Stanislav Frolov , Federico Raue , Sebastian Palacio , Andreas Dengel

In this paper, we propose the first diffusion-based all-in-one video restoration method that utilizes the power of a pre-trained Stable Diffusion and a fine-tuned ControlNet. Our method can restore various types of video degradation with a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yizhou Li , Zihua Liu , Yusuke Monno , Masatoshi Okutomi

Image restoration is essential for enhancing degraded images across computer vision tasks. However, most existing methods address only a single type of degradation (e.g., blur, noise, or haze) at a time, limiting their real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Debabrata Mandal , Soumitri Chattopadhyay , Guansen Tong , Praneeth Chakravarthula

Image restoration tasks like deblurring, denoising, and dehazing usually need distinct models for each degradation type, restricting their generalization in real-world scenarios with mixed or unknown degradations. In this work, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Wenyang Luo , Haina Qin , Zewen Chen , Libin Wang , Dandan Zheng , Yuming Li , Yufan Liu , Bing Li , Weiming Hu

Removing various degradations from damaged documents greatly benefits digitization, downstream document analysis, and readability. Previous methods often treat each restoration task independently with dedicated models, leading to a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Fangmin Zhao , Weichao Zeng , Zhenhang Li , Dongbao Yang , Binbin Li , Xiaojun Bi , Yu Zhou

While diffusion-based image restoration (IR) methods have achieved remarkable success, they are still limited by the low inference speed attributed to the necessity of executing hundreds or even thousands of sampling steps. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Zongsheng Yue , Jianyi Wang , Chen Change Loy

We present MoE-DiffIR, an innovative universal compressed image restoration (CIR) method with task-customized diffusion priors. This intends to handle two pivotal challenges in the existing CIR methods: (i) lacking adaptability and…

Image and Video Processing · Electrical Eng. & Systems 2024-07-16 Yulin Ren , Xin Li , Bingchen Li , Xingrui Wang , Mengxi Guo , Shijie Zhao , Li Zhang , Zhibo Chen

Complex degradations like noise, blur, and low resolution are typical challenges in real world image fusion tasks, limiting the performance and practicality of existing methods. End to end neural network based approaches are generally…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yu Shi , Yu Liu , Zhong-Cheng Wu , Juan Cheng , Huafeng Li , Xun Chen

All-in-One Image Restoration (AiOIR) aims to recover high-quality images from diverse degradations within a unified framework. However, existing methods often fail to explicitly model degradation types and struggle to adapt their…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Shengkai Hu , Jiaqi Ma , Jun Wan , Wenwen Min , Yongcheng Jing , Lefei Zhang , Dacheng Tao

All-in-One Image Restoration (AiOIR) tasks often involve diverse degradation that require robust and versatile strategies. However, most existing approaches typically lack explicit frequency modeling and rely on fixed or heuristic…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Jiaqi Ma , Shengkai Hu , Xu Zhang , Jun Wan , Jiaxing Huang , Lefei Zhang , Salman Khan

Removing degradation from document images not only improves their visual quality and readability, but also enhances the performance of numerous automated document analysis and recognition tasks. However, existing regression-based methods…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Zongyuan Yang , Baolin Liu , Yongping Xiong , Lan Yi , Guibin Wu , Xiaojun Tang , Ziqi Liu , Junjie Zhou , Xing Zhang