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Medical image restoration (MedIR) aims to recover high-quality medical images from their low-quality counterparts. Recent advancements in MedIR have focused on All-in-One models capable of simultaneously addressing multiple different MedIR…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Zhiwen Yang , Jiaju Zhang , Yang Yi , Jian Liang , Bingzheng Wei , Yan Xu

Image restoration aims to recover a high-quality clean image from its degraded version. Recent progress in image restoration has demonstrated the effectiveness of All-in-One image restoration models in addressing various unknown…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Jin Cao , Yi Cao , Li Pang , Deyu Meng , Xiangyong Cao

While vision transformers achieve significant breakthroughs in various image restoration (IR) tasks, it is still challenging to efficiently scale them across multiple types of degradations and resolutions. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yawei Li , Bin Ren , Jingyun Liang , Rakesh Ranjan , Mengyuan Liu , Nicu Sebe , Ming-Hsuan Yang , Luca Benini

We present AutoDIR, an innovative all-in-one image restoration system incorporating latent diffusion. AutoDIR excels in its ability to automatically identify and restore images suffering from a range of unknown degradations. AutoDIR offers…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Yitong Jiang , Zhaoyang Zhang , Tianfan Xue , Jinwei Gu

Image restoration under diverse degradations remains challenging for unified all-in-one frameworks due to feature interference and insufficient expert specialization. We propose SLER-IR, a spherical layer-wise expert routing framework that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Peng Shurui , Xin Lin , Shi Luo , Jincen Ou , Dizhe Zhang , Lu Qi , Truong Nguyen , Chao Ren

Image reconstruction and image synthesis are important for handling incomplete multimodal imaging data, but existing methods require various task-specific models, complicating training and deployment workflows. We introduce Any2all, a…

Image and Video Processing · Electrical Eng. & Systems 2026-02-10 Weijie Gan , Xucheng Wang , Tongyao Wang , Wenshang Wang , Chunwei Ying , Yuyang Hu , Yasheng Chen , Hongyu An , Ulugbek S. Kamilov

Zero-shot image restoration provides a flexible way to handle diverse degradations without task-specific training. However, existing methods typically rely on stacked layers or pre-trained features to enhance degradation expression, while…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 XiaoWan Hu , Jing Yang , HeNan Liu , HuaQiu Li , Mai Xu

Image restoration is a long-standing low-level vision problem that aims to restore high-quality images from low-quality images (e.g., downscaled, noisy and compressed images). While state-of-the-art image restoration methods are based on…

Image and Video Processing · Electrical Eng. & Systems 2021-08-24 Jingyun Liang , Jiezhang Cao , Guolei Sun , Kai Zhang , Luc Van Gool , Radu Timofte

Parallel magnetic resonance imaging has served as an effective and widely adopted technique for accelerating scans. The advent of sparse sampling offers aggressive acceleration, allowing flexible sampling and better reconstruction.…

Medical Physics · Physics 2019-09-09 Xinlin Zhang , Di Guo , Yiman Huang , Ying Chen , Liansheng Wang , Feng Huang , Xiaobo Qu

Recent studies have witnessed significant advances in image restoration foundation models driven by improvements in the scale and quality of pre-training data. In this work, we find that the data mixture proportions from different…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Xiang Chen , Jinshan Pan , Jiangxin Dong , Jian Yang , Jinhui Tang

Visual autoregressive (VAR) models have recently emerged as a promising alternative for image generation, offering stable training, non-iterative inference, and high-fidelity synthesis through next-scale prediction. This encourages the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Cencen Liu , Dongyang Zhang , Wen Yin , Jielei Wang , Tianyu Li , Ji Guo , Wenbo Jiang , Guoqing Wang , Guoming Lu

Multi-task image restoration has gained significant interest due to its inherent versatility and efficiency compared to its single-task counterpart. However, performance decline is observed with an increase in the number of tasks, primarily…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Xin Lin , Jingtong Yue , Kelvin C. K. Chan , Lu Qi , Chao Ren , Jinshan Pan , Ming-Hsuan Yang

All-in-one image restoration aims to recover clear images from various degradation types and levels with a unified model. Nonetheless, the significant variations among degradation types present challenges for training a universal model,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xiangpeng Tian , Xiangyu Liao , Xiao Liu , Meng Li , Chao Ren

Image restoration has traditionally required training specialized models on thousands of paired examples per degradation type. We challenge this paradigm by demonstrating that powerful pre-trained text-conditioned image editing models can…

Image and Video Processing · Electrical Eng. & Systems 2026-01-21 M. Akın Yılmaz , Ahmet Bilican , Burak Can Biner , A. Murat Tekalp

Existing underwater image restoration (UIR) methods generally only handle color distortion or jointly address color and haze issues, but they often overlook the more complex degradations that can occur in underwater scenes. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Xu Zhang , Huan Zhang , Guoli Wang , Qian Zhang , Lefei Zhang , Bo Du

Existing All-in-One image restoration methods often fail to perceive degradation types and severity levels simultaneously, overlooking the importance of fine-grained quality perception. Moreover, these methods often utilize highly…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Xu Zhang , Jiaqi Ma , Guoli Wang , Qian Zhang , Huan Zhang , Lefei Zhang

All-in-one image restoration aims to handle diverse degradations (e.g., noise, blur, adverse weather) within a unified framework, yet existing methods increasingly rely on complex architectures (e.g., Mixture-of-Experts, diffusion models)…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Wenlong Jiao , Heyang Lee , Ping Wang , Pengfei Zhu , Qinghua Hu , Dongwei Ren

Existing methods have demonstrated effective performance on a single degradation type. In practical applications, however, the degradation is often unknown, and the mismatch between the model and the degradation will result in a severe…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Mingde Yao , Ruikang Xu , Yuanshen Guan , Jie Huang , Zhiwei Xiong

Image restoration~(IR), as a fundamental multimedia data processing task, has a significant impact on downstream visual applications. In recent years, researchers have focused on developing general-purpose IR models capable of handling…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Yubin Gu , Yuan Meng , Kaihang Zheng , Xiaoshuai Sun , Jiayi Ji , Weijian Ruan , Liujuan Cao , Rongrong Ji

Recent advances in All-in-One (AiO) RGB image restoration have demonstrated the effectiveness of prompt learning in handling multiple degradations within a single model. However, extending these approaches to hyperspectral image (HSI)…

Image and Video Processing · Electrical Eng. & Systems 2025-03-12 Chia-Ming Lee , Ching-Heng Cheng , Yu-Fan Lin , Yi-Ching Cheng , Wo-Ting Liao , Fu-En Yang , Yu-Chiang Frank Wang , Chih-Chung Hsu