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This paper addresses the limitations of adverse weather image restoration approaches trained on synthetic data when applied to real-world scenarios. We formulate a semi-supervised learning framework employing vision-language models to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Jiaqi Xu , Mengyang Wu , Xiaowei Hu , Chi-Wing Fu , Qi Dou , Pheng-Ann Heng

Real-world weather conditions are intricate and often occur concurrently. However, most existing restoration approaches are limited in their applicability to specific weather conditions in training data and struggle to generalize to unseen…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Youngrae Kim , Younggeol Cho , Thanh-Tung Nguyen , Seunghoon Hong , Dongman Lee

Visual recognition under adverse conditions is a very important and challenging problem of high practical value, due to the ubiquitous existence of quality distortions during image acquisition, transmission, or storage. While deep neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Ding Liu , Bowen Cheng , Zhangyang Wang , Haichao Zhang , Thomas S. Huang

Restoring images captured under adverse weather conditions is a fundamental task for many computer vision applications. However, most existing weather restoration approaches are only capable of handling a specific type of degradation, which…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Ruoxi Zhu , Zhengzhong Tu , Jiaming Liu , Alan C. Bovik , Yibo Fan

In real-world applications, image degeneration caused by adverse weather is always complex and changes with different weather conditions from days and seasons. Systems in real-world environments constantly encounter adverse weather…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 De Cheng , Yanling Ji , Dong Gong , Yan Li , Nannan Wang , Junwei Han , Dingwen Zhang

Adverse conditions typically suffer from stochastic hybrid weather degradations (e.g., rainy and hazy night), while existing image restoration algorithms envisage that weather degradations occur independently, thus may fail to handle…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Ye-Cong Wan , Ming-Wen Shao , Yuan-Shuo Cheng , Yue-Xian Liu , Zhi-Yuan Bao

Adverse weather removal (AWR) in real-world images remains challenging due to heterogeneous and unseen degradations, while distortion-driven training often yields overly smooth results. We propose PVRF, a unified framework that integrates…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Wei Dong , Han Zhou , Terry Ji , Guanhua Zhao , Shahab Asoodeh , Yulun Zhang , Guangtao Zhai , Jun Chen , Xiaohong Liu

Adverse weather conditions such as haze, rain, and snow significantly degrade the quality of images and videos, posing serious challenges to intelligent transportation systems (ITS) that rely on visual input. These degradations affect…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Vijay M. Galshetwar , Praful Hambarde , Prashant W. Patil , Akshay Dudhane , Sachin Chaudhary

Autonomous vehicles rely heavily upon their perception subsystems to see the environment in which they operate. Unfortunately, the effect of variable weather conditions presents a significant challenge to object detection algorithms, and…

All-Weather Image Restoration (AWIR) under adverse weather conditions is a challenging task due to the presence of different types of degradations. Prior research in this domain relies on extensive training data but lacks the utilization of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Sudarshan Rajagopalan , Vishal M. Patel

Existing all-in-one image restoration approaches, which aim to handle multiple weather degradations within a single framework, are predominantly trained and evaluated using mixed single-weather synthetic datasets. However, these datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Qiyuan Guan , Qianfeng Yang , Xiang Chen , Tianyu Song , Guiyue Jin , Jiyu Jin

Real-world image de-weathering aims at removingvarious undesirable weather-related artifacts, e.g., rain, snow,and fog. To this end, acquiring ideal training pairs is crucial.Existing real-world datasets are typically constructed paired…

Graphics · Computer Science 2025-04-15 Heming Xu , Xiaohui Liu , Zhilu Zhang , Hongzhi Zhang , Xiaohe Wu , Wangmeng Zuo

In the realm of deploying Machine Learning-based Advanced Driver Assistance Systems (ML-ADAS) into real-world scenarios, adverse weather conditions pose a significant challenge. Conventional ML models trained on clear weather data falter…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Muhammad Zaeem Shahzad , Muhammad Abdullah Hanif , Muhammad Shafique

Real-world image de-weathering aims at removing various undesirable weather-related artifacts. Owing to the impossibility of capturing image pairs concurrently, existing real-world de-weathering datasets often exhibit inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Xiaohui Liu , Zhilu Zhang , Xiaohe Wu , Chaoyu Feng , Xiaotao Wang , Lei Lei , Wangmeng Zuo

Reliable visual perception under adverse weather conditions, such as rain, haze, snow, or a mixture of them, is desirable yet challenging for autonomous driving and outdoor robots. In this paper, we propose a unified Memory-Enhanced…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Qianyi Shao , Yuanfan Zhang , Renxiang Xiao , Liang Hu

Most image super-resolution (SR) methods are developed on synthetic low-resolution (LR) and high-resolution (HR) image pairs that are constructed by a predetermined operation, e.g., bicubic downsampling. As existing methods typically learn…

Image and Video Processing · Electrical Eng. & Systems 2021-09-09 Sanghyun Son , Jaeha Kim , Wei-Sheng Lai , Ming-Husan Yang , Kyoung Mu Lee

Image restoration under adverse weather conditions (e.g., rain, snow and haze) is a fundamental computer vision problem and has important indications for various downstream applications. Different from early methods that are specially…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Zhentao Tan , Yue Wu , Qiankun Liu , Qi Chu , Le Lu , Jieping Ye , Nenghai Yu

Videos captured under real-world adverse weather conditions typically suffer from uncertain hybrid weather artifacts with heterogeneous degradation distributions. However, existing algorithms only excel at specific single degradation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yecong Wan , Mingwen Shao , Yuanshuo Cheng , Jun Shu , Shuigen Wang

Restoring nighttime images affected by multiple adverse weather conditions is a practical yet under-explored research problem, as multiple weather conditions often coexist in the real world alongside various lighting effects at night. This…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Yuetong Liu , Yunqiu Xu , Yang Wei , Xiuli Bi , Bin Xiao

Removing adverse weather conditions such as rain, raindrop, and snow from images is critical for various real-world applications, including autonomous driving, surveillance, and remote sensing. However, existing multi-task approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Jilong Guo , Haobo Yang , Mo Zhou , Xinyu Zhang
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