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Related papers: Spectral-Structured Diffusion for Single-Image Rai…

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Diffusion-based super-resolution (SR) models have recently garnered significant attention due to their potent restoration capabilities. But conventional diffusion models perform noise sampling from a single distribution, constraining their…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Chengcheng Wang , Zhiwei Hao , Yehui Tang , Jianyuan Guo , Yujie Yang , Kai Han , Yunhe Wang

Rain removal is an important but challenging computer vision task as rain streaks can severely degrade the visibility of images that may make other visions or multimedia tasks fail to work. Previous works mainly focused on feature…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Cong Wang , Xiaoying Xing , Zhixun Su , Junyang Chen

Most advances in single image de-raining meet a key challenge, which is removing rain streaks with different scales and shapes while preserving image details. Existing single image de-raining approaches treat rain-streak removal as a…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Zhe Huang , Weijiang Yu , Wayne Zhang , Litong Feng , Nong Xiao

We introduce a deep network architecture called DerainNet for removing rain streaks from an image. Based on the deep convolutional neural network (CNN), we directly learn the mapping relationship between rainy and clean image detail layers…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Xueyang Fu , Jiabin Huang , Xinghao Ding , Yinghao Liao , John Paisley

It is challenging to remove rain-steaks from a single rainy image because the rain steaks are spatially varying in the rainy image. Although the CNN based methods have reported promising performance recently, there are still some defects,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Chaobing Zheng , Jun Jiang , Wenjian Ying , Shiqian Wu

Single image deraining regards an input image as a fusion of a background image, a transmission map, rain streaks, and atmosphere light. While advanced models are proposed for image restoration (i.e., background image generation), they…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Yinglong Wang , Yibing Song , Chao Ma , Bing Zeng

Single image deraining (SIDR) often suffers from over/under deraining due to the nonuniformity of rain densities and the variety of raindrop scales. In this paper, we propose a \textbf{\it co}ntinuous \textbf{\it de}nsity guided network…

Image and Video Processing · Electrical Eng. & Systems 2020-06-08 Jingwei He , Lei Yu , Gui-Song Xia , Wen Yang

Diffusion models are widely used in image generation because they can generate high-quality and realistic samples. This is in contrast to generative adversarial networks (GANs) and variational autoencoders (VAEs), which have some…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Xudong Ling , Chaorong Li , Fengqing Qin , Peng Yang , Yuanyuan Huang

Outdoor vision-based systems suffer from atmospheric turbulences, and rain is one of the worst factors for vision degradation. Current rain removal methods show limitations either for complex dynamic scenes, or under torrential rain with…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Jie Chen , Cheen-Hau Tan , Junhui Hou , Lap-Pui Chau , He Li

Single image deraining is an urgent task because the degraded rainy image makes many computer vision systems fail to work, such as video surveillance and autonomous driving. So, deraining becomes important and an effective deraining…

Image and Video Processing · Electrical Eng. & Systems 2020-03-31 Honghe Zhu , Cong Wang , Yajie Zhang , Zhixun Su , Guohui Zhao

Single image deraining task is still a very challenging task due to its ill-posed nature in reality. Recently, researchers have tried to fix this issue by training the CNN-based end-to-end models, but they still cannot extract the negative…

Image and Video Processing · Electrical Eng. & Systems 2019-08-29 Yanyan Wei , Zhao Zhang , Haijun Zhang , Richang Hong , Meng Wang

This study investigates the application of deep-learning diffusion models for the super-resolution of weather data, a novel approach aimed at enhancing the spatial resolution and detail of meteorological variables. Leveraging the…

Machine Learning · Computer Science 2024-09-02 Jan Martinů , Petr Šimánek

Rain removal in images is an important task in computer vision filed and attracting attentions of more and more people. In this paper, we address a non-trivial issue of removing visual effect of rain streak from a single image. Differing…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Yulong Fan , Rong Chen , Bo Li

Understanding the risks posed by extreme rainfall events requires analysis of precipitation fields with high resolution (to assess localized hazards) and extensive historical coverage (to capture sufficient examples of rare occurrences).…

Machine Learning · Computer Science 2025-11-07 Yuhao Liu , James Doss-Gollin , Qiushi Dai , Ashok Veeraraghavan , Guha Balakrishnan

Heavy rain removal from a single image is the task of simultaneously eliminating rain streaks and fog, which can dramatically degrade the quality of captured images. Most existing rain removal methods do not generalize well for the heavy…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Dac Tung Vu , Juan Luis Gonzalez , Munchurl Kim

Cloud contamination severely degrades the usability of remote sensing imagery and poses a fundamental challenge for downstream Earth observation tasks. Recently, diffusion-based models have emerged as a dominant paradigm for remote sensing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yifan Zhang , Qian Chen , Yi Liu , Wengen Li , Jihong Guan

Restoring clear frames from rainy videos presents a significant challenge due to the rapid motion of rain streaks. Traditional frame-based visual sensors, which capture scene content synchronously, struggle to capture the fast-moving…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Hanwen Liang , Xian Zhong , Wenxuan Liu , Yajing Zheng , Wenxin Huang , Zhaofei Yu , Tiejun Huang

To prevent unauthorized use of text in images, Scene Text Removal (STR) has become a crucial task. It focuses on automatically removing text and replacing it with a natural, text-less background while preserving significant details such as…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Sanhita Pathak , Vinay Kaushik , Brejesh Lall

Removing rain effects from an image is of importance for various applications such as autonomous driving, drone piloting, and photo editing. Conventional methods rely on some heuristics to handcraft various priors to remove or separate the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Yinglong Wang , Dong Gong , Jie Yang , Qinfeng Shi , Anton van den Hengel , Dehua Xie , Bing Zeng

The effectiveness of super resolution (SR) models hinges on their ability to recover high frequency structure without introducing artifacts. Diffusion based approaches have recently advanced the state of the art in SR. However, most…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Maryam Heidari , Nantheera Anantrasirichai , Alin Achim