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Related papers: Rain Removal By Image Quasi-Sparsity Priors

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Since rainy weather always degrades image quality and poses significant challenges to most computer vision-based intelligent systems, image de-raining has been a hot research topic. Fortunately, in a rainy light field (LF) image, background…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Tao Yan , Weijiang He , Chenglong Wang , Cihang Wei , Xiangjie Zhu , Yinghui Wang , Rynson W. H. Lau

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

Given a single input rainy image, our goal is to visually remove rain streaks and the veiling effect caused by scattering and transmission of rain streaks and rain droplets. We are particularly concerned with heavy rain, where rain streaks…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Ruoteng Li , Loong-Fah Cheong , Robby T. Tan

Stereo images, containing left and right view images with disparity, are utilized in solving low-vision tasks recently, e.g., rain removal and super-resolution. Stereo image restoration methods usually obtain better performance than…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Yanyan Wei , Zhao Zhang , Zhongqiu Zhao , Yang Zhao , Richang Hong , Yi Yang

Rain streaks bring complicated pixel intensity changes and additional gradients, greatly obstructing the extraction of image features from background. This causes serious performance degradation in feature-based applications. Thus, it is…

Image and Video Processing · Electrical Eng. & Systems 2023-11-02 Wei Wu , Hao Chang , Zhu Li

Single image rain streak removal is an extremely challenging problem due to the presence of non-uniform rain densities in images. We present a novel density-aware multi-stream densely connected convolutional neural network-based algorithm,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-22 He Zhang , Vishal M. Patel

Acquisition of data with adverse conditions in robotics is a cumbersome task due to the difficulty in guaranteeing proper ground truth and synchronising with desired weather conditions. In this paper, we present a simple method - recording…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Horia Porav , Valentina-Nicoleta Musat , Tom Bruls , Paul Newman

Falling raindrops are usually considered purely negative factors for traditional optical imaging because they generate not only rain streaks but also rain fog, resulting in a decrease in the visual quality of images. However, this work…

Quantum Physics · Physics 2023-07-14 Yuge Li , Yunjie Xia , Deyang Duan

Rain removal plays an important role in the restoration of degraded images. Recently, data-driven methods have achieved remarkable success. However, these approaches neglect that the appearance of rain is often accompanied by low light…

Image and Video Processing · Electrical Eng. & Systems 2021-10-19 Yecong Wan , Yuanshuo Cheng , Mingwen Shao

Single image de-raining is an extremely challenging problem since the rainy images contain rain streaks which often vary in size, direction and density. This varying characteristic of rain streaks affect different parts of the image…

Image and Video Processing · Electrical Eng. & Systems 2020-04-22 Rajeev Yasarla , Vishal M. Patel

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

Video monitoring of traffic is useful for traffic management and control, traffic counting, and traffic law enforcement. However, traffic monitoring during inclement weather such as rain is a challenging task because video quality is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Shuya Zong , Sikai Chen , Samuel Labi

Existing deep learning-based image deraining methods have achieved promising performance for synthetic rainy images, typically rely on the pairs of sharp images and simulated rainy counterparts. However, these methods suffer from…

Image and Video Processing · Electrical Eng. & Systems 2021-03-26 Yuntong Ye , Yi Chang , Hanyu Zhou , Luxin Yan

Rain removal is important for improving the robustness of outdoor vision based systems. Current rain removal methods show limitations either for complex dynamic scenes shot from fast moving cameras, or under torrential rain fall with opaque…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Jie Chen , Cheen-Hau Tan , Junhui Hou , Lap-Pui Chau , He Li

Outdoor videos sometimes contain unexpected rain streaks due to the rainy weather, which bring negative effects on subsequent computer vision applications, e.g., video surveillance, object recognition and tracking, etc. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2019-02-20 Zhaoyang Sun , Shengwu Xiong , Ryan Wen Liu

In recent years, deep learning based methods have made significant progress in rain-removing. However, the existing methods usually do not have good generalization ability, which leads to the fact that almost all of existing methods have a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Yinglong Wang , Haokui Zhang , Yu Liu , Qinfeng Shi , Bing Zeng

Image super-resolution is an important research area in computer vision that has a wide variety of applications including surveillance, medical imaging etc. Real-world signal image super-resolution has become very popular now-a-days due to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Mohammad Shahab Uddin

Single-image deraining is rather challenging due to the unknown rain model. Existing methods often make specific assumptions of the rain model, which can hardly cover many diverse circumstances in the real world, making them have to employ…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Qing Guo , Jingyang Sun , Felix Juefei-Xu , Lei Ma , Xiaofei Xie , Wei Feng , Yang Liu

Due to the difficulty in collecting paired real-world training data, image deraining is currently dominated by supervised learning with synthesized data generated by e.g., Photoshop rendering. However, the generalization to real rainy…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Yinglong Wang , Chao Ma , Jianzhuang Liu

Rain removal aims to remove the rain streaks on rain images. The state-of-the-art methods are mostly based on Convolutional Neural Network~(CNN). However, as CNN is not equivariant to object rotation, these methods are unsuitable for…

Image and Video Processing · Electrical Eng. & Systems 2020-09-08 Hong Liu , Hanrong Ye , Xia Li , Wei Shi , Mengyuan Liu , Qianru Sun