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Related papers: Rain Removal By Image Quasi-Sparsity Priors

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Single image de-raining is an extremely challenging problem since the rainy image may contain rain streaks which may vary in size, direction and density. Previous approaches have attempted to address this problem by leveraging some prior…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Rajeev Yasarla , Vishal M. Patel

Adverse weather conditions such as haze and rain corrupt the quality of captured images, which cause detection networks trained on clean images to perform poorly on these images. To address this issue, we propose an unsupervised prior-based…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Vishwanath A. Sindagi , Poojan Oza , Rajeev Yasarla , Vishal M. Patel

Single image rain streaks removal has recently witnessed substantial progress due to the development of deep convolutional neural networks. However, existing deep learning based methods either focus on the entrance and exit of the network…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Guanbin Li , Xiang He , Wei Zhang , Huiyou Chang , Le Dong , Liang Lin

Images captured in snowy days suffer from noticeable degradation of scene visibility, which degenerates the performance of current vision-based intelligent systems. Removing snow from images thus is an important topic in computer vision. In…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Kaihao Zhang , Rongqing Li , Yanjiang Yu , Wenhan Luo , Changsheng Li , Hongdong Li

Rain streaks bring serious blurring and visual quality degradation, which often vary in size, direction and density. Current CNN-based methods achieve encouraging performance, while are limited to depict rain characteristics and recover…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Xiang Chen , Yufeng Huang , Lei Xu

Many images nowadays are captured from behind the glasses and may have certain stains discrepancy because of glass and must be processed to make differentiation between the glass and objects behind it. This research paper proposes an…

Computer Vision and Pattern Recognition · Computer Science 2015-06-04 Vini Katyal , Aviral , Deepesh Srivastava

Existing deep-learning-based methods for nighttime video deraining rely on synthetic data due to the absence of real-world paired data. However, the intricacies of the real world, particularly with the presence of light effects and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Beibei Lin , Yeying Jin , Wending Yan , Wei Ye , Yuan Yuan , Shunli Zhang , Robby Tan

We introduce RaidaR, a rich annotated image dataset of rainy street scenes, to support autonomous driving research. The new dataset contains the largest number of rainy images (58,542) to date, 5,000 of which provide semantic segmentations…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Jiongchao Jin , Arezou Fatemi , Wallace Lira , Fenggen Yu , Biao Leng , Rui Ma , Ali Mahdavi-Amiri , Hao Zhang

When capturing images through glass surfaces or windshields on rainy days, raindrops and reflections frequently co-occur to significantly reduce the visibility of captured images. This practical problem lacks attention and needs to be…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Xingyu Liu , Zewei He , Yu Chen , Chunyu Zhu , Zixuan Chen , Xing Luo , Zhe-Ming Lu

Existing vision systems for autonomous driving or robots are sensitive to waterdrops adhered to windows or camera lenses. Most recent waterdrop removal approaches take a single image as input and often fail to recover the missing content…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Zifan Shi , Na Fan , Dit-Yan Yeung , Qifeng Chen

Shadows often occur when we capture the documents with casual equipment, which influences the visual quality and readability of the digital copies. Different from the algorithms for natural shadow removal, the algorithms in document shadow…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Zinuo Li , Xuhang Chen , Chi-Man Pun , Xiaodong Cun

An algorithm to estimate motion from satellite imagery is presented. Dense displacement fields are computed from time-separated images of of significant convective activity using a Bayesian formulation of the motion estimation problem.…

Atmospheric and Oceanic Physics · Physics 2007-05-23 Sai Ravela , Virat Chatdarong

Single Image Reflection Removal (SIRR) in real-world images is a challenging task due to diverse image degradations occurring on the glass surface during light transmission and reflection. Many existing methods rely on specific prior…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Dongshen Han , Heechan Yoon , Hyukmin Kwon , Hyun-Cheol Kim , Hyon-Gon Choo , Seungkyu Lee , Chaoning Zhang

This paper addresses reflection removal, which is the task of separating reflection components from a captured image and deriving the image with only transmission components. Considering that the existence of the reflection changes the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Wenjiao Bian , Yusuke Monno , Masatoshi Okutomi

The superior performance introduced by deep learning approaches in removing atmospheric particles such as snow and rain from a single image; favors their usage over classical ones. However, deep learning-based approaches still suffer from…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Ibrahim Kajo , Mohamed Kas , Yassine Ruichek

In this work we propose a novel technique to quantify how distracting watermarks are on an image. We begin with watermark detection using a two-tower CNN model composed of a binary classification task and a semantic segmentation prediction.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Aurelia Guy , Sema Berkiten

Synthesizing novel views for urban environments is crucial for tasks like autonomous driving and virtual tours. Compared to object-level or indoor situations, outdoor settings present unique challenges, such as inconsistency across frames…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Mreenav Shyam Deka , Lu Sang , Daniel Cremers

Severe weather conditions such as rain and snow adversely affect the visual quality of images captured under such conditions thus rendering them useless for further usage and sharing. In addition, such degraded images drastically affect…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 He Zhang , Vishwanath Sindagi , Vishal M. Patel

Existing methods for single images raindrop removal either have poor robustness or suffer from parameter burdens. In this paper, we propose a new Adjacent Aggregation Network (A^2Net) with lightweight architectures to remove raindrops from…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Huangxing Lin , Xueyang Fu , Changxing Jing , Xinghao Ding , Yue Huang

Watermarking plays a key role in the provenance and detection of AI-generated content. While existing methods prioritize robustness against real-world distortions (e.g., JPEG compression and noise addition), we reveal a fundamental…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Zhongjie Ba , Yitao Zhang , Peng Cheng , Bin Gong , Xinyu Zhang , Qinglong Wang , Kui Ren
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