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One of the main tasks of an autonomous agent in a vehicle is to correctly perceive its environment. Much of the data that needs to be processed is collected by optical sensors such as cameras. Unfortunately, the data collected in this way…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Michael Kranl , Hubert Ramsauer , Bernhard Knapp

To this day, accurately simulating local-scale precipitation and reliably reproducing its distribution remains a challenging task. The limited horizontal resolution of Global Climate Models is among the primary factors undermining their…

Atmospheric and Oceanic Physics · Physics 2025-03-18 Marcello Iotti , Paolo Davini , Jost von Hardenberg , Giuseppe Zappa

In an autonomous driving system, perception - identification of features and objects from the environment - is crucial. In autonomous racing, high speeds and small margins demand rapid and accurate detection systems. During the race, the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Izzeddin Teeti , Valentina Musat , Salman Khan , Alexander Rast , Fabio Cuzzolin , Andrew Bradley

Image deraining is a new challenging problem in real-world applications, such as autonomous vehicles. In a bad weather condition of heavy rainfall, raindrops, mainly hitting glasses or windshields, can significantly reduce observation…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Duc Manh Nguyen , Sang-Woong Lee

Autonomous driving significantly benefits from data-driven deep neural networks. However, the data in autonomous driving typically fits the long-tailed distribution, in which the critical driving data in adverse conditions is hard to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Gongjin Lan , Yang Peng , Qi Hao , Chengzhong Xu

The conditional generative adversarial rainfall model "cGAN" developed for the UK \cite{Harris22} was trained to post-process into an ensemble and downscale ERA5 rainfall to 1km resolution over three regions of the USA and the UK. Relative…

Atmospheric and Oceanic Physics · Physics 2023-09-28 Fenwick C. Cooper , Andrew T. T. McRae , Matthew Chantry , Bobby Antonio , Tim N. Palmer

Autonomous driving simulators provide an effective and low-cost alternative for evaluating or enhancing visual perception models. However, the reliability of evaluation depends on the diversity and realism of the generated scenes. Extreme…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Kaibin Zhou , Kaifeng Huang , Hao Deng , Zelin Tao , Ziniu Liu , Lin Zhang , Shengjie Zhao

Despite continuous improvements, precipitation forecasts are still not as accurate and reliable as those of other meteorological variables. A major contributing factor to this is that several key processes affecting precipitation…

Atmospheric and Oceanic Physics · Physics 2022-11-09 Lucy Harris , Andrew T. T. McRae , Matthew Chantry , Peter D. Dueben , Tim N. Palmer

This paper develops a deep-learning framework to synthesize a ground-level view of a location given an overhead image. We propose a novel conditional generative adversarial network (cGAN) in which the trained generator generates realistic…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Xueqing Deng , Yi Zhu , Shawn Newsam

The precipitation nowcasting methods have been elaborated over the centuries because rain has a crucial impact on human life. Not only quantitative precipitation forecast (QPF) models and convolutional long short-term memory (ConvLSTM), but…

Machine Learning · Computer Science 2023-08-22 Jaeho Choi , Yura Kim , Kwang-Ho Kim , Sung-Hwa Jung , Ikhyun Cho

Rain is one of the most common weather which can completely degrade the image quality and interfere with the performance of many computer vision tasks, especially under heavy rain conditions. We observe that: (i) rain is a mixture of rain…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Yiyang Shen , Yongzhen Wang , Mingqiang Wei , Honghua Chen , Haoran Xie , Gary Cheng , Fu Lee Wang

To tackle the difficulties in fitting paired real-world data for single image deraining (SID), recent unsupervised methods have achieved notable success. However, these methods often struggle to generate high-quality, rain-free images due…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Chen Zhao , Weiling Cai , ChengWei Hu , Zheng Yuan

For the single image rain removal (SIRR) task, the performance of deep learning (DL)-based methods is mainly affected by the designed deraining models and training datasets. Most of current state-of-the-art focus on constructing powerful…

Computer Vision and Pattern Recognition · Computer Science 2020-12-07 Hong Wang , Zongsheng Yue , Qi Xie , Qian Zhao , Yefeng Zheng , Deyu Meng

We present LR-GAN: an adversarial image generation model which takes scene structure and context into account. Unlike previous generative adversarial networks (GANs), the proposed GAN learns to generate image background and foregrounds…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Jianwei Yang , Anitha Kannan , Dhruv Batra , Devi Parikh

Image deraining is a new challenging problem in applications of autonomous vehicles. In a bad weather condition of heavy rainfall, raindrops, mainly hitting the vehicle's windshield, can significantly reduce observation ability even though…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Duc Manh Nguyen , Sang-Woong Lee

This study explores the application of deep learning for rainfall prediction, leveraging the Spinning Enhanced Visible and Infrared Imager (SEVIRI) High rate information transmission (HRIT) data as input and the Operational Program on the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Atharva Deshpande , Kaushik Gopalan , Jeet Shah , Hrishikesh Simu

This paper introduces a new method of generating realistic pervasive changes in the context of evaluating the effectiveness of change detection algorithms in controlled settings. The method, a cycle-consistent adversarial network…

Image and Video Processing · Electrical Eng. & Systems 2020-05-18 Christopher X. Ren , Amanda Ziemann , Alice M. S. Durieux , James Theiler

Visible (VIS) imagery is important for monitoring Tropical Cyclones (TCs) but is unavailable at night. This study presents a Conditional Generative Adversarial Networks (CGAN) model to generate nighttime VIS imagery with significantly…

Atmospheric and Oceanic Physics · Physics 2025-05-08 Jinghuai Yao , Puyuan Du , Yucheng Zhao , Yubo Wang

Exploring and modeling rain generation mechanism is critical for augmenting paired data to ease training of rainy image processing models. Against this task, this study proposes a novel deep learning based rain generator, which fully takes…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Zhiqiang Pang , Hong Wang , Qi Xie , Deyu Meng , Zongben Xu

Conditional generative adversarial networks (cGAN) have led to large improvements in the task of conditional image generation, which lies at the heart of computer vision. The major focus so far has been on performance improvement, while…

Machine Learning · Computer Science 2019-03-14 Grigorios G. Chrysos , Jean Kossaifi , Stefanos Zafeiriou
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