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This study presents a transfer-learning framework based on Convolutional Gated Recurrent Units (ConvGRU) for short-term rainfall prediction in the Weather4Cast 2025 competition. A single SEVIRI infrared channel (10.8 {\mu}m wavelength) is…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Anushree Bhuskute , Kaushik Gopalan , Jeet Shah

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…

大气与海洋物理 · 物理学 2023-09-28 Fenwick C. Cooper , Andrew T. T. McRae , Matthew Chantry , Bobby Antonio , Tim N. Palmer

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…

大气与海洋物理 · 物理学 2022-11-09 Lucy Harris , Andrew T. T. McRae , Matthew Chantry , Peter D. Dueben , Tim N. Palmer

Addressing the challenges of climate change requires accurate and high-resolution mapping of geospatial data, especially climate and weather variables. However, many existing geospatial datasets, such as the gridded outputs of the…

机器学习 · 计算机科学 2024-08-08 Guiye Li , Guofeng Cao

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…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Duc Manh Nguyen , Sang-Woong Lee

In this paper, we address the hyperspectral image (HSI) classification task with a generative adversarial network and conditional random field (GAN-CRF) -based framework, which integrates a semi-supervised deep learning and a probabilistic…

图像与视频处理 · 电气工程与系统科学 2019-05-14 Zilong Zhong , Jonathan Li , David A. Clausi , Alexander Wong

Climate models encapsulate our best understanding of the Earth system, allowing research to be conducted on its future under alternative assumptions of how human-driven climate forces are going to evolve. An important application of climate…

大气与海洋物理 · 物理学 2021-05-14 Alexis Ayala , Christopher Drazic , Brian Hutchinson , Ben Kravitz , Claudia Tebaldi

We use a conditional deep convolutional generative adversarial network to predict the geopotential height of the 500 hPa pressure level, the two-meter temperature and the total precipitation for the next 24 hours over Europe. The proposed…

大气与海洋物理 · 物理学 2020-06-16 Alexander Bihlo

Accurately forecasting extreme rainfall is notoriously difficult, but is also ever more crucial for society as climate change increases the frequency of such extremes. Global numerical weather prediction models often fail to capture…

机器学习 · 统计学 2022-03-24 Ilan Price , Stephan Rasp

Forecasting global precipitation patterns and, in particular, extreme precipitation events is of critical importance to preparing for and adapting to climate change. Making accurate high-resolution precipitation forecasts using traditional…

机器学习 · 计算机科学 2022-10-25 James Duncan , Shashank Subramanian , Peter Harrington

This paper introduces a data-driven approach to estimate precipitation rates from Synthetic Aperture Radar (SAR) at a spatial resolution of 200 meters per pixel. It addresses previous challenges related to the collocation of SAR and weather…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Aurélien Colin , Romain Husson

Autonomous vehicles are exposed to various weather during operation, which is likely to trigger the performance limitations of the perception system, leading to the safety of the intended functionality (SOTIF) problems. To efficiently…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Zhenyuan Liu , Tong Jia , Xingyu Xing , Jianfeng Wu , Junyi Chen

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…

计算机视觉与模式识别 · 计算机科学 2019-02-21 Xueqing Deng , Yi Zhu , Shawn Newsam

An ensemble post-processing method is developed for the probabilistic prediction of severe weather (tornadoes, hail, and wind gusts) over the conterminous United States (CONUS). The method combines conditional generative adversarial…

机器学习 · 计算机科学 2025-09-17 Yingkai Sha , Ryan A. Sobash , David John Gagne

While deep-learning downscaling algorithms can generate fine-scale climate projections cost-effectively, it is still unclear how well they will extrapolate to unobserved climates. We assess the extrapolation capabilities of a deterministic…

大气与海洋物理 · 物理学 2024-12-09 Neelesh Rampal , Peter B. Gibson , Steven Sherwood , Gab Abramowitz

Short- or mid-term rainfall forecasting is a major task with several environmental applications such as agricultural management or flood risk monitoring. Existing data-driven approaches, especially deep learning models, have shown…

信号处理 · 电气工程与系统科学 2021-01-13 Vincent Bouget , Dominique Béréziat , Julien Brajard , Anastase Charantonis , Arthur Filoche

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…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Ibrahim Kajo , Mohamed Kas , Yassine Ruichek

Enabling highly-mobile millimeter wave (mmWave) systems is challenging because of the huge training overhead associated with acquiring the channel knowledge or designing the narrow beams. Current mmWave beam training and channel estimation…

信息论 · 计算机科学 2018-08-08 Xiaofeng Li , Ahmed Alkhateeb , Cihan Tepedelenlioğlu

In this paper, we demonstrated a practical application of realistic river image generation using deep learning. Specifically, we explored a generative adversarial network (GAN) model capable of generating high-resolution and realistic river…

计算机视觉与模式识别 · 计算机科学 2021-07-29 Akshat Gautam , Muhammed Sit , Ibrahim Demir

This paper presents a solution to the Weather4Cast 2023 competition, where the goal is to forecast high-resolution precipitation with an 8-hour lead time using lower-resolution satellite radiance images. We propose a simple, yet effective…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Rafael Pablos Sarabia , Joachim Nyborg , Morten Birk , Ira Assent
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