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Precipitation forecasts are less accurate compared to other meteorological fields because several key processes affecting precipitation distribution and intensity occur below the resolved scale of global weather prediction models. This…

大气与海洋物理 · 物理学 2023-04-21 Rüdiger Brecht , Alex Bihlo

Despite the progress within the last decades, weather forecasting is still a challenging and computationally expensive task. Current satellite-based approaches to predict thunderstorms are usually based on the analysis of the observed…

机器学习 · 计算机科学 2019-12-04 Christian Schön , Jens Dittrich , Richard Müller

Heavy precipitation from tropical cyclones (TCs) may result in disasters, such as floods and landslides, leading to substantial economic damage and loss of life. Prediction of TC precipitation based on ensemble post-processing procedures…

Recently, representation learning with contrastive learning algorithms has been successfully applied to challenging unlabeled datasets. However, these methods are unable to distinguish important features from unimportant ones under simply…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Toshiyuki Oshima , Kentaro Takagi , Kouta Nakata

Recent self-supervised stereo matching methods have made significant progress, but their performance significantly degrades under adverse weather conditions such as night, rain, and fog. We identify two primary weaknesses contributing to…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Yun Wang , Junjie Hu , Junhui Hou , Chenghao Zhang , Renwei Yang , Dapeng Oliver Wu

Ensemble weather forecasts based on multiple runs of numerical weather prediction models typically show systematic errors and require post-processing to obtain reliable forecasts. Accurately modeling multivariate dependencies is crucial in…

大气与海洋物理 · 物理学 2024-02-02 Jieyu Chen , Tim Janke , Florian Steinke , Sebastian Lerch

Although numerical weather forecasting methods have dominated the field, recent advances in deep learning methods, such as diffusion models, have shown promise in ensemble weather forecasting. However, such models are typically…

机器学习 · 计算机科学 2025-09-16 Kevin Valencia , Ziyang Liu , Justin Cui

Reliable detection and classification of power system events are critical for maintaining grid stability and situational awareness. Existing approaches often depend on limited labeled datasets, which restricts their ability to generalize to…

信号处理 · 电气工程与系统科学 2026-05-22 Yi Hu , Zheyuan Cheng

Semi-supervised learning is an important and active topic of research in pattern recognition. For classification using linear discriminant analysis specifically, several semi-supervised variants have been proposed. Using any one of these…

机器学习 · 统计学 2014-11-18 Jesse H. Krijthe , Marco Loog

Recently, deep learning has emerged as a promising tool for statistical downscaling, the set of methods for generating high-resolution climate fields from coarse low-resolution variables. Nevertheless, their ability to generalize to climate…

机器学习 · 计算机科学 2023-05-03 Jose González-Abad , Jorge Baño-Medina

Subtype Discovery consists in finding interpretable and consistent sub-parts of a dataset, which are also relevant to a certain supervised task. From a mathematical point of view, this can be defined as a clustering task driven by…

Depth estimation models have shown promising performance on clear scenes but fail to generalize to adverse weather conditions due to illumination variations, weather particles, etc. In this paper, we propose WeatherDepth, a self-supervised…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Jiyuan Wang , Chunyu Lin , Lang Nie , Shujun Huang , Yao Zhao , Xing Pan , Rui Ai

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

Clustering has long been a popular unsupervised learning approach to identify groups of similar objects and discover patterns from unlabeled data in many applications. Yet, coming up with meaningful interpretations of the estimated clusters…

统计方法学 · 统计学 2020-05-26 Minjie Wang , Tianyi Yao , Genevera I. Allen

Collecting large annotated datasets in Remote Sensing is often expensive and thus can become a major obstacle for training advanced machine learning models. Common techniques of addressing this issue, based on the underlying idea of…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Rahul Ghosh , Xiaowei Jia , Chenxi Lin , Zhenong Jin , Vipin Kumar

Recently, deep-learning weather forecasting models have surpassed traditional numerical models in terms of the accuracy of meteorological variables. However, there is considerable potential for improvements in precipitation forecasts,…

大气与海洋物理 · 物理学 2024-11-20 Weiwen Ji , Jin Feng , Yueqi Liu , Yulu Qiu , Hua Gao

Despite the success of deep learning-based object detection methods in recent years, it is still challenging to make the object detector reliable in adverse weather conditions such as rain and snow. For the robust performance of object…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Minsik Jeon , Junwon Seo , Jihong Min

The impact of an extreme climate event depends strongly on its geographical scale. Max-stable processes can be used for the statistical investigation of climate extremes and their spatial dependencies on a continuous area. Most existing…

统计方法学 · 统计学 2023-06-14 Justus Contzen , Thorsten Dickhaus , Gerrit Lohmann

One of the goals of machine learning is to eliminate tedious and arduous repetitive work. The manual and semi-automatic classification of millions of hours of solar wind data from multiple missions can be replaced by automatic algorithms…

空间物理 · 物理学 2020-08-20 Jorge Amaya , Romain Dupuis , Maria Elena Innocenti , Giovanni Lapenta

Enhancing the robustness of object detection systems under adverse weather conditions is crucial for the advancement of autonomous driving technology. This study presents a novel approach leveraging the diffusion model Instruct Pix2Pix to…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Unai Gurbindo , Axel Brando , Jaume Abella , Caroline König
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