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As global climate change intensifies, accurate weather forecasting has become increasingly important, affecting agriculture, energy management, environmental protection, and daily life. This study introduces a hybrid model combining…

机器学习 · 计算机科学 2024-10-22 Yuhao Gong , Yuchen Zhang , Fei Wang , Chi-Han Lee

Predicting flood for any location at times of extreme storms is a longstanding problem that has utmost importance in emergency management. Conventional methods that aim to predict water levels in streams use advanced hydrological models…

机器学习 · 计算机科学 2019-06-25 Muhammed Sit , Ibrahim Demir

Regression with non-Euclidean responses -- e.g., probability distributions, networks, symmetric positive-definite matrices, and compositions -- has become increasingly important in modern applications. In this paper, we propose deep…

机器学习 · 统计学 2025-10-21 Kyum Kim , Yaqing Chen , Paromita Dubey

Deep neural networks have gained tremendous success in a broad range of machine learning tasks due to its remarkable capability to learn semantic-rich features from high-dimensional data. However, they often require large-scale labelled…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Hu Wang , Guansong Pang , Chunhua Shen , Congbo Ma

Understanding extreme events and their probability is key for the study of climate change impacts, risk assessment, adaptation, and the protection of living beings. Forecasting the occurrence probability of extreme heatwaves is a primary…

大气与海洋物理 · 物理学 2023-02-21 George Miloshevich , Bastien Cozian , Patrice Abry , Pierre Borgnat , Freddy Bouchet

Robust Mask R-CNN (Mask Regional Convolu-tional Neural Network) methods are proposed and tested for automatic detection of cracks on structures or their components that may be damaged during extreme events, such as earth-quakes. We curated…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Yongsheng Bai , Halil Sezen , Alper Yilmaz

We propose a physics-aware machine learning method to time-accurately predict extreme events in a turbulent flow. The method combines two radically different approaches: empirical modelling based on reservoir computing, which learns the…

流体动力学 · 物理学 2019-12-24 Nguyen Anh Khoa Doan , Wolfgang Polifke , Luca Magri

Deep convolutional neural networks (DCNN) have enjoyed great successes in many signal processing applications because they can learn complex, non-linear causal relationships from input to output. In this light, DCNNs are well suited for the…

图像与视频处理 · 电气工程与系统科学 2018-10-31 Xi Zhang , Xiaolin Wu

Flash floods in urban areas occur with increasing frequency. Detecting these floods would greatlyhelp alleviate human and economic losses. However, current flood prediction methods are eithertoo slow or too simplified to capture the flood…

信号处理 · 电气工程与系统科学 2019-08-28 Kun Qian , Abduallah Mohamed , Christian Claudel

Automatic event detection from time series signals has wide applications, such as abnormal event detection in video surveillance and event detection in geophysical data. Traditional detection methods detect events primarily by the use of…

机器学习 · 计算机科学 2018-09-26 Yue Wu , Youzuo Lin , Zheng Zhou , David Chas Bolton , Ji Liu , Paul Johnson

The midlatitude climate and weather are shaped by storms, yet the factors governing their predictability remain insufficiently understood. Here, we use a Convolutional Neural Network (CNN) to predict and quantify uncertainty in the…

大气与海洋物理 · 物理学 2025-10-30 Wuqiushi Yao , Or Hadas , Yohai Kaspi

To advance automated detection of extreme weather events, which are increasing in frequency and intensity with climate change, we explore modifications to a novel light-weight Context Guided convolutional neural network architecture trained…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Romain Lacombe , Hannah Grossman , Lucas Hendren , David Lüdeke

Risk management in many environmental settings requires an understanding of the mechanisms that drive extreme events. Useful metrics for quantifying such risk are extreme quantiles of response variables conditioned on predictor variables…

机器学习 · 统计学 2024-03-08 Jordan Richards , Raphaël Huser

Time series models often deal with extreme events and anomalies, both prevalent in real-world datasets. Such models often need to provide careful probabilistic forecasting, which is vital in risk management for extreme events such as…

机器学习 · 统计学 2022-08-23 Ashkan Farhangi , Jiang Bian , Arthur Huang , Haoyi Xiong , Jun Wang , Zhishan Guo

Accurate prediction of wind power is essential for the grid integration of this intermittent renewable source and aiding grid planners in forecasting available wind capacity. Spatial differences lead to discrepancies in climatological data…

机器学习 · 计算机科学 2024-05-21 Md Saiful Islam Sajol , Md Shazid Islam , A S M Jahid Hasan , Md Saydur Rahman , Jubair Yusuf

Extreme events occur in many spatially extended dynamical systems, often devastatingly affecting human life which makes their reliable prediction and efficient prevention highly desirable. We study the prediction and prevention of extreme…

数据分析、统计与概率 · 物理学 2015-10-09 Stephan Bialonski , Gerrit Ansmann , Holger Kantz

We present a numerical framework for deep neural network (DNN) modeling of unknown time-dependent partial differential equations (PDE) using their trajectory data. Unlike the recent work of [Wu and Xiu, J. Comput. Phys. 2020], where the…

机器学习 · 计算机科学 2021-11-24 Zhen Chen , Victor Churchill , Kailiang Wu , Dongbin Xiu

Population-level societal events, such as civil unrest and crime, often have a significant impact on our daily life. Forecasting such events is of great importance for decision-making and resource allocation. Event prediction has…

机器学习 · 计算机科学 2021-12-14 Songgaojun Deng , Yue Ning

In a quest towards an intelligent decision-making machine, the ability to make plausible predictions is the central pillar of its intelligence. A predicting algorithm's central idea is to understand the governing physical rules and make…

天体物理仪器与方法 · 物理学 2021-01-01 Shashwat Singh , Ankul Prajapati , Kamlesh N Pathak

An extreme event is a sudden and violent change in the state of a nonlinear system. In fluid dynamics, extreme events can have adverse effects on the system's optimal design and operability, which calls for accurate methods for their…

流体动力学 · 物理学 2022-04-26 Alberto Racca , Luca Magri