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Earth Observatory is a growing research area that can capitalize on the powers of AI for short time forecasting, a Now-casting scenario. In this work, we tackle the challenge of weather forecasting using a video transformer network. Vision…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Alabi Bojesomo , Hasan Al Marzouqi , Panos Liatsis

Effective training of Deep Neural Networks requires massive amounts of data and compute. As a result, longer times are needed to train complex models requiring large datasets, which can severely limit research on model development and the…

机器学习 · 计算机科学 2021-09-08 Siddharth Samsi , Christopher J. Mattioli , Mark S. Veillette

Air quality forecasting has been regarded as the key problem of air pollution early warning and control management. In this paper, we propose a novel deep learning model for air quality (mainly PM2.5) forecasting, which learns the…

机器学习 · 计算机科学 2019-11-26 Shengdong Du , Tianrui Li , Yan Yang , Shi-Jinn Horng

Extreme weather amplified by climate change is causing increasingly devastating impacts across the globe. The current use of physics-based numerical weather prediction (NWP) limits accuracy due to high computational cost and strict…

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

Climate change has been a common interest and the forefront of crucial political discussion and decision-making for many years. Shallow clouds play a significant role in understanding the Earth's climate, but they are challenging to…

图像与视频处理 · 电气工程与系统科学 2021-07-13 Tashin Ahmed , Noor Hossain Nuri Sabab

Super-resolution (SR) techniques based on deep learning have recently emerged as a promising approach to enhance the spatial resolution of computational fluid dynamics simulations while containing computational cost. In this paper, we…

流体动力学 · 物理学 2026-04-13 Armin Sheidani , Michele Girfoglio , Annalisa Quaini , Gianluigi Rozza

Forecasting where and when new buildings will emerge is a rather unexplored topic, but one that is very useful in many disciplines such as urban planning, agriculture, resource management, and even autonomous flying. In the present work, we…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Nando Metzger , Mehmet Özgür Türkoglu , Rodrigo Caye Daudt , Jan Dirk Wegner , Konrad Schindler

We present an ensemble prediction system using a Deep Learning Weather Prediction (DLWP) model that recursively predicts key atmospheric variables with six-hour time resolution. This model uses convolutional neural networks (CNNs) on a…

大气与海洋物理 · 物理学 2021-12-10 Jonathan A. Weyn , Dale R. Durran , Rich Caruana , Nathaniel Cresswell-Clay

Recurrent and convolutional neural networks are the most common architectures used for time series forecasting in deep learning literature. These networks use parameter sharing by repeating a set of fixed architectures with fixed parameters…

机器学习 · 计算机科学 2020-11-30 Joel Janek Dabrowski , YiFan Zhang , Ashfaqur Rahman

Modern weather forecast models perform uncertainty quantification using ensemble prediction systems, which collect nonparametric statistics based on multiple perturbed simulations. To provide accurate estimation, dozens of such…

机器学习 · 计算机科学 2019-12-06 Peter Grönquist , Tal Ben-Nun , Nikoli Dryden , Peter Dueben , Luca Lavarini , Shigang Li , Torsten Hoefler

Spatio-temporal (ST) data, which represent multiple time series data corresponding to different spatial locations, are ubiquitous in real-world dynamic systems, such as air quality readings. Forecasting over ST data is of great importance…

机器学习 · 计算机科学 2018-10-01 Zheyi Pan , Yuxuan Liang , Junbo Zhang , Xiuwen Yi , Yong Yu , Yu Zheng

Weather and climate forecasting is vital for sectors such as agriculture and disaster management. Although numerical weather prediction (NWP) systems have advanced, forecasting at the subseasonal-to-seasonal (S2S) scale, spanning 2 to 6…

机器学习 · 计算机科学 2024-11-27 Yizhen Guo , Tian Zhou , Wanyi Jiang , Bo Wu , Liang Sun , Rong Jin

The ability of deep learning models to generalize well across different scenarios depends primarily on the quality and quantity of annotated data. Labeling large amounts of data for all possible scenarios that a model may encounter would…

机器学习 · 计算机科学 2019-07-26 Qadeer Khan , Patrick Wenzel , Daniel Cremers , Laura Leal-Taixé

The rapid development of Wi-Fi technologies in recent years has caused a significant increase in the traffic usage. Hence, knowledge obtained from Wi-Fi network measurements can be helpful for a more efficient network management. In this…

网络与互联网体系结构 · 计算机科学 2024-08-20 Seyedeh Soheila Shaabanzadeh , Juan Sánchez-González

Deep neural networks (DNNs) provide high image classification accuracy, but experience significant performance degradation when perturbation from various sources are present in the input. The lack of resilience to input perturbations makes…

机器学习 · 计算机科学 2019-09-13 Xueyuan She , Yun Long , Daehyun Kim , Saibal Mukhopadhyay

This paper presents a new deep neural network design for salient object detection by maximizing the integration of local and global image context within, around, and beyond the salient objects. Our key idea is to adaptively propagate and…

计算机视觉与模式识别 · 计算机科学 2020-05-21 Xiaowei Hu , Chi-Wing Fu , Lei Zhu , Tianyu Wang , Pheng-Ann Heng

Synthetic data has transformed language model training, yet its role in time series forecasting remains poorly understood. We present a large-scale empirical study: nine experiment groups, 4,218 runs systematically evaluating synthetic time…

机器学习 · 计算机科学 2026-05-08 Hugo Cazaux , Eyjólfur Ingi Ásgeirsson , Hlynur Stefánsson

Multivariate time series forecasting is an important machine learning problem across many domains, including predictions of solar plant energy output, electricity consumption, and traffic jam situation. Temporal data arise in these…

机器学习 · 计算机科学 2018-04-20 Guokun Lai , Wei-Cheng Chang , Yiming Yang , Hanxiao Liu

The goal of this study was to improve the post-processing of precipitation forecasts using convolutional neural networks (CNNs). Instead of post-processing forecasts on a per-pixel basis, as is usually done when employing machine learning…

机器学习 · 计算机科学 2021-05-18 Bob de Ruiter