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As the peak of the solar cycle approaches in 2025 and the ability of a single geomagnetic storm to significantly alter the orbit of Resident Space Objects (RSOs), techniques for atmospheric density forecasting are vital for space…

大气与海洋物理 · 物理学 2023-10-27 Julia Briden , Peng Mun Siew , Victor Rodriguez-Fernandez , Richard Linares

Most multi-view clustering methods are limited by shallow models without sound nonlinear information perception capability, or fail to effectively exploit complementary information hidden in different views. To tackle these issues, we…

机器学习 · 计算机科学 2022-10-14 Fu Lele , Zhang Lei , Yang Jinghua , Chen Chuan , Zhang Chuanfu , Zheng Zibin

Classifying stars, galaxies, and quasars is essential for understanding cosmic structure and evolution; however, the vast data from modern surveys make manual classification impractical, while supervised learning methods remain constrained…

星系天体物理 · 物理学 2025-09-09 Vahid Asadi , Hosein Haghi , Akram Hasani Zonoozi

Masked Image Modeling (MIM) is a self-supervised learning technique that involves masking portions of an image, such as pixels, patches, or latent representations, and training models to predict the missing information using the visible…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Shabnam Choudhury , Akhil Vasim , Michael Schmitt , Biplab Banerjee

Tropical cyclones (TCs) rank among the most costly natural disasters in the United States, and accurate forecasts of track and intensity are critical for emergency response. Intensity guidance has improved steadily but slowly, as processes…

应用统计 · 统计学 2020-12-08 Trey McNeely , Ann B. Lee , Kimberly M. Wood , Dorit Hammerling

We investigate a novel non-parametric regression-based clustering algorithm for longitudinal data analysis. Combining natural cubic splines with Gaussian mixture models (GMM), the algorithm can produce smooth cluster means that describe the…

统计方法学 · 统计学 2022-09-20 Peter Mlakar , Tapio Nummi , Polona Oblak , Jana Faganeli Pucer

Climate change poses an extreme threat to biodiversity, making it imperative to efficiently model the geographical range of different species. The availability of large-scale remote sensing images and environmental data has facilitated the…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Theresa Chen , Yao-Yi Chiang

Accurate prediction of global sea surface temperature at sub-seasonal to seasonal (S2S) timescale is critical for drought and flood forecasting, as well as for improving disaster preparedness in human society. Government departments or…

大气与海洋物理 · 物理学 2024-09-10 Longhao Wang , Xuanze Zhang , L. Ruby Leung , Francis H. S. Chiew , Amir AghaKouchak , Kairan Ying , Yongqiang Zhang

In this paper, a novel artificial intelligence-based cyber-attack detection model for smart grids is developed to stop data integrity cyber-attacks (DIAs) on the received load data by supervisory control and data acquisition (SCADA). In the…

机器学习 · 计算机科学 2023-12-15 Mojtaba Mohammadi , Arshia Aflaki , Abdollah Kavousifard , Mohsen Gitizadeh

Ground-based whole sky imagers (WSIs) are being used by researchers in various fields to study the atmospheric events. These ground-based sky cameras capture visible-light images of the sky at regular intervals of time. Owing to the…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Mayank Jain , Navya Jain , Yee Hui Lee , Stefan Winkler , Soumyabrata Dev

Reconfigurable intelligent surfaces (RISs) are envisioned to play a key role in future wireless communication networks. However, channel estimation in RIS-aided wireless networks is challenging due to their passive nature and the large…

信号处理 · 电气工程与系统科学 2024-06-21 Sadjad Alikhani , Ahmed Alkhateeb

The microphysical properties of ice crystals are important because they significantly alter the radiative properties and spatiotemporal distributions of clouds, which in turn strongly affect Earth's climate. However, it is challenging to…

大气与海洋物理 · 物理学 2025-07-29 Joseph Ko , Jerry Harrington , Kara Sulia , Vanessa Przybylo , Marcus van Lier-Walqui , Kara Lamb

Accurate prediction of tropical cyclones remains a major challenge for both numerical weather prediction and emerging artificial intelligence weather prediction systems. While recent global AI models have demonstrated strong skill in…

大气与海洋物理 · 物理学 2026-03-17 Zeyi Niu , Wei Huang , Sirong Huang , Zhuo Wang , Mu Mu , Mengqi Yang , Xinhai Han , Haofei Sun , Zhaoyang Huo , Bo Qin

Solar irradiance clustering can enhance solar power capacity planning and help improve forecasting models by identifying similar irradiance patterns influenced by seasonal and weather changes. In this study, we adopt an efficient two-level…

机器学习 · 计算机科学 2025-01-20 Roshni Agrawal , Sivakumar Subramanian , Venkataramana Runkana

The immense amount of time series data produced by astronomical surveys has called for the use of machine learning algorithms to discover and classify several million celestial sources. In the case of variable stars, supervised learning…

太阳与恒星天体物理 · 物理学 2022-10-12 R. Pantoja , M. Catelan , K. Pichara , P. Protopapas

Tropical Cyclones (TCs) are counted among the most destructive phenomena that can be found in nature. Every year, globally an average of 90 TCs occur over tropical waters, and global warming is making them stronger, larger and more…

大气与海洋物理 · 物理学 2023-11-28 Gabriele Accarino , Davide Donno , Francesco Immorlano , Donatello Elia , Giovanni Aloisio

Inverse Compton (IC) emission associated with the non-thermal component of the intracluster medium (ICM) has been a long sought phenomenon in cluster physics. Traditional spectral fitting often suffers from the degeneracy between the…

宇宙学与河外天体物理 · 物理学 2024-10-18 Sheng-Chieh Lin , Yuanyuan Su , Fabio Gastaldello , Nathan Jacobs

To meet climate targets, the IPCC underscores the necessity of technologies capable of removing gigatonnes of CO2 annually, with Geological Carbon Storage (GCS) playing a central role. GCS involves capturing CO2 and injecting it into deep…

计算物理 · 物理学 2025-02-12 Abhinav Prakash Gahlot , Felix J. Herrmann

Known for their efficiency in analyzing large data sets, machine learning classifiers are widely used in wide-field sky surveys. The upcoming Vera C. Rubin Observatory Legacy of Time and Space Survey (LSST) will generate millions of alerts…

Sea ice plays a crucial role in the climate system, particularly in the Marginal Ice Zone (MIZ), a transitional area consisting of fragmented ice between the open ocean and consolidated pack ice. As the MIZ expands, understanding its…

地球物理 · 物理学 2024-10-31 Changhong Mou , Samuel N. Stechmann , Nan Chen