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Cloud detection plays a very important role in the process of remote sensing images. This paper designs a super-pixel level cloud detection method based on convolutional neural network (CNN) and deep forest. Firstly, remote sensing images…

Computer Vision and Pattern Recognition · Computer Science 2018-10-22 Han Liu , Dan Zeng , Qi Tian

Modern climate projections often suffer from inadequate spatial and temporal resolution due to computational limitations, resulting in inaccurate representations of sub-grid processes. A promising technique to address this is the Multiscale…

The aim of this study is to compare two supervised classification methods on a crucial meteorological problem. The data consist of satellite measurements of cloud systems which are to be classified either in convective or non convective…

Applications · Statistics 2008-12-18 Anne Ruiz , Nathalie Villa

Current observations taken by James Webb Space Telescope (JWST) allow us to observe the absorption features of icy mantles that cover interstellar dust grains, which are mainly composed of $\mathrm{H_2O}$, $\mathrm{CO}$, and…

We present a novel two-stage approach which combines unsupervised and supervised machine learning to automatically identify and classify single pulses in radio pulsar search data. In the first stage, we identify astrophysical pulse…

Instrumentation and Methods for Astrophysics · Physics 2018-08-07 Di Pang , Katerina Goseva-Popstojanova , Thomas Devine , Maura McLaughlin

Large bias exists in shortwave cloud radiative effect (SWCRE) of general circulation models (GCMs), attributed mainly to the combined effect of cloud fraction and water contents, whose representations in models remain challenging. Here we…

Atmospheric and Oceanic Physics · Physics 2025-06-30 Hongtao Yang , Guoxing Chen , Wei-Chyung Wang , Qing Bao , Jiandong Li

Multiple classifier system (MCS) has become a successful alternative for improving classification performance. However, studies have shown inconsistent results for different MCSs, and it is often difficult to predict which MCS algorithm…

Machine Learning · Computer Science 2019-08-01 Zhen Gao , Maryam Zand , Jianhua Ruan

Computer vision and machine learning tools offer an exciting new way for automatically analyzing and categorizing information from complex computer simulations. Here we design an ensemble machine learning framework that can independently…

Computer Vision and Pattern Recognition · Computer Science 2021-09-06 Maarja Bussov , Joonas Nättilä

Clouds play an important role in the Earth's energy budget and their behavior is one of the largest uncertainties in future climate projections. Satellite observations should help in understanding cloud responses, but decades and petabytes…

Atmospheric and Oceanic Physics · Physics 2022-11-15 Takuya Kurihana , Elisabeth Moyer , Ian Foster

Digital Twins, virtual replicas of physical systems that enable real-time monitoring, model updates, predictions, and decision-making, present novel avenues for proactive control strategies for autonomous systems. However, achieving…

Systems and Control · Electrical Eng. & Systems 2025-05-08 Yi-Ping Chen , Ying-Kuan Tsai , Vispi Karkaria , Wei Chen

Global Storm-Resolving Models (GSRMs) have gained widespread interest because of the unprecedented detail with which they resolve the global climate. However, it remains difficult to quantify objective differences in how GSRMs resolve…

Atmospheric and Oceanic Physics · Physics 2023-12-05 Griffin Mooers , Mike Pritchard , Tom Beucler , Prakhar Srivastava , Harshini Mangipudi , Liran Peng , Pierre Gentine , Stephan Mandt

Effective channel estimation in sparse and high-dimensional environments is essential for next-generation wireless systems, particularly in large-scale MIMO deployments. This paper introduces a novel framework that leverages digital twins…

Signal Processing · Electrical Eng. & Systems 2025-04-10 Sadjad Alikhani , Ahmed Alkhateeb

Subspace clustering refers to the problem of clustering high-dimensional data into a union of low-dimensional subspaces. Current subspace clustering approaches are usually based on a two-stage framework. In the first stage, an affinity…

Machine Learning · Computer Science 2019-10-22 Shuai Yang , Wenqi Zhu , Yuesheng Zhu

This study explores the use of a digital twin model and deep learning method to build a global terrain and altitude map based on USGS information. The goal is to artistically represent various landforms while incorporating precise elevation…

Image and Video Processing · Electrical Eng. & Systems 2023-05-25 Mohsen Ahmadi , Ahmad Gholizadeh Lonbar , Mohammadsadegh Nouri , Amir Sharifzadeh Javidi , Ali Tarlani Beris , Abbas Sharifi , Ali Salimi-Tarazouj

Clouds classification is a great challenge in meteorological research. The different types of clouds, currently known and present in our skies, can produce radioactive effects that impact on the variation of atmospheric conditions, with the…

Image and Video Processing · Electrical Eng. & Systems 2021-03-09 Mario Manzo , Simone Pellino

A closed and predictive particle cloud tracer method is presented. The tracer builds upon the Subgrid Particle Averaged Reynolds Stress Equivalent (SPARSE) formulation first introduced in [Davis et al., Proceedings of the Royal Society A,…

Fluid Dynamics · Physics 2022-06-06 Daniel Domínguez-Vázquez , Bjoern F. Klose , Gustaaf B. Jacobs

Digital twins have recently gained significant interest in simulation, optimization, and predictive maintenance of Industrial Control Systems (ICS). Recent studies discuss the possibility of using digital twins for intrusion detection in…

Cryptography and Security · Computer Science 2022-07-21 Seba Anna Varghese , Alireza Dehlaghi Ghadim , Ali Balador , Zahra Alimadadi , Panos Papadimitratos

Detecting clouds and snow in remote sensing images is an essential preprocessing task for remote sensing imagery. Previous works draw inspiration from semantic segmentation models in computer vision, with most research focusing on improving…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Zili Liu , Hao Chen , Wenyuan Li , Keyan Chen , Zipeng Qi , Chenyang Liu , Zhengxia Zou , Zhenwei Shi

Monitoring remote forests is a global challenge central to climate mitigation and biodiversity conservation, yet satellite observations are frequently limited by weather, dense canopies, and solar dependency. Here we show that passive…

This work develops a methodology for creating a data-driven digital twin from a library of physics-based models representing various asset states. The digital twin is updated using interpretable machine learning. Specifically, we use…

Computational Engineering, Finance, and Science · Computer Science 2020-04-30 Michael G. Kapteyn , Karen E. Willcox