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Among several heliophysical and geophysical quantities, the accurate evolution of the solar irradiance is fundamental to forecast the evolution of the neutral and ionized components of the Earth's atmosphere.We developed an artificial…

Solar and Stellar Astrophysics · Physics 2011-11-23 Luis Eduardo A. Vieira , Thierry Dudok de Wit , Matthieu Kretzschmar

High-accuracy positioning has become a fundamental enabler for intelligent connected devices. Nevertheless, the present wireless networks still rely on model-driven approaches to achieve positioning functionality, which are susceptible to…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Shengheng Liu , Xingkang Li , Zihuan Mao , Peng Liu , Yongming Huang

The Agile Earth Observation Satellite Scheduling Problem (AEOSSP) entails finding the subset of observation targets to be scheduled along the satellite's orbit while meeting operational constraints of time, energy and memory. The problem of…

Robotics · Computer Science 2025-06-13 Antonio M. Mercado-Martínez , Beatriz Soret , Antonio Jurado-Navas

The amount of available Earth observation data has increased dramatically in the recent years. Efficiently making use of the entire body information is a current challenge in remote sensing and demands for light-weight problem-agnostic…

Machine Learning · Computer Science 2020-10-26 Marc Rußwurm , Marco Körner

Machine learning researchers strive to develop better and better algorithms to solve computer vision problems, such as image classification. In recent years, the classification of micro-Doppler spectrograms has also benefited from these…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Arkadiusz Czuba

Instrumental aberrations strongly limit high-contrast imaging of exoplanets, especially when they produce quasistatic speckles in the science images. With the help of recent advances in deep learning, we have developed in previous works an…

Instrumentation and Methods for Astrophysics · Physics 2022-11-14 Maxime Quesnel , Gilles Orban de Xivry , Olivier Absil , Gilles Louppe

The upcoming Square Kilometer Array (SKA) telescope marks a significant step forward in radio astronomy, presenting new opportunities and challenges for data analysis. Traditional visual models pretrained on optical photography images may…

Instrumentation and Methods for Astrophysics · Physics 2024-11-25 Thomas Cecconello , Simone Riggi , Ugo Becciani , Fabio Vitello , Andrew M. Hopkins , Giuseppe Vizzari , Concetto Spampinato , Simone Palazzo

The recent advancements in deep learning have allowed for numerous applications in computed tomography (CT), with potential to improve diagnostic accuracy, speed of interpretation, and clinical efficiency. However, the deep learning…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Hyunkwang Lee , Myeongchan Kim , Synho Do

Unmanned Surface Vehicles (USVs) are pivotal in marine exploration, but their sensors' accuracy is compromised by the dynamic marine environment. Traditional calibration methods fall short in these conditions. This paper introduces a deep…

Robotics · Computer Science 2024-06-10 Yi Shen , Hao Liu , Chang Zhou , Wentao Wang , Zijun Gao , Qi Wang

Direction of arrival (DoA) estimation is a fundamental task in array processing. A popular family of DoA estimation algorithms are subspace methods, which operate by dividing the measurements into distinct signal and noise subspaces.…

Signal Processing · Electrical Eng. & Systems 2024-07-12 Dor H. Shmuel , Julian P. Merkofer , Guy Revach , Ruud J. G. van Sloun , Nir Shlezinger

Autonomous Underwater Vehicles (AUVs) conduct regular visual surveys of marine environments to characterise and monitor the composition and diversity of the benthos. The use of machine learning classifiers for this task is limited by the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Heather Doig , Oscar Pizarro , Stefan B. Williams

Solar flare prediction is a central problem in space weather forecasting and recent developments in machine learning and deep learning accelerated the adoption of complex models for data-driven solar flare forecasting. In this work, we…

Machine Learning · Computer Science 2023-09-12 Chetraj Pandey , Anli Ji , Rafal A. Angryk , Berkay Aydin

Despite the advances in the field of solar energy, improvements of solar forecasting techniques, addressing the intermittent electricity production, remain essential for securing its future integration into a wider energy supply. A…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Quentin Paletta , Joan Lasenby

In the last decade, much work in atmospheric science has focused on spatial verification (SV) methods for gridded prediction, which overcome serious disadvantages of pixelwise verification. However, neural networks (NN) in atmospheric…

Machine Learning · Computer Science 2022-12-08 Ryan Lagerquist , Imme Ebert-Uphoff

Gravitationally lensed supernovae (SNe) are extremely rare and fade quickly; as a result, they are challenging to detect. To identify lensed SNe in large imaging datasets, current surveys primarily rely on the {\it magnification} effect of…

Instrumentation and Methods for Astrophysics · Physics 2025-12-24 Fawad Kirmani , Arjun Karki , Steve Rodney , Kyle Lackey , Varsha P. Kulkarni , John R. Rose , Justin Pierel

NASA's Solar Dynamics Observatory (SDO) mission collects extensive data to monitor the Sun's daily activity. In the realm of space mission design, data compression plays a crucial role in addressing the challenges posed by limited telemetry…

Image and Video Processing · Electrical Eng. & Systems 2024-07-23 Atefeh Khoshkhahtinat , Ali Zafari , Piyush M. Mehta , Nasser M. Nasrabadi , Barbara J. Thompson , Michael S. F. Kirk , Daniel da Silva

Thermal anomaly detection in solar photovoltaic (PV) systems is essential for ensuring operational efficiency and reducing maintenance costs. In this study, we developed and named HOTSPOT-YOLO, a lightweight artificial intelligence (AI)…

Image and Video Processing · Electrical Eng. & Systems 2025-08-27 Mahmoud Dhimish

We present a MUSIC-based Direction of Arrival (DOA) estimation strategy using small antenna arrays, via employing deep learning for reconstructing the signals of a virtual large antenna array. Not only does the proposed strategy deliver…

Signal Processing · Electrical Eng. & Systems 2021-03-08 Aya Mostafa Ahmed , Udaya Sampath K. P. Miriya Thanthrige , Aly El Gamal , Aydin Sezgin

Inferring the three-dimensional (3D) solar atmospheric structures from observations is a critical task for advancing our understanding of the magnetic fields and electric currents that drive solar activity. In this work, we introduce a…

Detecting and mitigating Radio Frequency Interference (RFI) is critical for enabling and maximising the scientific output of radio telescopes. The emergence of machine learning methods has led to their application in radio astronomy, and in…

Instrumentation and Methods for Astrophysics · Physics 2026-01-23 Nicholas J. Pritchard , Andreas Wicenec , Mohammed Bennamoun , Richard Dodson