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Understanding the role of magnetic reconnection in the heating and dynamics of the solar atmosphere requires detailed observational data of any observable aspect of the reconnection process, including small-scale features such as plasmoids.…

Solar and Stellar Astrophysics · Physics 2024-07-17 Ø. H. Færder , D. Nóbrega-Siverio , M. Carlsson , J. Martínez-Sykora

Extreme ultraviolet (EUV) waves are large-scale propagating disturbances observed in the solar corona, frequently associated with coronal mass ejections and flares. They appear as faint, extended structures propagating from a source region…

Coronal cavities, often associated with prominences, are crucial structures in understanding coronal heating and the eruption mechanism of Coronal Mass Ejections (CMEs). Previous studies have identified their lower density, higher…

Solar and Stellar Astrophysics · Physics 2025-12-23 Chenxi Huangfu , Hui Fu , Bo Li , ZhengHua Huang , MingZhe Sun , WeiXin Liu , XiaoYu Yu , LiDong Xia

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…

Instrumentation and Methods for Astrophysics · Physics 2021-01-01 Shashwat Singh , Ankul Prajapati , Kamlesh N Pathak

Detection of small, undetermined moving objects or objects in an occluded environment with a cluttered background is the main problem of computer vision. This greatly affects the detection accuracy of deep learning models. To overcome these…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Syed Muhammad Aamir , Hongbin Ma , Malak Abid Ali Khan , Muhammad Aaqib

Increasing deployment of photovoltaic (PV) plants requires methods for automatic detection of faulty PV modules in modalities, such as infrared (IR) images. Recently, deep learning has become popular for this. However, related works…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Lukas Bommes , Mathis Hoffmann , Claudia Buerhop-Lutz , Tobias Pickel , Jens Hauch , Christoph Brabec , Andreas Maier , Ian Marius Peters

Unmanned Aerial Vehicles (UAVs) are becoming more popular in various sectors, offering many benefits, yet introducing significant challenges to privacy and safety. This paper investigates state-of-the-art solutions for detecting and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Mohssen E. Elshaar , Zeyad M. Manaa , Mohammed R. Elbalshy , Abdul Jabbar Siddiqui , Ayman M. Abdallah

We used data from the Helioseismic and Magnetic Imager (HMI), and Atmospheric Imaging Assembly (AIA) on the \textit{Solar Dynamics Observatory} (SDO) to study coronal loops at small scales, emerging in the quiet Sun. With HMI line-of-sight…

Solar and Stellar Astrophysics · Physics 2013-04-15 LP. Chitta , R. Kariyappa , A. A. van Ballegooijen , E. E. DeLuca , S. S. Hasan , A. Hanslmeier

Magnetic tornadoes, characterized as impulsive Alfven waves initiated by photospheric vortices in intergranular lanes, are considered efficient energy channels to the corona. Despite their acknowledged importance for solar coronal heating,…

Solar and Stellar Astrophysics · Physics 2024-07-03 Hidetaka Kuniyoshi , Souvik Bose , Takaaki Yokoyama

The study of astronomical phenomena through ground-based observations is always challenged by the distorting effects of Earth's atmosphere. Traditional methods of post-facto image correction, essential for correcting these distortions,…

Instrumentation and Methods for Astrophysics · Physics 2024-08-14 A. Asensio Ramos

For monitoring the night sky conditions, wide-angle all-sky cameras are used in most astronomical observatories to monitor the sky cloudiness. In this manuscript, we apply a deep-learning approach for automating the identification of…

Instrumentation and Methods for Astrophysics · Physics 2025-03-25 Mohammad H. Zhoolideh Haghighi , Alireza Ghasrimanesh , Habib Khosroshahi

Vehicular object detection is the heart of any intelligent traffic system. It is essential for urban traffic management. R-CNN, Fast R-CNN, Faster R-CNN and YOLO were some of the earlier state-of-the-art models. Region based CNN methods…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Raian Rahman , Zadid Bin Azad , Md. Bakhtiar Hasan

Next-generation particle accelerators demand advanced beam-diagnostic capabilities to ensure high performance, operational reliability, and sustainable machine operation. Increasing beam intensities and stored energies make the precise…

Accelerator Physics · Physics 2026-03-10 Francis René Osswald , Mohammed Chahbaoui , Xinyi Liang

Solar magnetic activity produces extreme solar flares and coronal mass ejections, which pose grave threats to electronic infrastructure and can significantly disrupt economic activity. It is therefore important to appreciate the triggers of…

Solar and Stellar Astrophysics · Physics 2022-11-09 Dattaraj B. Dhuri , Shamik Bhattacharjee , Shravan M. Hanasoge , Sashi Kiran Mahapatra

The Coronal Multi-channel Polarimeter (CoMP) obtains daily full-Sun above-the-limb coronal observations in linear polarization, allowing for the first time a diagnostic of the coronal magnetic field direction in quiescent prominence…

Solar and Stellar Astrophysics · Physics 2015-06-15 U. Bak-Steslicka , S. E. Gibson , Y. Fan , C. Bethge , B. Forland , L. A. Rachmeler

The morphology of circular polarisation profiles from solar spectropolarimetric observations encode information about the magnetic field strength, inclination, and line-of-sight velocity gradients. Previous studies used manual methods or…

Solar and Stellar Astrophysics · Physics 2025-05-21 Ryan James Campbell , Mihalis Mathioudakis , Carlos Quintero Noda , Peter Keys , David Orozco Suárez

Coronal holes are the source regions of the fast solar wind, which fills most of the solar system volume near the cycle minimum. Removing stray light from extreme ultraviolet (EUV) images of the Sun's corona is of high astrophysical…

Solar and Stellar Astrophysics · Physics 2013-02-05 Paul Shearer , Richard A. Frazin , Alfred O. Hero , Anna C. Gilbert

For a suite of fourteen core-collapse models during the dynamical first second after bounce, we calculate the detailed neutrino "light" curves expected in the underground neutrino observatories Super-Kamiokande, DUNE, JUNO, and IceCube.…

High Energy Astrophysical Phenomena · Physics 2018-08-15 Shaquann Seadrow , Adam Burrows , David Vartanyan , David Radice , M. Aaron Skinner

Context. Prominence eruptions provide key observations to understand the launch of coronal mass ejections as their cold plasma traces a part of the unstable magnetic configuration. Aims. We select a well observed case to derive…

Solar and Stellar Astrophysics · Physics 2021-03-24 Pooja Devi , Pascal Démoulin , Ramesh Chandra , Reetika Joshi , Brigitte Schmieder , Bhuwan Joshi

To create early warning capabilities for upcoming Space Weather disturbances, we have selected a dataset of 61 emerging active regions, which allows us to identify characteristic features in the evolution of acoustic power density to…

Solar and Stellar Astrophysics · Physics 2024-12-25 Spiridon Kasapis , Irina N. Kitiashvili , Alexander G. Kosovichev , John T. Stefan , Bhairavi Apte