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Space weather phenomena such as solar flares, have massive destructive power when reaches certain amount of magnitude. Such high magnitude solar flare event can interfere space-earth radio communications and neutralize space-earth…

Solar and Stellar Astrophysics · Physics 2022-01-19 Vlad Landa , Yuval Reuveni

Solar flares are explosions in the solar atmosphere that release intense bursts of short-wavelength radiation and are capable of producing severe space-weather consequences. Flares release free energy built up in coronal fields, which are…

Solar and Stellar Astrophysics · Physics 2020-08-05 Shamik Bhattacharjee , Rasha Alshehhi , Dattaraj B. Dhuri , Shravan M. Hanasoge

We present our 500 pc distance-limited study of stellar fares using the Dark Energy Camera as part of the Deeper, Wider, Faster Program. The data was collected via continuous 20-second cadence g band imaging and we identify 19,914 sources…

Stellar flare events are critical observational samples for astronomical research; however, recorded flare events remain limited. Stellar flare forecasting can provide additional flare event samples to support research efforts. Despite this…

Solar and Stellar Astrophysics · Physics 2025-05-23 Bingke Zhu , Xiaoxiao Wang , Minghui Jia , Yihan Tao , Xiao Kong , Ali Luo , Yingying Chen , Ming Tang , Jinqiao Wang

Fully convolutional networks (FCN) has significantly improved the performance of many pixel-labeling tasks, such as semantic segmentation and depth estimation. However, it still remains non-trivial to thoroughly utilize the multi-level…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Yunzhi Zhuge , Pingping Zhang , Huchuan Lu

The detection of abnormal behaviours in crowded scenes has to deal with many challenges. This paper presents an efficient method for detection and localization of anomalies in videos. Using fully convolutional neural networks (FCNs) and…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Mohammad Sabokrou , Mohsen Fayyaz , Mahmood Fathy , Zahra Moayedd , Reinhard klette

This research addresses the pressing challenge of enhancing processing times and detection capabilities in Unmanned Aerial Vehicle (UAV)/drone imagery for global wildfire detection, despite limited datasets. Proposing a Segmented Neural…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Aditya V. Jonnalagadda , Hashim A. Hashim

In order to efficiently analyse the vast amount of data generated by solar space missions and ground-base instruments, modern machine learning techniques such as decision trees, support vector machines (SVMs) and neural networks can be very…

Solar and Stellar Astrophysics · Physics 2020-05-28 Teri Love , Thomas Neukirch , Clare E. Parnell

Point cloud classification plays an important role in a wide range of airborne light detection and ranging (LiDAR) applications, such as topographic mapping, forest monitoring, power line detection, and road detection. However, due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Congcong Wen , Lina Yang , Ling Peng , Xiang Li , Tianhe Chi

With the fast evolvement of embedded deep-learning computing systems, applications powered by deep learning are moving from the cloud to the edge. When deploying neural networks (NNs) onto the devices under complex environments, there are…

Signal Processing · Electrical Eng. & Systems 2021-04-13 Xuefei Ning , Guangjun Ge , Wenshuo Li , Zhenhua Zhu , Yin Zheng , Xiaoming Chen , Zhen Gao , Yu Wang , Huazhong Yang

Forthcoming imaging surveys will potentially increase the number of known galaxy-scale strong lenses by several orders of magnitude. For this to happen, images of tens of millions of galaxies will have to be inspected to identify potential…

Astrophysics of Galaxies · Physics 2024-01-29 Euclid Collaboration , L. Leuzzi , M. Meneghetti , G. Angora , R. B. Metcalf , L. Moscardini , P. Rosati , P. Bergamini , F. Calura , B. Clément , R. Gavazzi , F. Gentile , M. Lochner , C. Grillo , G. Vernardos , N. Aghanim , A. Amara , L. Amendola , S. Andreon , N. Auricchio , S. Bardelli , C. Bodendorf , D. Bonino , E. Branchini , M. Brescia , J. Brinchmann , S. Camera , V. Capobianco , C. Carbone , J. Carretero , S. Casas , M. Castellano , S. Cavuoti , A. Cimatti , R. Cledassou , G. Congedo , C. J. Conselice , L. Conversi , Y. Copin , L. Corcione , F. Courbin , H. M. Courtois , M. Cropper , A. Da Silva , H. Degaudenzi , J. Dinis , F. Dubath , X. Dupac , S. Dusini , M. Farina , S. Farrens , S. Ferriol , M. Frailis , E. Franceschi , M. Fumana , S. Galeotta , B. Gillis , C. Giocoli , A. Grazian , F. Grupp , L. Guzzo , S. V. H. Haugan , W. Holmes , I. Hook , F. Hormuth , A. Hornstrup , P. Hudelot , K. Jahnke , B. Joachimi , M. Kümmel , E. Keihänen , S. Kermiche , A. Kiessling , T. Kitching , M. Kunz , H. Kurki-Suonio , P. B. Lilje , V. Lindholm , I. Lloro , D. Maino , E. Maiorano , O. Mansutti , O. Marggraf , K. Markovic , N. Martinet , F. Marulli , R. Massey , E. Medinaceli , S. Mei , M. Melchior , Y. Mellier , E. Merlin , G. Meylan , M. Moresco , E. Munari , S. -M. Niemi , J. W. Nightingale , T. Nutma , C. Padilla , S. Paltani , F. Pasian , K. Pedersen , V. Pettorino , S. Pires , G. Polenta , M. Poncet , F. Raison , A. Renzi , J. Rhodes , G. Riccio , E. Romelli , M. Roncarelli , E. Rossetti , R. Saglia , D. Sapone , B. Sartoris , M. Schirmer , P. Schneider , A. Secroun , G. Seidel , S. Serrano , C. Sirignano , G. Sirri , L. Stanco , P. Tallada-Crespí , A. N. Taylor , I. Tereno , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , L. Valenziano , T. Vassallo , A. Veropalumbo , Y. Wang , J. Weller , G. Zamorani , J. Zoubian , E. Zucca , A. Boucaud , E. Bozzo , C. Colodro-Conde , D. Di Ferdinando , R. Farinelli , J. Graciá-Carpio , N. Mauri , C. Neissner , V. Scottez , M. Tenti , A. Tramacere , Y. Akrami , V. Allevato , C. Baccigalupi , M. Ballardini , F. Bernardeau , A. Biviano , S. Borgani , A. S. Borlaff , H. Bretonnière , C. Burigana , R. Cabanac , A. Cappi , C. S. Carvalho , G. Castignani , T. Castro , K. C. Chambers , A. R. Cooray , J. Coupon , S. Davini , S. de la Torre , G. De Lucia , G. Desprez , S. Di Domizio , H. Dole , J. A. Escartin Vigo , S. Escoffier , I. Ferrero , L. Gabarra , K. Ganga , J. Garcia-Bellido , E. Gaztanaga , K. George , G. Gozaliasl , H. Hildebrandt , M. Huertas-Company , J. J. E. Kajava , V. Kansal , C. C. Kirkpatrick , L. Legrand , A. Loureiro , M. Magliocchetti , G. Mainetti , R. Maoli , M. Martinelli , C. J. A. P. Martins , S. Matthew , L. Maurin , P. Monaco , G. Morgante , S. Nadathur , A. A. Nucita , M. Pöntinen , L. Patrizii , V. Popa , C. Porciani , D. Potter , P. Reimberg , A. G. Sánchez , Z. Sakr , A. Schneider , M. Sereno , P. Simon , A. Spurio Mancini , J. Stadel , J. Steinwagner , R. Teyssier , J. Valiviita , M. Viel , I. A. Zinchenko , H. Domínguez Sánchez

In this work we explore different Convolutional Neural Network (CNN) architectures and their variants for non-temporal binary fire detection and localization in video or still imagery. We consider the performance of experimentally defined,…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Ganesh Samarth C. A. , Neelanjan Bhowmik , Toby P. Breckon

In this paper, a 3D patch-based fully dense and fully convolutional network (FD-FCN) is proposed for fast and accurate segmentation of subcortical structures in T1-weighted magnetic resonance images. Developed from the seminal FCN with an…

Image and Video Processing · Electrical Eng. & Systems 2020-05-01 Binbin Yang , Weiwei Zhang

Automatic visual fire detection is used to complement traditional fire detection sensor systems (smoke/heat). In this work, we investigate different Convolutional Neural Network (CNN) architectures and their variants for the non-temporal…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 William Thomson , Neelanjan Bhowmik , Toby P. Breckon

Flare, an optical phenomenon resulting from unwanted scattering and reflections within a lens system, presents a significant challenge in imaging. The diverse patterns of flares, such as halos, streaks, color bleeding, and haze, complicate…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Gopi Raju Matta , Rahul Siddartha , Rongali Simhachala Venkata Girish , Sumit Sharma , Kaushik Mitra

We present the results of a search for stellar flares in the first data release from the Next Generation Transit Survey (NGTS). We have found 610 flares from 339 stars, with spectral types between F8 and M6, the majority of which belong to…

Face anti-spoofing (FAS) plays a vital role in face recognition systems. Most state-of-the-art FAS methods 1) rely on stacked convolutions and expert-designed network, which is weak in describing detailed fine-grained information and easily…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Zitong Yu , Chenxu Zhao , Zezheng Wang , Yunxiao Qin , Zhuo Su , Xiaobai Li , Feng Zhou , Guoying Zhao

We present a comprehensive multiwavelength investigation into flares and activity in nearby M~dwarf stars. We leverage the most extensive contemporaneous dataset obtained through the Transiting Exoplanet Sky Survey (TESS), Kepler/K2, the…

A homogeneous search for stellar flares has been performed using every available Kepler light curve. An iterative light curve de-trending approach was used to filter out both astrophysical and systematic variability to detect flares. The…

Solar and Stellar Astrophysics · Physics 2016-09-28 James R. A. Davenport

Stellar variability is a limiting factor for planet detection and characterization, particularly around active M-type stars. Here we revisit one of the most active stars from the Kepler mission, the M4 star GJ 1243, and use a sample of 414…

Solar and Stellar Astrophysics · Physics 2022-05-13 Guadalupe Tovar Mendoza , James R. A. Davenport , Eric Agol , James A. G. Jackman , Suzanne L. Hawley