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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…

太阳与恒星天体物理 · 物理学 2020-08-05 Shamik Bhattacharjee , Rasha Alshehhi , Dattaraj B. Dhuri , Shravan M. Hanasoge

Convolutional neural networks (CNNs) have become popular especially in computer vision in the last few years because they achieved outstanding performance on different tasks, such as image classifications. We propose a nine-layer CNN for…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Christoph Wick , Frank Puppe

Imaging observations of the solar lower atmosphere by the Atmosphere Imaging Assembly (AIA) have been mostly used as the context, and their quantitative information has been much less explored. The chromosphere responds rapidly to energy…

太阳与恒星天体物理 · 物理学 2025-05-21 Jiong Qiu , Rhiannon Fleming

Identifying species of trees in aerial images is essential for land-use classification, plantation monitoring, and impact assessment of natural disasters. The manual identification of trees in aerial images is tedious, costly, and…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Italos Estilon de Souza , Alexandre Xavier Falcão

Current post-processing techniques for the correction of atmospheric seeing in solar observations -- such as Speckle interferometry and Phase Diversity methods -- have limitations when it comes to their reconstructive capabilities of solar…

太阳与恒星天体物理 · 物理学 2020-12-09 John A. Armstrong , Lyndsay Fletcher

Solar energy is one of the most dependable renewable energy technologies, as it is feasible almost everywhere globally. However, improving the efficiency of a solar PV system remains a significant challenge. To enhance the robustness of the…

图像与视频处理 · 电气工程与系统科学 2026-03-02 Maryam Paparimoghadamborazjani , Amin Kazemi

We present a novel method of classifying Type Ia supernovae using convolutional neural networks, a neural network framework typically used for image recognition. Our model is trained on photometric information only, eliminating the need for…

天体物理仪器与方法 · 物理学 2021-11-10 Helen Qu , Masao Sako , Anais Möller , Cyrille Doux

Solar activity plays a quintessential role in influencing the interplanetary medium and space-weather around the Earth. Remote sensing instruments onboard heliophysics space missions provide a pool of information about the Sun's activity…

We developed a solar flare prediction model using a deep neural network (DNN), named Deep Flare Net (DeFN). The model can calculate the probability of flares occurring in the following 24 h in each active region, which is used to determine…

太阳与恒星天体物理 · 物理学 2018-05-23 Naoto Nishizuka , Komei Sugiura , Yuki Kubo , Mitsue Den , Mamoru Ishii

This article implements a Convolutional Neural Network (CNN)-based deep learning model for solar-wind prediction. Images from the Atmospheric Imaging Assembly (AIA) at 193\.A wavelength are used for training. Solar-wind speed is taken from…

太阳与恒星天体物理 · 物理学 2021-09-15 Hemapriya Raju , Saurabh Das

A convolutional neural network (CNN) is used to construct a new catalog for solar flares based on high resolution (1-s cadence) Geostationary Operational Environmental Satellites (GOES) soft X-ray data. The CNN is trained to identify flare…

太阳与恒星天体物理 · 物理学 2026-04-13 Nastaran Farhang , Michael. S. Wheatland , Andrew Melatos

Recent interest in on-orbit servicing and Active Debris Removal (ADR) missions have driven the need for technologies to enable non-cooperative rendezvous manoeuvres. Such manoeuvres put heavy burden on the perception capabilities of a…

计算机视觉与模式识别 · 计算机科学 2021-05-31 Maxwell Hogan , Duarte Rondao , Nabil Aouf , Olivier Dubois-Matra

Friction Stir Welding is a robust joining process, and numerous AI-based algorithms are being developed in this field to enhance mechanical and microstructure properties. Convolutional Neural Networks (CNNs) are Artificial Neural Networks…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Akshansh Mishra , Asmita Suman , Devarrishi Dixit

In image processing, it is essential to detect and track air targets, especially UAVs. In this paper, we detect the flying drone using a fisheye camera. In the field of diagnosis and classification of objects, there are always many problems…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Fatemeh Mahdavi , Roozbeh Rajabi

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…

太阳与恒星天体物理 · 物理学 2022-01-19 Vlad Landa , Yuval Reuveni

A solar active region can significantly disrupt the Sun Earth space environment, often leading to severe space weather events such as solar flares and coronal mass ejections. As a consequence, the automatic classification of active region…

太阳与恒星天体物理 · 物理学 2024-10-24 Edoardo Legnaro , Sabrina Guastavino , Michele Piana , Anna Maria Massone

For image classification problems, various neural network models are commonly used due to their success in yielding high accuracies. Convolutional Neural Network (CNN) is one of the most frequently used deep learning methods for image…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Ilkay Sikdokur , Inci Baytas , Arda Yurdakul

This paper investigates the problem of classification of unmanned aerial vehicles (UAVs) from radio frequency (RF) fingerprints at the low signal-to-noise ratio (SNR) regime. We use convolutional neural networks (CNNs) trained with both RF…

信号处理 · 电气工程与系统科学 2020-09-22 Ender Ozturk , Fatih Erden , Ismail Guvenc

Direction of arrival (DoA) estimation of targets improves with the number of elements employed by a phased array radar antenna. Since larger arrays have high associated cost, area and computational load, there is recent interest in thinning…

信号处理 · 电气工程与系统科学 2019-02-05 Ahmet M. Elbir , Kumar Vijay Mishra , Yonina C. Eldar

An important part of breast cancer staging is the assessment of the sentinel axillary node for early signs of tumor spreading. However, this assessment by pathologists is not always easy and retrospective surveys often requalify the status…

定量方法 · 定量生物学 2024-04-30 Eric Bonnet
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