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Global extreme ultraviolet (EUV) waves are spectacular traveling disturbances in the solar corona associated with energetic eruptions such as coronal mass ejections (CMEs) and flares. Over the past 15 years, observations from three…

Solar and Stellar Astrophysics · Physics 2014-05-07 Wei Liu , Leon Ofman

The Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO) returns high-resolution images of the solar atmosphere in seven extreme ultraviolet (EUV) wavelength channels. The images are processed on the ground to…

Solar and Stellar Astrophysics · Physics 2022-01-05 Peter R. Young , Nicholeen M. Viall , Michael S. Kirk , Emily I. Mason , Lakshmi Pradeep Chitta

High-energy radiation from the Sun governs the behavior of Earth's upper atmosphere and such radiation from any planet-hosting star can drive the long-term evolution of a planetary atmosphere. However, much of this radiation is unobservable…

Solar and Stellar Astrophysics · Physics 2021-04-14 Anthony L. Pineci , Peter Sadowski , Eric Gaidos , Xudong Sun

In-order to understand the results of recent observations of exoplanets, models have become increasingly complex. Unfortunately this increases both the computational cost and output size of said models. We intend to explore if…

Earth and Planetary Astrophysics · Physics 2023-09-20 F. Sainsbury-Martinez , P. Tremblin , M. Mancip , S. Donfack , E. Honore , M. Bourenane

The calibration of weather radar for detecting meteorological phenomena has advanced rapidly, aiming to enhance accuracy. Utilizing an unmanned aerial vehicle (UAV) equipped with a suspended metal sphere introduces an efficient calibration…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Jiabiao Zhao , Da Li , Jiayuan Cui , Houjun Sun , Jianjun Ma

Convolutional neural networks (CNNs) can potentially provide powerful tools for classifying and identifying patterns in climate and environmental data. However, because of the inherent complexities of such data, which are often…

Atmospheric and Oceanic Physics · Physics 2020-03-03 Ashesh Chattopadhyay , Pedram Hassanzadeh , Saba Pasha

NASA's Solar Dynamics Observatory (SDO) mission gathers 1.4 terabytes of data each day from its geosynchronous orbit in space. SDO data includes images of the Sun captured at different wavelengths, with the primary scientific goal of…

Image and Video Processing · Electrical Eng. & Systems 2023-05-05 Ali Zafari , Atefeh Khoshkhahtinat , Piyush M. Mehta , Nasser M. Nasrabadi , Barbara J. Thompson , Daniel da Silva , Michael S. F. Kirk

We demonstrate the use of machine learning algorithms in combination with segmentation techniques in order to distinguish coronal holes and filaments in SDO/AIA EUV images of the Sun. Based on two coronal hole detection techniques…

The multi-wavelength data from the Solar Dynamics Observatory (SDO) is extensively used in studying the physics of the Sun and its atmosphere. In this study, we estimate the formation heights of low-corona and chromospheric channels of the…

Solar and Stellar Astrophysics · Physics 2024-11-08 Y. Sanjay , S. Krishna Prasad , R. Erdelyi , M. B. Korsos , D. Banerjee , P. S. Rawat

Solar prominences are dynamic structures suspended within the solar corona and are manifestation of solar activity. Their evolution includes eruptions linked to coronal mass ejections, making their detection critical for space weather…

Solar and Stellar Astrophysics · Physics 2026-05-22 Harry Birch , Stéphane Régnier , Richard Morton

We investigate the absolute calibration of the EUV Imaging Spectrometer (EIS) on Hinode by comparing EIS full-disk mosaics with irradiance observations from the EUV Variability Experiment (EVE) on the Solar Dynamics Observatory. We also use…

Solar and Stellar Astrophysics · Physics 2015-06-17 Harry P. Warren , Ignacio Ugarte-Urra , Enrico Landi

The Atmospheric Imaging Assembly (AIA) and the Exteme-ultraviolet Variability Experiment (EVE) onboard the Solar Dynamics Observatory include spectral windows in the X-ray/EUV band. Accuracy and completeness of the atomic data in this…

Solar and Stellar Astrophysics · Physics 2015-05-30 Paola Testa , Jeremy J. Drake , Enrico Landi

ESA's PROBA-V Earth observation satellite enables us to monitor our planet at a large scale, studying the interaction between vegetation and climate and provides guidance for important decisions on our common global future. However, the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Marcus Märtens , Dario Izzo , Andrej Krzic , Daniël Cox

Ultrasound imaging is a commonly used technology for visualising patient anatomy in real-time during diagnostic and therapeutic procedures. High operator dependency and low reproducibility make ultrasound imaging and interpretation…

To understand its evolution and the effects of its eruptive events, the Sun is permanently monitored by multiple satellite missions. The optically-thin emission of the solar plasma and the limited number of viewpoints make it challenging to…

Convolutional neural networks (CNN) have proven to be state of the art methods for many image classification tasks and their use is rapidly increasing in remote sensing problems. One of their major strengths is that, when enough data is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Gonzalo Mateo-García , Luis Gómez-Chova , Gustau Camps-Valls

EUV images of solar flares provided by the Atmospheric Imaging Assembly onboard the Solar Dynamics Observatory (SDO/AIA) are often affected by saturation effects in their core, physically most interesting region. We introduce an image…

Solar and Stellar Astrophysics · Physics 2014-07-29 Richard A Schwartz , Gabriele Torre , Michele Piana

The Infrared Atmospheric Sounding Interferometer (IASI) on board the MetOp satellite series provides important measurements for Numerical Weather Prediction (NWP). Retrieving accurate atmospheric parameters from the raw data provided by…

Atmospheric and Oceanic Physics · Physics 2020-12-21 David Malmgren-Hansen , Allan Aasbjerg Nielsen , Valero Laparra , Gustau Camps- Valls

Timely and accurate detection of defects and contaminants in solar panels is critical for maintaining the efficiency and reliability of photovoltaic (PV) systems. While recent studies have applied deep learning to PV inspection, fair…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Ashen Rodrigo , Isuru Munasinghe , Pubudu Sanjeewani , Asanka Perera

During non-flaring times, the radio flux of the Sun at the wavelength of a few centimeters to several tens of centimeters mostly originates from the thermal bremsstrahlung emission, very similar to the EUV radiation. Owing to such a…

Solar and Stellar Astrophysics · Physics 2020-03-11 Z. F. Li , S. H. Hua , X. Cheng , M. D. Ding