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Masked Image Modeling (MIM) has become an essential method for building foundational visual models in remote sensing (RS). However, the limitations in size and diversity of existing RS datasets restrict the ability of MIM methods to learn…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Fengxiang Wang , Hongzhen Wang , Di Wang , Zonghao Guo , Zhenyu Zhong , Long Lan , Wenjing Yang , Jing Zhang

The arrival time prediction of Coronal mass ejections (CMEs) is an area of active research. Many methods with varying levels of complexity have been developed to predict CME arrival. However, the mean absolute error (MAE) of predictions…

We employ a three-dimensional (3D) reconstruction technique, for the first time to study the kinematics of six coronal mass ejections (CMEs), using images obtained from the COR1 and COR2 coronagraphs on board the twin STEREO spacecraft, as…

Solar and Stellar Astrophysics · Physics 2022-09-14 Anand D Joshi , Nandita Srivastava

Accurate estimation of propagation characteristics of coronal mass ejections (CMEs) is crucial for predicting their geoeffectiveness. Stereoscopic techniques to study the kinematics of CMEs generally have been carried out using remote…

Solar and Stellar Astrophysics · Physics 2026-02-19 Sandeep Kumar , Nandita Srivastava , Parthib Banerjee , Nat Gopalswamy

We identify coronal mass ejections (CMEs) associated with magnetic clouds (MCs) observed near Earth by the Wind spacecraft from 2008 to mid-2012, a time period when the two STEREO spacecraft were well positioned to study Earth-directed…

Coronal mass ejections (CMEs) are the largest-scale eruptive phenomena in the solar system. Associated with enormous plasma ejections and energy release, CMEs have an important impact on the solar-terrestrial environment. Accurate…

Solar and Stellar Astrophysics · Physics 2022-06-29 Zihao Yang , Hui Tian , Xianyong Bai , Yajie Chen , Yang Guo , Yingjie Zhu , Xin Cheng , Yuhang Gao , Yu Xu , Hechao Chen , Jiale Zhang

Interplanetary coronal mass ejections (ICMEs) have complex magnetic and density structures, which is the result of their interaction with the structured solar wind and with previous eruptions. ICMEs are revealed by in situ measurements and…

Solar and Stellar Astrophysics · Physics 2011-06-06 N. Lugaz , I. I. Roussev

Object detection is a trendy branch of computer vision, especially on human recognition and pedestrian detection. Recognizing the complete body of a person has always been a difficult problem. Over the years, researchers proposed various…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Asati Minkesh , Kraittipong Worranitta , Miyachi Taizo

We present the application of novel diagnostics to the spectroscopic observation of a Coronal Mass Ejection (CME) on disk by the Extreme Ultraviolet Imaging Spectrometer (EIS) on the Hinode spacecraft. We apply a recently developed line…

Solar and Stellar Astrophysics · Physics 2010-08-31 S. W. McIntosh , B. De Pontieu , R. J. Leamon

Coronal Holes (CHs) are regions of open magnetic field lines, resulting in high speed solar wind. Accurate detection of CHs is vital for space weather prediction. This paper presents an intramethod ensemble for coronal hole detection based…

Solar and Stellar Astrophysics · Physics 2024-11-08 Jeremy A. Grajeda , Laura E. Boucheron , Michael S. Kirk , Andrew Leisner , C. Nick Arge

Detection of buildings and other objects from aerial images has various applications in urban planning and map making. Automated building detection from aerial imagery is a challenging task, as it is prone to varying lighting conditions,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Clint Sebastian , Bas Boom , Thijs van Lankveld , Egor Bondarev , Peter H. N. De With

An onboard automated coronal mass ejections (CMEs) detection algorithm has been developed for Visible Emission Line Coronagraph (VELC) onboard ADITYA-L1. The aim of this algorithm is to reduce the load on telemetry by sending the high…

Solar and Stellar Astrophysics · Physics 2019-01-30 Ritesh Patel , K. Amareswari , Vaibhav Pant , Dipankar Banerjee , K. Sankarasubramanian

The existence of shocks driven by Coronal Mass Ejections (CMEs) has always been assumed based on the superalfvenic speeds for some of these events and on indirect evidence such as radio bursts and distant streamer deflections. However, the…

Solar and Stellar Astrophysics · Physics 2015-05-13 A. Vourlidas , V. Ontiveros

Recent publications have shown that the segmentation accuracy of modern-day convolutional neural networks (CNN) applied on cardiac MRI can reach the inter-expert variability, a great achievement in this area of research. However, despite…

Image and Video Processing · Electrical Eng. & Systems 2020-06-17 Nathan Painchaud , Youssef Skandarani , Thierry Judge , Olivier Bernard , Alain Lalande , Pierre-Marc Jodoin

Coronal Mass Ejections (CMEs) are immense eruptions of plasma and magnetic fields that are propelled outward from the Sun, sometimes with velocities greater than 2000 km/s. They are responsible for some of the most severe space weather at…

Solar and Stellar Astrophysics · Physics 2023-11-08 Jon Linker , Tibor Torok , Cooper Downs , Ronald Caplan , Viacheslav Titov , Andres Reyes , Roberto Lionello , Pete Riley

Context. Studying the kinematic and dynamic evolution of fast eruptive events from the middle to high solar corona is a primary objective of the Metis coronagraph on Solar Orbiter. During perihelion, Metis acquires visible light images at a…

Coronal mass ejections (CMEs) are magnetized plasma systems with highly complex magnetic topology and evolution. Methods developed to assess their magnetic configuration have primarily focused on reconstructing three-dimensional…

Space Physics · Physics 2024-08-09 Nada Al-Haddad , Mitchell Berger

We present an advance towards accurately predicting the arrivals of coronal mass ejections (CMEs) at the terrestrial planets, including Earth. For the first time, we are able to assess a CME prediction model using data over 2/3 of a solar…

Of all the activity observed on the Sun, two of the most energetic events are flares and Coronal Mass Ejections (CMEs). Usually, solar active regions that produce large flares will also produce a CME, but this is not always true (Yashiro et…

Solar and Stellar Astrophysics · Physics 2016-04-25 Monica G. Bobra , Stathis Ilonidis

How to properly understand coronal mass ejections (CMEs) viewed in white-light coronagraphs is crucial to many relative researches in solar and space physics. The issue is now particularly addressed in this paper through studying the source…

Solar and Stellar Astrophysics · Physics 2011-04-12 Yuming Wang , Caixia Chen , Bin Gui , Chenglong Shen , Pinzhong Ye , S. Wang
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