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Images of the extended solar corona, as observed by white-light coronagraphs as observed by different white-light coronagraphs include the K- and F-corona and suffer from a radial variation in intensity. These images require separation of…

Solar and Stellar Astrophysics · Physics 2022-03-09 Ritesh Patel , Satabdwa Majumdar , Vaibhav Pant , Dipankar Banerjee

SynCOM is a package of procedures written in IDL (Interactive Data Language) that simulates transient solar wind flows. Each function within SynCOM handles specific tasks, such as initializing parameters, generating synthetic profiles,…

Solar and Stellar Astrophysics · Physics 2024-10-03 Valmir Moraes Filho , Vadim Uritsky , Barbara Thompson , Sarah Gibson , Craig DeForest

The Synthetic Corona Outflow Model (SynCOM), an empirical model, simulates the solar corona's dynamics to match high-resolution observations, providing a useful resource for testing velocity measurement algorithms. SynCOM generates…

Solar and Stellar Astrophysics · Physics 2024-11-11 Valmir P. Moraes Filho , Vadim M. Uritsky , Barbara J. Thompson , Sarah E. Gibson , Craig E. DeForest

High-precision ground-based observations of the inner corona (1.05-2.0 R_sun) are fundamentally constrained by instrumental stray light, particularly the additive background from dynamic dust accumulation on the objective lens. To address…

Solar and Stellar Astrophysics · Physics 2026-05-14 Xiande Liu , Xuefei Zhang , Yu Liu , Tengfei Song , Mingyu Zhao , Mingzhe Sun , Feiyang Sha , Jun Fang

This paper summarizes and presents PulsatioMech: an open-source MATLAB toolbox for seismocardiography (SCG) signal processing. The toolbox may be found here: https://github.com/nzavanelli/SCG_master_toolbox PulsatioMech is currently under…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Nathan Zavanelli

The Coronal Multichannel Polarimeter (CoMP) routinely performs coronal polarimetric measurements using the Fe XIII 10747 $\AA$ and 10798 $\AA$ lines, which are sensitive to the coronal magnetic field. However, inverting such polarimetric…

Solar and Stellar Astrophysics · Physics 2016-07-13 K. Dalmasse , D. W. Nychka , S. E. Gibson , Y. Fan , N. Flyer

Studying the rapid variability of many astronomical objects is key to understanding the underlying processes at play. However, a combination of limited telescope availability, viewing constraints, and the unpredictable nature of many…

Instrumentation and Methods for Astrophysics · Physics 2024-03-15 John A. Paice , Poshak Gandhi , Ranjeev Misra

We present Pendulum Tracker, a computer vision-based application that enables real-time measurement of the oscillatory motion of a physical pendulum. Integrated into the educational platform SimuF\'isica, the system uses the OpenCV.js…

Physics Education · Physics 2025-11-12 Marco P. M. de Souza , Juciane G. Maia , Lilian N. de Andrade

Understanding solar wind flows is crucial for unraveling the dynamics of the Sun's corona and improving space weather forecasting. However, the complex nature of the solar wind and the absence of reliable ground-truth data present…

Solar and Stellar Astrophysics · Physics 2024-10-04 Valmir Moraes Filho , Vadim Uritsy , Barbara Thompson

CoronaryHemodynamics is a comprehensive simulation package developed on the OpenFOAM platform, designed specifically for coronary artery hemodynamics analysis. The package integrates a complete suite of tools for simulation preparation,…

Fluid Dynamics · Physics 2025-01-16 Yijin Mao , Yuwen Zhang

A better fundamental understanding of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) has the potential to advance applications ranging from drug discovery to cardiac repair. Automated quantitative analysis of beating…

Quantitative Methods · Quantitative Biology 2021-11-17 Bill Zhao , Kehan Zhang , Christopher S. Chen , Emma Lejeune

Events in the solar corona are often widely separated in their timescales, which can allow them to be identified when they would otherwise be confused with emission from other sources in the corona. Methods for cleanly separating such…

Solar and Stellar Astrophysics · Physics 2016-02-01 Joseph Plowman

Self-interacting dark matter (SIDM) is a well-motivated extension of cold dark matter that can modify halo structure on galactic and group scales while remaining consistent with large-scale structure. However, practical SIDM work often…

Instrumentation and Methods for Astrophysics · Physics 2026-01-09 Nalin Dhiman

The visible camera system EDICAM (Event Detection Intelligent Camera), recently installed on JT-60SA, is simulated to assess whether it can be used for measuring synchrotron radiation from relativistic runaway electrons. In this simulation,…

Plasma Physics · Physics 2023-09-28 Soma Olasz , Mathias Hoppe , Tamás Szepesi , Kensaku Kamiya , Peter Balazs , Gergo I. Pokol

Computed tomography (CT) is widely used in scientific imaging systems such as synchrotron and laboratory-based nano-CT, but acquiring full-view sinograms requires high radiation dose and long scan times. Sparse-view CT reduces this burden…

Image and Video Processing · Electrical Eng. & Systems 2026-02-10 Jiaze E , Srutarshi Banerjee , Tekin Bicer , Guannan Wang , Yanfu Zhang , Bin Ren

Studying CMEs in coronagraph data can be challenging due to their diffuse structure and transient nature, and user-specific biases may be introduced through visual inspection of the images. The large amount of data available from the SOHO,…

Solar and Stellar Astrophysics · Physics 2012-07-27 Jason P. Byrne , Huw Morgan , Shadia R. Habbal , Peter T. Gallagher

CT images are widely used in clinical diagnosis and treatment, and their data have formed a de facto standard - DICOM. It is clear and easy to use, and can be efficiently utilized by data-driven analysis methods such as deep learning. In…

Software Engineering · Computer Science 2026-03-20 Yiqin Zhang , Meiling Chen

Solar tomography has progressed rapidly in recent years thanks to the development of robust algorithms and the availability of more powerful computers. It can today provide crucial insights in solving issues related to the line-of-sight…

Solar and Stellar Astrophysics · Physics 2015-05-27 Nicolas Barbey , Chloé Guennou , Frédéric Auchère

Computed tomography (CT) has been developed as a non-destructive technique for observing minute internal images of samples. It has been difficult to obtain photo-realistic (clean or clear) CT images due to various unwanted artifacts…

Quantum Physics · Physics 2023-09-12 Kyungtaek Jun

As the medical usage of computed tomography (CT) continues to grow, the radiation dose should remain at a low level to reduce the health risks. Therefore, there is an increasing need for algorithms that can reconstruct high-quality images…

Image and Video Processing · Electrical Eng. & Systems 2021-03-10 Davood Karimi , Rabab K. Ward
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