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Simulating the data that a space instrument like COROT will provide might look presomptuous. Indeed, it is certainly, when comparing to previous comparable instruments like IPHIR or GOLF. These two examples show that the nominal behaviour…

Astrophysics · Physics 2007-10-18 F. Baudin , R. Samadi , T. Appourchaux , E. Michel

Seismology has witnessed significant advancements in recent years with the application of deep learning methods to address a broad range of problems. These techniques have demonstrated their remarkable ability to effectively extract…

Ultrasound (US) is a widely used medical imaging modality due to its real-time capabilities, non-invasive nature, and cost-effectiveness. Robotic ultrasound can further enhance its utility by reducing operator dependence and improving…

A hybrid machine learning model which combines a shallow convolutional neural network and a long short-term memory network (CNN--LSTM), has been developed to automate the detection of kink oscillations in coronal plasma loops within large…

Solar and Stellar Astrophysics · Physics 2025-09-19 Sergey A. Belov , Yu Zhong , Dmitrii Y. Kolotkov , Valery M. Nakariakov

Learning effective representations for Continuous-Time Dynamic Graphs (CTDGs) has garnered significant research interest, largely due to its powerful capabilities in modeling complex interactions between nodes. A fundamental and crucial…

Machine Learning · Computer Science 2024-12-06 Zhe Wang , Sheng Zhou , Jiawei Chen , Zhen Zhang , Binbin Hu , Yan Feng , Chun Chen , Can Wang

Cardiac action potential models allow examination of a variety of cardiac dynamics, including how behavior may change under specific interventions. To study a specific scenario, including patient-specific cases, model parameter sets must be…

Computational Engineering, Finance, and Science · Computer Science 2025-04-21 Darby I. Cairns , Maxfield R. Comstock , Flavio H. Fenton , Elizabeth M. Cherry

SDTrimSP is a widely used Monte Carlo simulation code based on the Binary Collision Approximation (BCA) for modeling ion implantation and ion-solid interaction processes. While an established graphical user interface (GUI) exists for…

Materials Science · Physics 2026-03-04 Miroslav Lebeda , Jan Drahokoupil , Vojtěch Smola , Petr Vlčák

Scientific discovery via numerical simulations is important in modern astrophysics. This relatively new branch of astrophysics has become possible due to the development of reliable numerical algorithms and the high performance of modern…

Instrumentation and Methods for Astrophysics · Physics 2017-08-16 Penny Xuran Qian , Maxwell Xu Cai , Simon Portegies Zwart , Ming Zhu

Improved understanding of the dynamics of runaway electrons can be obtained by measurement and interpretation of their synchrotron radiation emission. Models for synchrotron radiation emitted by relativistic electrons are well established,…

Stellar coronagraph performance is highly sensitive to optical aberrations. In order to effectively suppress starlight for exoplanet imaging applications, low-order wavefront aberrations entering a coronagraph such as tip-tilt, defocus and…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Hari Subedi , Neil T. Zimmerman , N. Jeremy Kasdin , Kathleen Cavanagh , A J Eldorado Riggs

Widefield calcium imaging has recently emerged as a powerful experimental technique to record coordinated large-scale brain activity. These measurements present a unique opportunity to characterize spatiotemporal coherent structures that…

Neurons and Cognition · Quantitative Biology 2021-09-07 Nathaniel J Linden , Dennis R Tabuena , Nicholas A Steinmetz , William J Moody , Steven L Brunton , Bingni W Brunton

Seismic traveltime tomography using transmission data is widely used to image the Earth's interior from global to local scales. In seismic imaging, it is used to obtain velocity models for subsequent depth-migration or full-waveform…

Computational Physics · Physics 2021-04-06 Umair bin Waheed , Tariq Alkhalifah , Ehsan Haghighat , Chao Song , Jean Virieux

While Computed Tomography (CT) reconstruction from X-ray sinograms is necessary for clinical diagnosis, iodine radiation in the imaging process induces irreversible injury, thereby driving researchers to study sparse-view CT reconstruction,…

Image and Video Processing · Electrical Eng. & Systems 2021-11-29 Ce Wang , Kun Shang , Haimiao Zhang , Qian Li , Yuan Hui , S. Kevin Zhou

We present a method that isolates time-varying components from coronagraph and EUV images, allowing sub-streamer transients propagating within streamers to be tracked from the low to high corona. The method uses a temporal bandpass filter…

Solar and Stellar Astrophysics · Physics 2021-10-04 Nathalia Alzate , Huw Morgan , Nicholeen Viall , Angelos Vourlidas

Rigid-motion artifacts, such as cortical bone streaking and trabecular smearing, hinder in vivo assessment of bone microstructures in high-resolution peripheral quantitative computed tomography (HR-pQCT). Despite various motion grading…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Farhan Sadik , Christopher L. Newman , Stuart J. Warden , Rachel K. Surowiec

Sionna is an open-source, GPU-accelerated library that, as of version 0.14, incorporates a ray tracer, Sionna RT, for simulating radio wave propagation. A unique feature of Sionna RT is differentiability, enabling the calculation of…

Information Theory · Computer Science 2025-11-24 Fayçal Aït Aoudia , Jakob Hoydis , Merlin Nimier-David , Baptiste Nicolet , Sebastian Cammerer , Alexander Keller

We present SyNoRiM, a novel way to jointly register multiple non-rigid shapes by synchronizing the maps relating learned functions defined on the point clouds. Even though the ability to process non-rigid shapes is critical in various…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Jiahui Huang , Tolga Birdal , Zan Gojcic , Leonidas J. Guibas , Shi-Min Hu

Due to the proficiency of self-attention mechanisms (SAMs) in capturing dependencies in sequence modeling, several existing dynamic graph neural networks (DGNNs) utilize Transformer architectures with various encoding designs to capture…

Machine Learning · Computer Science 2025-06-03 Jie Peng , Zhewei Wei , Yuhang Ye

This paper proposes an automatic procedure, based on ROOT data Analysis Framework, for the analysis of Silicon Photomultipliers (SiPM) characteristics. In particular, it can be used to analyze experimental waveforms, from oscilloscope,…

Instrumentation and Detectors · Physics 2019-07-10 Andrii Nagai , Nicoleta Dinu-Jaeger , Adam Para

This paper describes the architecture and demonstrates the capabilities of a newly developed, physically-based imaging simulator environment called SISPO, developed for small solar system body fly-by and terrestrial planet surface mission…