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Related papers: SAXSFit: A program for fitting small-angle x-ray a…

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Supergiant fast X-ray transients are wind-fed binaries hosting neutron star accretors, which display a peculiar variability in the X-ray domain. Different models have been proposed to explain this variability and the strength of the compact…

High Energy Astrophysical Phenomena · Physics 2024-01-09 E. Bozzo , C. Ferrigno , P. Romano

The XMM-Newton spectral-fit database (XMMFITCAT) is a catalogue of spectral fitting results for the source detections within the XMM-Newton Serendipitous source catalogue with more than 50 net (background-subtracted) counts per detector in…

High Energy Astrophysical Phenomena · Physics 2015-04-01 A. Corral , I. Georgantopoulos , M. G. Watson , S. R. Rosen , K. L. Page , N. A. Webb

Web applications are distributed applications, they are programs that run on more than one computer and communicate through a network or server. This very distributed nature of web applications, combined with the scale and sheer complexity…

Cryptography and Security · Computer Science 2022-10-17 Akash Nagaraj , Bishesh Sinha , Mukund Sood , Yash Mathur , Sanchika Gupta , Dinkar Sitaram

We describe a new program for determining photometric redshifts, dubbed EAZY. The program is optimized for cases where spectroscopic redshifts are not available, or only available for a biased subset of the galaxies. The code combines…

Astrophysics · Physics 2009-11-13 Gabriel B. Brammer , Pieter G. van Dokkum , Paolo Coppi

Irrelevant features can significantly degrade few-shot learn ing performance. This problem is used to match queries and support images based on meaningful similarities despite the limited data. However, in this process, non-relevant fea…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Javier Rodenas , Eduardo Aguilar , Petia Radeva

Single-shot X-ray imaging of short-lived nanostructures such as clusters and nanoparticles near a phase transition or non-crystalizing objects such as large proteins and viruses is currently the most elegant method for characterizing their…

Atomic and Molecular Clusters · Physics 2020-10-14 Thomas Stielow , Robin Schmidt , Christian Peltz , Thomas Fennel , Stefan Scheel

Software defect prediction plays a crucial role in estimating the most defect-prone components of software, and a large number of studies have pursued improving prediction accuracy within a project or across projects. However, the rules for…

Software Engineering · Computer Science 2020-04-28 Peng He , Bing Li , Xiao Liu , Jun Chen , Yutao Ma

Much of the progress made in time-domain astronomy is accomplished by relating observational multi-wavelength time series data to models derived from our understanding of physical laws. This goal is typically accomplished by dividing the…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 James Guillochon , Matt Nicholl , V. Ashley Villar , Brenna Mockler , Gautham Narayan , Kaisey S. Mandel , Edo Berger , Peter K. G. Williams

Generating diverse solutions to the Boolean Satisfiability Problem (SAT) is a hard computational problem with practical applications for testing and functional verification of software and hardware designs. We explore the way to generate…

Artificial Intelligence · Computer Science 2022-12-02 Karlis Freivalds , Sergejs Kozlovics

In this paper we describe the main features of the software package named FITSH, intended to provide a standalone environment for analysis of data acquired by imaging astronomical detectors. The package provides utilities both for the full…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 András Pál

Fitting experiment data onto a curve is a common signal processing technique to extract data features and establish the relationship between variables. Often, we expect the curve to comply with some analytical function and then turn data…

Signal Processing · Electrical Eng. & Systems 2022-11-23 Kai Wu , J. Andrew Zhang , Y. Jay Guo

We present allesfitter, a public and open-source python software for flexible and robust inference of stars and exoplanets given photometric and radial velocity data. Allesfitter offers a rich selection of orbital and transit/eclipse…

Earth and Planetary Astrophysics · Physics 2021-05-05 Maximilian N. Günther , Tansu Daylan

JETSPIN is an open-source computer program specifically designed to simulate the electrospinning process of nanofibers. This manual provides an overview of JETSPIN, focusing primarily on its structure, parallel implementations,…

Soft Condensed Matter · Physics 2015-07-28 Marco Lauricella , Giuseppe Pontrelli , Ivan Coluzza , Dario Pisignano , Sauro Succi

The increasing importance of well-controlled ordered nanostructures on surfaces represents a challenge for existing metrology techniques. To develop such nanostructures and monitor complex processing constraints fabrication, both a…

Full fine-tuning is a popular approach to adapt Transformer-based pre-trained large language models to a specific downstream task. However, the substantial requirements for computational power and storage have discouraged its widespread…

Computation and Language · Computer Science 2024-05-02 Samir Arora , Liangliang Wang

Here we show explicitly the relationship between the functions used in the atomic pair distribution function (PDF) method and those commonly used in small angle scattering (SAS) analyses. The origin of the sloping baseline, $-4\pi r\rho_0$,…

Materials Science · Physics 2009-04-13 Christopher L. Farrow , Simon J. L. Billinge

Low x-ray dose is desirable in x-ray computed tomographic (CT) imaging due to health concerns. But low dose comes with a cost of low signal artifacts such as streaks and low frequency bias in the reconstruction. As a result, low signal…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Obaidullah Rahman , Ken D. Sauer , Charles A. Bouman , Roman Melnyk , Brian Nett

Nanoparticle Tracking Analysis (NTA) provides a simple method to determine individual nanoparticle size. However, because size quantification is based on the slowly converging statistical law of random event, its intrinsic error is large,…

Signal Processing · Electrical Eng. & Systems 2023-08-21 Minh-Chau Nguyen , Pierre Bon

We propose a new modeling approach for scatter estimation and descattering in polyenergetic X-ray computed tomography (CT) based on fitting models to local neighborhoods of a training set. X-ray CT is widely used in medical and industrial…

Image and Video Processing · Electrical Eng. & Systems 2021-09-30 Michael T. McCann , Marc L. Klasky , Jennifer L. Schei , Saiprasad Ravishankar

In this paper we describe the FIT\textit{spec} code, a data mining tool for the automatic fitting of synthetic stellar spectra. The program uses a database of 27\,000 {\sc cmfgen} models of stellar atmospheres arranged in a six-dimensional…