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Parameter estimation with non-Gaussian stochastic fields is a common challenge in astrophysics and cosmology. In this paper, we advocate performing this task using the scattering transform, a statistical tool sharing ideas with…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-07 Sihao Cheng , Yuan-Sen Ting , Brice Ménard , Joan Bruna

Computational tools for normal mode analysis, which are widely used in physics and materials science problems, are designed here in a single package called NMscatt (Normal Modes & scattering) that allows arbitrarily large systems to be…

Computational Physics · Physics 2009-11-13 Franci Merzel , Fabien Fontaine-Vive , Mark R. Johnson

As we move from 5G to 6G, edge computing is one of the concepts that needs revisiting. Its core idea is still intriguing: instead of sending all data and tasks from an end user's device to the cloud, possibly covering thousands of…

Exosphere provides researcher-friendly software for managing computing workloads on OpenStack cloud infrastructure. Exosphere is a user-friendly alternative to Horizon, the default OpenStack graphical interface. Exosphere can be used with…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-15 Julian L. Pistorius , Chris Martin , Sanjana Sudarshan , David S. LeBauer

We report on the progress of the development of CVcat, an interactive catalogue on Cataclysmic Variables, which is the first application based on AstroCat, a general framework for the installation and maintenance of web-based interactive…

Astrophysics · Physics 2007-05-23 F. Euchner , A. Pollmer , B. T. Gaensicke , J. Kube , K. Beuermann

VO-Neural is the natural evolution of the Astroneural project which was started in 1994 with the aim to implement a suite of neural tools for data mining in astronomical massive data sets. At a difference with its ancestor, which was…

Empirical models, fitted to data from observations, are often used in natural sciences to describe physical behaviour and support discoveries. However, with more complex models, the regression of parameters quickly becomes insufficient,…

Atmospheric and Oceanic Physics · Physics 2020-08-25 Juraj Pálenik , Thomas Spengler , Helwig Hauser

Field-based coordination has been proposed as a model for coordinating collective adaptive systems, promoting a view of distributed computations as functions manipulating data structures spread over space and evolving over time, called…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-22 Giorgio Audrito , Jacob Beal , Ferruccio Damiani , Danilo Pianini , Mirko Viroli

Computer hardware costs are the limiting factor in producing highly accurate radiation dose calculations on convenient time scales. Because of this, large-scale, full Monte Carlo simulations and other resource intensive algorithms are often…

Medical Physics · Physics 2010-09-28 Roy W. Keyes , Christian Romano , Dorian Arnold , Shuang Luan

Sky coverage is one of the most important pieces of information about astronomical observations. We discuss possible representations, and present algorithms to create and manipulate shapes consisting of generalized spherical polygons with…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Tamas Budavari , Alex Szalay , Gyorgy Fekete

The paper concerns the hype idea of "Citizen Science" and the related paradigm shift: to go from the passive "volunteer computing" to other volunteer actions like "volunteer measurements" under guidance of scientists. They can be carried…

Computers and Society · Computer Science 2019-07-23 Nikita Gordienko , Oleg Lodygensky , Gilles Fedak , Yuri Gordienko

LineStacker is a new open access and open source tool for stacking of spectral lines in interferometric data. LineStacker is an ensemble of CASA tasks, and can stack both 3D cubes or already extracted spectra. The algorithm is tested on…

Astrophysics of Galaxies · Physics 2020-09-30 Jean-Baptiste Jolly , Kirsten K. Knudsen , Flora Stanley

Grid is an infrastructure that involves the integrated and collaborative use of computers, networks, databases and scientific instruments owned and managed by multiple organizations. Grid applications often involve large amounts of data…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Parvin Asadzadeh , Rajkumar Buyya , Chun Ling Kei , Deepa Nayar , Srikumar Venugopal

Montage is a portable software toolkit for constructing custom, science-grade mosaics by composing multiple astronomical images. The mosaics constructed by Montage preserve the astrometry (position) and photometry (intensity) of the sources…

Clusters, grids, and peer-to-peer (P2P) networks have emerged as popular paradigms for next generation parallel and distributed computing. The management of resources and scheduling of applications in such large-scale distributed systems is…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Rajkumar Buyya , Manzur Murshed

This chapter provides a brief introduction to the theory and practice of spatial stochastic simulations. It begins with an overview of different methods available for biochemical simulations highlighting their strengths and limitations.…

Quantitative Methods · Quantitative Biology 2018-10-02 Sanjana Gupta , Jacob Czech , Robert Kuczewski , Thomas M. Bartol , Terrence J. Sejnowski , Robin E. C. Lee , James R. Faeder

Astronomy is increasingly encountering two fundamental truths: (1) The field is faced with the task of extracting useful information from extremely large, complex, and high dimensional datasets; (2) The techniques of astroinformatics and…

Instrumentation and Methods for Astrophysics · Physics 2011-10-28 Nicholas M. Ball

DataViz3D is an innovative online software that transforms complex datasets into interactive 3D spatial models using holographic technology. This tool enables users to generate scatter plot within a 3D space, accurately mapped to the XYZ…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Jinli Duan

For more than a decade the Joint Astronomy Centre has been developing software tools to simplify observing and make it possible to use the telescopes in many different operational modes. In order to support remote operations the data…

Instrumentation and Methods for Astrophysics · Physics 2011-11-28 Timothy Jenness , Frossie Economou

We describe here the parallels in astronomy and earth science datasets, their analyses, and the opportunities for methodology transfer from astroinformatics to geoinformatics. Using example of hydrology, we emphasize how meta-data and…

Instrumentation and Methods for Astrophysics · Physics 2017-06-14 Ashish A. Mahabal , Daniel Crichton , S. G. Djorgovski , Emily Law , John S. Hughes
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