English
Related papers

Related papers: Visualization, Exploration and Data Analysis of Co…

200 papers

We present the first public data release of the VISTA EXtension to Auxiliary Surveys (VEXAS), comprising of 9 cross-matched multi-wavelength photometric catalogs where each object has a match in at least two surveys. We aim at a spatial…

Astrophysics of Galaxies · Physics 2019-10-16 C. Spiniello , A. Agnello

We describe a framework that allows a scientist-user to easily query for information across all Virtual Observatory (VO) repositories and pull it back for analysis. This framework hides the gory details of meta-data remediation and data…

Instrumentation and Methods for Astrophysics · Physics 2015-02-24 Brian Thomas , Edward Shaya , Zenping Huang , Peter Teuben

We introduce geoplotlib, an open-source python toolbox for visualizing geographical data. geoplotlib supports the development of hardware-accelerated interactive visualizations in pure python, and provides implementations of dot maps,…

Graphics · Computer Science 2016-08-08 Andrea Cuttone , Sune Lehmann , Jakob Eg Larsen

This document defines the high level metadata necessary to describe the physical parameter space of observed or simulated astronomical data sets, such as 2D-images, data cubes, X-ray event lists, IFU data, etc.. The Characterisation data…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Mireille Louys , Anita Richards , Francois Bonnarel , Alberto Micol , Igor Chilingarian , Jonathan McDowell , the IVOA Data Model Working Group

This paper describes computational methods for the visual display and analysis of music information. We provide a concise description of software, music descriptors and data visualization techniques commonly used in music information…

Information Retrieval · Computer Science 2018-07-27 Rafael Valle

The purpose of data visualization is to offer intuitive ways for information perception and manipulation, especially for non-expert users. The Web of Data has realized the availability of a huge amount of datasets. However, the volume and…

Databases · Computer Science 2017-06-28 Nikos Bikakis , Melina Skourla , George Papastefanatos

The field of astronomy is experiencing a data explosion driven by significant advances in observational instrumentation, and classical methods often fall short of addressing the complexity of modern astronomical datasets. Probabilistic…

Instrumentation and Methods for Astrophysics · Physics 2026-01-26 Abigail Sheerin , Giuseppe Vinci

Most research data collections created or used by astronomers are intrinsically multi-dimensional. In contrast, all visual representations of data presented within research papers are exclusively 2-dimensional. We present a resolution of…

Astrophysics · Physics 2008-11-26 David G. Barnes , Christopher J. Fluke

Visual analytics (VA) tools support data exploration by helping analysts quickly and iteratively generate views of data which reveal interesting patterns. However, these tools seldom enable explicit checks of the resulting interpretations…

Human-Computer Interaction · Computer Science 2023-08-28 Alex Kale , Ziyang Guo , Xiao Li Qiao , Jeffrey Heer , Jessica Hullman

Teaching and advocating data visualization are among the most important activities in the visualization community. With growing interest in data analysis from business and science professionals, data visualization courses attract students…

Human-Computer Interaction · Computer Science 2019-10-08 Leo Yu-Ho Lo , Yao Ming , Huamin Qu

An essential capability of the Virtual Observatory is a means for describing what data and computational facilities are available where, and once identified, how to use them. The data themselves have associated metadata (e.g., FITS…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Robert Hanisch , the IVOA Resource Registry Working Group , the NVO Metadata Working Group

Traditional analysis techniques may not be sufficient for astronomers to make the best use of the data sets that current and future instruments, such as the Square Kilometre Array and its Pathfinders, will produce. By utilizing the…

Instrumentation and Methods for Astrophysics · Physics 2010-01-14 Amr H. Hassan , Christopher J. Fluke , David G. Barnes

We review some of the recent developments and challenges posed by the data analysis in modern digital sky surveys, which are representative of the information-rich astronomy in the context of Virtual Observatory. Illustrative examples…

Astrophysics · Physics 2016-11-18 S. G. Djorgovski , C. Donalek , A. Mahabal , R. Williams , A. Drake , M. Graham , E. Glikman

In the framework of the Europlanet-RI program, a prototype of Virtual Observatory dedicated to Planetary Science was defined. Most of the activity was dedicated to the elaboration of standards to retrieve and visualize data in this field,…

Instrumentation and Methods for Astrophysics · Physics 2017-05-25 S. Erard , B. Cecconi , P. Le Sidaner , J. Berthier , F. Henry , C. Chauvin , N. Andre , V. Genot , C. Jacquey , M. Gangloff , N. Bourrel , B. Schmitt , M. T. Capria , G. Chanteur

Researchers in the humanities are among the many who are now exploring the world of big data. They have begun to use programming languages like Python or R and their corresponding libraries to manipulate large data sets and discover brand…

Software Engineering · Computer Science 2020-07-30 Dewi Yokelson

The rapid growth of imaging and spectroscopic surveys has intensified the need for efficient tools that support visual inspection, a practice that remains essential for tasks such as classification, catalog refinement, and validation of…

The analysis of astronomical interferometric data is often performed on the images obtained after deconvolution of the interferometer's point spread function (PSF). This strategy can be understood (especially for cases of sparse arrays) as…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 I. Marti-Vidal , W. H. T. Vlemmings , S. Muller , S. Casey

Online user studies of visualizations, visual encodings, and interaction techniques are ubiquitous in visualization research. Yet, designing, conducting, and analyzing studies effectively is still a major burden. Although various packages…

Dynamically Interactive Visualization (DIVI) is a novel approach for orchestrating interactions within and across static visualizations. DIVI deconstructs Scalable Vector Graphics charts at runtime to infer content and coordinate user…

Human-Computer Interaction · Computer Science 2023-11-07 Luke S. Snyder , Jeffrey Heer

Data quality assessment process is essential to ensure reliable analytical outcomes. This process depends on human supervision-driven approaches since it is impossible to determine a defect based only on data. Visualization systems belong…

Databases · Computer Science 2018-09-27 João Marcelo Borovina Josko , João Eduardo Ferreira