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We are in the era of the Big Data. In Astronomy and Astrophysics, the massive amounts of data generated are, as of today, in the Peta-scale if not already in the Exa-scale. In the near future, we will see the data collected size and…

Instrumentation and Methods for Astrophysics · Physics 2023-02-23 S. Bertocco

Object detection in astronomical images, generically referred to as source finding, is often performed before the object characterisation stage in astrophysical processing work flows. In radio astronomy, source finding has historically been…

Instrumentation and Methods for Astrophysics · Physics 2019-01-16 Luis Lucas , Tim Staley , Anna Scaife

Searching is an important tool of information gathering, if information is in the form of picture than it play a major role to take quick action and easy to memorize. This is a human tendency to retain more picture than text. The complexity…

Information Retrieval · Computer Science 2011-12-12 Anamika Sharma

With the rise of simulation-based inference (SBI) methods, simulations need to be fast as well as realistic. $\texttt{UFig v1}$ is a public Python package that simulates astronomical images with exceptional speed, taking approximately the…

Radio astronomy studies the Universe by observing the radio emissions of celestial bodies. Different methods can be used to recover the sky brightness distribution (SBD), which describes the distribution of celestial sources from recorded…

Instrumentation and Methods for Astrophysics · Physics 2024-07-11 X. Li , K. Adamek , W. Armour

Existing fashion recommendation systems encounter difficulties in using visual data for accurate and personalized recommendations. This research describes an innovative end-to-end pipeline that uses artificial intelligence to provide…

Information Retrieval · Computer Science 2023-11-17 Mohamaed Foued Ayedi , Hiba Ben Salem , Soulaimen Hammami , Ahmed Ben Said , Rateb Jabbar , Achraf CHabbouh

The soon-to-be-launched Space Infrared Telescope Facility (SIRTF) shall produce image data with an a-posteriori pointing knowledge of 1.4 arcsec (1 sigma radial) with a goal of 1.2 arcsec in the International Celestial Reference System…

Astrophysics · Physics 2007-05-23 F. Masci , D. Makovoz , M. Moshir , D. Shupe , John W. Fowler

This paper introduces the task of visual question answering for remote sensing data (RSVQA). Remote sensing images contain a wealth of information which can be useful for a wide range of tasks including land cover classification, object…

Computer Vision and Pattern Recognition · Computer Science 2020-05-15 Sylvain Lobry , Diego Marcos , Jesse Murray , Devis Tuia

The IVOA works towards standardising interoperability and curation of data and service holdings of the global astrophysical community. Within the IVOA, the Data Access Layer (DAL) Working Group's goal is to provide technical standards for…

Instrumentation and Methods for Astrophysics · Physics 2020-12-03 Marco Molinaro , James Dempsey

The ``P32'' Astronomical Observation Template (AOT) provided a means to map large areas of sky (up to 45 x 45 arcmin) in the far-infrared (FIR) at high redundancy and with sampling close to the Nyquist limit using the ISOPHOT C100 (3 x 3)…

Astrophysics · Physics 2011-05-23 Richard J. Tuffs , Carlos Gabriel

We present a new method of interpolation for the pixel brightness estimation in astronomical images. Our new method is simple and easily implementable. We show the comparison of this method with the widely used linear interpolation and…

Instrumentation and Methods for Astrophysics · Physics 2013-10-03 A. Popowicz , A. R. Kurek , Z. Filus

Many User interactive systems are proposed all methods are trying to implement as a user friendly and various approaches proposed but most of the systems not reached to the use specifications like user friendly systems with user interest,…

Computer Vision and Pattern Recognition · Computer Science 2012-04-12 R. Venkata Ramana Chary , D. Rajya Lakshmi , K. V. N. Sunitha

A method is introduced to derive resolution criteria for various a priori defined templates of brightness distribution fitted to represent structures and objects in astronomical images. The method is used for deriving criteria for the…

Astrophysics · Physics 2007-05-23 A. P. Lobanov

The Galactica simulation database is a platform designed to assist computational astrophysicists with their open science approach based on FAIR (Findable, Accessible, Interoperable, Reusable) principles. It offers the means to publish their…

Instrumentation and Methods for Astrophysics · Physics 2024-11-14 Damien Chapon , Patrick Hennebelle

Image-Guided Retrieval with Optional Text (IGROT) is a general retrieval setting where a query consists of an anchor image, with or without accompanying text, aiming to retrieve semantically relevant target images. This formulation unifies…

Information Retrieval · Computer Science 2025-12-01 Hoang-Bao Le , Allie Tran , Binh T. Nguyen , Liting Zhou , Cathal Gurrin

Analyses of stellar spectra often begin with the determination of a number of parameters that define a model atmosphere. This work presents a prototype for an automated spectral classification system that uses a 15 nm-wide region around…

Astrophysics · Physics 2016-08-30 C. Allende Prieto

VODataService refers to an XML encoding standard for a specialized extension of the IVOA Resource Metadata that is useful for describing data collections and the services that access them. It is defined as an extension of the core resource…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Raymond Plante , Aurélien Stébé , Kevin Benson , Patrick Dowler , Matthew Graham , Gretchen Greene , Paul Harrison , Gerard Lemson , Tony Linde , Guy Rixon

Single-view 3D is the task of recovering 3D properties such as depth and surface normals from a single image. We hypothesize that a major obstacle to single-image 3D is data. We address this issue by presenting Open Annotations of Single…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Weifeng Chen , Shengyi Qian , David Fan , Noriyuki Kojima , Max Hamilton , Jia Deng

In this article I present IEAD, a new interface for astronomical science databases. It is based on a powerful, yet simple, syntax designed to completely abstract the user from the structure of the underlying database. The programming…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Marco Lombardi

The radio sky at lower frequencies, particularly below 20 MHz, is expected to be a combination of increasingly bright non-thermal emission and significant absorption from intervening thermal plasma. The sky maps at these frequencies cannot…

Instrumentation and Methods for Astrophysics · Physics 2021-09-01 Akhil Jaini , Avinash A. Deshpande , Sainath Bitragunta