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Related papers: IVOA Simple Image Access

200 papers

The IVOA Simple Image Access version 2 protocol defines an easy way to provide community access to a collection of data. At the Vera C. Rubin Observatory we currently enable ObsTAP access to our data holdings via an ObsCore export or view…

Instrumentation and Methods for Astrophysics · Physics 2025-01-03 Tim Jenness , Stelios Voutsinas , Gregory P. Dubois-Felsmann , Andrei Salnikov

This specification defines a protocol for retrieving image data from a variety of astronomical image repositories through a uniform interface. The interface is meant to be reasonably simple to implement by service providers. A query…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Doug Tody , Ray Plante , Paul Harrison

An application that queries or consumes descriptions of VO resources must be able to recognize a resource's support for standard IVOA protocols. This specification describes how to describe a service that supports any of the four…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Raymond Plante , Editor Jesus Delago , Paul Harrison , Doug Tody , the IVOA Registry Working Group

The Simple Spectral Access (SSA) Protocol (SSAP) defines a uniform interface to remotely discover and access one dimensional spectra. SSA is a member of an integrated family of data access interfaces altogether comprising the Data Access…

The Characterisation data model is a standard of the International Virtual Observatory Alliance (IVOA) that describes observational datasets in the multi-dimensional parameter space. Defining three properties: coverage, resolution, and…

Instrumentation and Methods for Astrophysics · Physics 2011-12-23 Francois Bonnarel , Mireille Louys , Igor Chilingarian

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

This document defines the core components of the Observation data model that are necessary to perform data discovery when querying data centers for observations of interest. It exposes use-cases to be carried out, explains the model and…

The new widefield radio telescopes, such as: ASKAP,MWA, LOFAR, eVLA and SKA; will produce spectral-imaging data-cubes (SIDC) of unprecedented volumes in the order of hundreds of Petabytes. Servicing such data as images to the end-user may…

Instrumentation and Methods for Astrophysics · Physics 2016-11-26 Slava Kitaeff , Andreas Wicenec , Chen Wu , David Taubman

Difference image analysis (DIA) is an effective technique for obtaining photometry in crowded fields, relative to a chosen reference image. As yet, however, optimal reference image selection is an unsolved problem. We examine how this…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 Leo Huckvale , Eamonn Kerins , Stuart E. Sale

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

Image datasets serve as the foundation for machine learning models in computer vision, significantly influencing model capabilities, performance, and biases alongside architectural considerations. Therefore, understanding the composition…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Florian Grötschla , Luca A. Lanzendörfer , Marco Calzavara , Roger Wattenhofer

We provide a large image parameter dataset extracted from the Solar Dynamics Observatory (SDO) mission's AIA instrument, for the period of January 2011 through the current date, with the cadence of six minutes, for nine wavelength channels.…

Solar and Stellar Astrophysics · Physics 2019-07-31 Azim Ahmadzadeh , Dustin J. Kempton , Rafal A. Angryk

The Simple Line Access Protocol (SLAP) is an IVOA Data Access protocol which defines a protocol for retrieving spectral lines coming from various Spectral Line Data Collections through a uniform interface within the VO framework. These…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Jesus Salgado , Pedro Osuna , Matteo Guainazzi , Isa Barbarisi , Marie-Lise Dubernet , Doug Tody

Understanding porous media flow is inherently a multi-scale challenge, where at the core lies the aggregation of pore-level processes to a continuum, or Darcy-scale, description. This challenge is directly mirrored in image processing,…

Mathematical Software · Computer Science 2023-01-16 Jan Martin Nordbotten , Benyamine Benali , Jakub Wiktor Both , Bergit Brattekås , Erlend Storvik , Martin A. Fernø

Computer vision tasks such as object detection and segmentation rely on the availability of extensive, accurately annotated datasets. In this work, We present CIA, a modular pipeline, for (1) generating synthetic images for dataset…

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

Spectral imaging collects and processes information along spatial and spectral coordinates quantified in discrete voxels, which can be treated as a 3D spectral data cube. The spectral images (SIs) allow identifying objects, crops, and…

Information Theory · Computer Science 2023-04-12 Jorge Bacca , Emmanuel Martinez , Henry Arguello

The purpose of this document is to create a data model and its serialization for expressing generic time series data. Already existing IVOA data models are reused as much as possible. The model is also made as generic as possible to be open…

Databases · Computer Science 2018-01-12 Jiri Nadvornik , Petr Skoda , Dave Morris , Pavel Tvrdik

Existing Vision-Language Models (VLMs) are predominantly trained on web-scraped, noisy image-text data, exhibiting limited exposure to the specialized domain of RS. This deficiency results in poor performance on RS-specific tasks, as…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Angelos Zavras , Dimitrios Michail , Xiao Xiang Zhu , Begüm Demir , Ioannis Papoutsis

Objective quality assessment of stereoscopic panoramic images becomes a challenging problem owing to the rapid growth of 360-degree contents. Different from traditional 2D image quality assessment (IQA), more complex aspects are involved in…

Image and Video Processing · Electrical Eng. & Systems 2019-09-05 Jiahua Xu , Ziyuan Luo , Wei Zhou , Wenyuan Zhang , Zhibo Chen
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