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This evaluate the performance of geospatial image processing using two distinct data storage formats: Zarr and TIFF. Geospatial images, converted to numerous applications like environmental monitoring, urban planning, and disaster…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Jaheer Khan , Swarup E , Rakshit Ramesh

Sim2Real domain transfer offers a cost-effective and scalable approach for developing LiDAR-based perception (e.g., object detection, tracking, segmentation) in Intelligent Transportation Systems (ITS). However, perception models trained in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Muhammad Shahbaz , Shaurya Agarwal

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

The site conditions that make astronomical observatories in space and on the ground so desirable -- cold and dark -- demand a physical remoteness that leads to limited data transmission capabilities. Such transmission limitations directly…

Artificial Intelligence · Computer Science 2025-06-11 Tuan Truong , Rithwik Sudharsan , Yibo Yang , Peter Xiangyuan Ma , Ruihan Yang , Stephan Mandt , Joshua S. Bloom

We present htof, an open-source tool for interpreting and fitting the intermediate astrometric data (IAD) from both the 1997 and 2007 reductions of Hipparcos, the scanning-law of Gaia, and future missions such as the Nancy Grace Roman Space…

Instrumentation and Methods for Astrophysics · Physics 2021-11-17 G. Mirek Brandt , Daniel Michalik , Timothy D. Brandt , Yiting Li , Trent J. Dupuy , Yunlin Zeng

Modern radio and multi-instrument astrophysical datasets are increasingly assembled from surveys with different sensitivities and selection effects. In such heterogeneous datasets, published measurement uncertainties are often incomplete,…

Instrumentation and Methods for Astrophysics · Physics 2026-04-14 Marko Imbrišak , Krešimir Tisanić

Upgrading the infrastructure of old scientific instruments requires the development of new hardware and software which may be expensive (in general, these projects lack of enough resources to acquire fast and modern infrastructure to become…

Instrumentation and Methods for Astrophysics · Physics 2014-07-23 Victor De la Luz , Alejandro Lara

In recent years, a bag with image and video compression formats has been torn. However, most of them are focused on lossy compression and only marginally support the lossless mode. In this paper, I will focus on lossless formats and the…

Image and Video Processing · Electrical Eng. & Systems 2021-08-06 David Barina

The FAST Ultra-Deep Survey (FUDS) is a blind survey that aims for the direct detection of HI in galaxies at redshifts $z<0.42$. The survey uses the multibeam receiver on the Five Hundred Meter Aperture Spherical Telescope (FAST) to map six…

Astrophysics of Galaxies · Physics 2022-05-04 Hongwei Xi , Bo Peng , Lister Staveley-Smith , Bi-Qing For , Bin Liu

The InfraRed Imaging Spectrograph (IRIS) will be the first light adaptive optics instrument on the Thirty Meter Telescope (TMT). IRIS is being built by a collaboration between Caltech, the University of California, NAOJ and NRC Herzberg. We…

As a new generation radio telescope, the Allen Telescope Array (ATA) is a prototype for the square kilometer array (SKA). Here we describe recently developed design constraints for the ATA digital signal processing chain as a case study for…

Instrumentation and Methods for Astrophysics · Physics 2012-11-29 G. R. Harp

This posting announces public availability of version 1.2 of the DiskFit software package developed by the authors, which may be used to fit simple non-axisymmetric models either to images or to velocity fields of disk galaxies. Here we…

Astrophysics of Galaxies · Physics 2015-09-25 J. A. Sellwood , Kristine Spekkens

Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have emerged as a promising technology for enabling full-space signal manipulation and enhancing wireless network coverage and capacity. In this…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Taissir Y. Elganimi , Mahmoud Aldababsa , Ali A. Nasir , Khaled M. Rabie

Multidimensional Index Modulations (IM) are a novel alternative to conventional modulations which can bring considerable benefits for future wireless networks. Within this scope, in this paper we present a new scheme, named as…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Vasco Velez , Joao Pedro Pavia , Nuno Souto , Pedro Sebastiao , Americo Correia

HEALPix -- the Hierarchical Equal Area isoLatitude Pixelization -- has become a standard in high-energy and gravitational wave astronomy. Originally developed to improve the efficiency of all-sky Fourier analyses, it is now also utilized to…

Instrumentation and Methods for Astrophysics · Physics 2022-05-18 I. Martinez-Castellanos , Leo P. Singer , E. Burns , D. Tak , Alyson Joens , Judith L. Racusin , Jeremy S. Perkins

Modern image formation algorithms in radio interferometry rely on repeated applications of the operator {\Phi} modelling the measurement process and its adjoint {Phi^\dagger} to enforce consistency with the acquired data, specifically via…

Instrumentation and Methods for Astrophysics · Physics 2026-05-27 Arwa Dabbech , Yves Wiaux

Image subtraction is essential for transient detection in time-domain astronomy. The point spread function (PSF), photometric scaling, and sky background generally vary with time and across the field-of-view for imaging data taken with…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 Lei Hu , Lifan Wang , Xingzhuo Chen , Jiawen Yang

Machine learning algorithms are highly useful for the classification of time series data in astronomy in this era of peta-scale public survey data releases. These methods can facilitate the discovery of new unknown events in most…

Instrumentation and Methods for Astrophysics · Physics 2018-09-10 J. B. Cabral , B. Sánchez , F. Ramos , S. Gurovich , P. Granitto , J. Vanderplas

As the volume of data grows, astronomers are increasingly faced with choices on what data to keep -- and what to throw away. Recent work evaluating the JPEG2000 (ISO/IEC 15444) standards as a future data format standard in astronomy has…

Instrumentation and Methods for Astrophysics · Physics 2016-05-06 Dany Vohl , Christopher J. Fluke , Georgios Vernardos

FORUM (Far-infrared Outgoing Radiation Understanding and Monitoring) was selected in 2019 as the ninth Earth Explorer mission by the European Space Agency (ESA). Its primary objective is to collect interferometric measurements in the…

Atmospheric and Oceanic Physics · Physics 2024-10-31 Cristina Sgattoni , Luca Sgheri , Matthias Chung