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Earth observation satellites (EOSs) play a pivotal role in capturing and analyzing planetary phenomena, ranging from natural disasters to societal development. The EOS scheduling problem (EOSSP), which optimizes the schedule of EOSs, is…

Optimization and Control · Mathematics 2026-03-30 Brycen D. Pearl , Joseph M. Miller , Hang Woon Lee

The vast collecting area of the Square Kilometre Array (SKA), harnessed by sensitive receivers, flexible digital electronics and increased computational capacity, could permit the most sensitive and exhaustive search for…

The ever-growing need of data preservation and their systematic analysis contributing to sustainable development of the society spurred in the past decade,numerous Big Data projects and initiatives are focusing on the Earth Observation…

Computers and Society · Computer Science 2021-08-23 Lachezar Filchev , Lyubka Pashova , Vasil Kolev , Stuart Frye

Evolutionary transfer optimization(ETO) serves as "a new frontier in evolutionary computation research", which will avoid zero reuse of experience and knowledge from solved problems in traditional evolutionary computation. In scheduling…

Neural and Evolutionary Computing · Computer Science 2023-06-29 Wendi Xu , Xianpeng Wang

The SKA will be a state of the art radiotelescope optimized for both large area surveys as well as for deep pointed observations. In this paper we analyze the impact that the SKA will have on Galactic studies, starting from the immense…

At regime, SKAO is expected to provide the researchers with an annual amount of more than 700 hundred PB of data. The advanced analysis of all those data will take place within a network (SRCnet) of so-called SKA Regional Centres, which,…

Instrumentation and Methods for Astrophysics · Physics 2025-04-07 Andrea Possenti

Online test-time adaptation (OTTA) of vision-language models (VLMs) has recently garnered increased attention to take advantage of data observed along a stream to improve future predictions. Unfortunately, existing methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Clément Fuchs , Maxime Zanella , Christophe De Vleeschouwer

As of 2023, the Square Kilometre Array will constitute the world's largest radio telescope, offering unprecedented capabilities for a diverse science programme in radio astronomy. At the same time, the SKA will be ideally suited to detect…

Instrumentation and Methods for Astrophysics · Physics 2015-08-17 T. Huege , J. D. Bray , S. Buitink , R. Dallier , R. D. Ekers , H. Falcke , A. Haungs , C. W. James , L. Martin , B. Revenu , O. Scholten , F. G. Schröder , A. Zilles

The ambitious scientific goals of the SKA require a matching capability for calibration of atmospheric propagation errors, which contaminate the observed signals. We demonstrate a scheme for correcting the direction-dependent ionospheric…

Instrumentation and Methods for Astrophysics · Physics 2018-07-18 Maria Rioja , Richard Dodson , Thomas Franzen

ScopeSim is a flexible multipurpose instrument data simulation framework built in Python. It enables both raw and reduced observation data to be simulated for a wide range of telescopes and instruments quickly and efficiently on a personal…

Instrumentation and Methods for Astrophysics · Physics 2021-09-29 Kieran Leschinski , Hugo Buddelmeijer , Oliver Czoske , Miguel Verdugo , Gijs Verdoes-Kleijn , Werner Zeilinger

The domain of radio astronomy is currently facing significant computational challenges, foremost amongst which are those posed by the development of the world's largest radio telescope, the Square Kilometre Array (SKA). Preliminary…

Instrumentation and Methods for Astrophysics · Physics 2016-11-17 R. J. Lyon , J. M. Brooke , J. D. Knowles , B. W. Stappers

Robo-AO is the first autonomous laser adaptive optics system and science instrument operating on sky. With minimal human oversight, the system robotically executes large scale surveys, monitors long-term astrophysical dynamics and…

Upcoming large scale telescope projects such as the Square Kilometre Array (SKA) will see high data rates and large data volumes; requiring tools that can analyse telescope event data quickly and accurately. In modern radio telescopes,…

Instrumentation and Methods for Astrophysics · Physics 2020-01-17 Cees Carels , Karel Adámek , Jan Novotný , Wesley Armour

The Cherenkov Telescope Array (CTA) is the next generation of ground-based gamma-ray observatory. The observatory will consist of two arrays, one located in the southern hemisphere (Paranal,Chile) and the other in the northern hemisphere…

Instrumentation and Methods for Astrophysics · Physics 2020-12-17 Victor Barbosa Martins , Markus Garczarczyk

UAVs equipped with a single depth camera encounter significant challenges in dynamic obstacle avoidance due to limited field of view and inevitable blind spots. While active vision strategies that steer onboard cameras have been proposed to…

Robotics · Computer Science 2025-10-21 Chi Zhang , Xian Huang , Wei Dong

The diversity and complementarity of sensors available for Earth Observations (EO) calls for developing bespoke self-supervised multimodal learning approaches. However, current multimodal EO datasets and models typically focus on a single…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Guillaume Astruc , Nicolas Gonthier , Clement Mallet , Loic Landrieu

Operating Earth observing satellites requires efficient planning methods that coordinate activities of multiple spacecraft. The satellite task planning problem entails selecting actions that best satisfy mission objectives for autonomous…

Artificial Intelligence · Computer Science 2020-08-20 Duncan Eddy , Mykel J. Kochenderfer

Adaptive optics is a technique mostly used on large telescopes. It turns out to be challenging for smaller telescopes (0.5~2m) due to the small isoplanatic angle, small subapertures and high correction speeds needed at visible wavelengths,…

Instrumentation and Methods for Astrophysics · Physics 2023-10-12 Olivier Lai , Mark Chun , Stefan Kuiper , Niek Doelman , Marcel Carbillet , Mamadou N'Diaye , Frantz Martinache , Lyu Abe , Jean-Pierre Rivet , Dirk Schmidt

The time domain has been identified as one of the most important areas of astronomical research for the next decade. The Virtual Observatory is in the vanguard with dedicated tools and services that enable and facilitate the discovery,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Matthew J. Graham , S. G. Djorgovski , Ciro Donalek , Andrew J. Drake , Ashish A. Mahabal , Raymond L. Plante , Jeffrey Kantor , John C. Good

The low-frequency radio telescope of the Square Kilometre Array (SKA) is being built by the international radio astronomical community to (i) have orders of magnitude higher sensitivity and (ii) be able to map the sky several hundred times…

Instrumentation and Methods for Astrophysics · Physics 2023-05-29 Agaram Raghunathan , Keerthipriya Satish , Arasi Sathyamurthy , T. Prabu , B. S. Girish , K. S. Srivani , Shiv K. Sethi
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