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This report presents design considerations for automatically generating satellite imagery datasets for training machine learning models with emphasis placed on dense classification tasks, e.g. semantic segmentation. The implementation…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Michail Tarasiou , Stefanos Zafeiriou

This brief overview stresses the importance of laboratory data and theory in analyzing astronomical observations and understanding the physical and chemical processes that drive the astrophysical phenomena in our Universe. This includes…

Astrophysics of Galaxies · Physics 2020-10-14 Ewine F. van Dishoeck

Future short or long-term space missions require a new generation of monitoring and diagnostic systems due to communication impasses as well as limitations in specialized crew and equipment. Machine learning supported diagnostic systems…

Machine Learning · Computer Science 2021-06-11 Athanasios Vlontzos , Gabriel Sutherland , Siddha Ganju , Frank Soboczenski

Machine Learning is an efficient method for analyzing and interpreting the increasing amount of astronomical data that is available. In this study, we show, a pedagogical approach that should benefit anyone willing to experiment with Deep…

Instrumentation and Methods for Astrophysics · Physics 2022-02-01 Marwan Gebran , Kathleen Connick , Hikmat Farhat , Frédéric Paletou , Ian Bentley

Today, intelligent systems that offer artificial intelligence capabilities often rely on machine learning. Machine learning describes the capacity of systems to learn from problem-specific training data to automate the process of analytical…

Artificial Intelligence · Computer Science 2021-04-15 Christian Janiesch , Patrick Zschech , Kai Heinrich

Modern scientific data mainly consist of huge datasets gathered by a very large number of techniques and stored in very diversified and often incompatible data repositories. More in general, in the e-science environment, it is considered as…

Instrumentation and Methods for Astrophysics · Physics 2010-10-20 M. Brescia , G. Longo , F. Pasian

The days of the lone astronomer with his optical telescope and photographic plates are long gone: Astronomy in 2025 will not only be multi-wavelength, but multi-messenger, and dominated by huge data sets and matching data rates. Catalogues…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Michael Garrett

In modern astrophysics, the machine learning has increasingly gained more popularity with its incredibly powerful ability to make predictions or calculated suggestions for large amounts of data. We describe an application of the supervised…

Astrophysics of Galaxies · Physics 2018-12-26 Yu Bai , JiFeng Liu , Song Wang , Fan Yang

Observational astronomy has changed drastically in the last decade: manually driven target-by-target instruments have been replaced by fully automated robotic telescopes. Data acquisition methods have advanced to the point that terabytes of…

Machine Learning is a powerful tool for astrophysicists, which has already had significant uptake in the community. But there remain some barriers to entry, relating to proper understanding, the difficulty of interpretability, and the lack…

Instrumentation and Methods for Astrophysics · Physics 2025-08-06 Guillermo Cabrera , Sungwook E. Hong , Lilianne Nakazono , David Parkinson , Yuan-Sen Ting

Estimation of time delays from a noisy and gapped data is one of the simplest data analysis problems in astronomy by its formulation. But as history of real experiments show, the work with observed data sets can be quite complex and…

Instrumentation and Methods for Astrophysics · Physics 2011-05-31 A. Hirv , N. Olspert , J. Pelt

As our capacity to study ever-expanding domains of our science has increased (including the time domain, non-electromagnetic phenomena, magnetized plasmas, and numerous sky surveys in multiple wavebands with broad spatial coverage and…

Instrumentation and Methods for Astrophysics · Physics 2009-11-04 Kirk D. Borne , Suzanne Jacoby , K. Carney , A. Connolly , T. Eastman , M. J. Raddick , J. A. Tyson , J. Wallin

The field of astronomy has arrived at a turning point in terms of size and complexity of both datasets and scientific collaboration. Commensurately, algorithms and statistical models have begun to adapt --- e.g., via the onset of artificial…

A persistent challenge in astronomical machine learning is a systematic bias where predictions compress the dynamic range of true values-high values are consistently predicted too low while low values are predicted too high. Understanding…

Instrumentation and Methods for Astrophysics · Physics 2025-07-17 Yuan-Sen Ting

In time-domain astronomy, we need to use the relational database to manage star catalog data. With the development of sky survey technology, the size of star catalog data is larger, and the speed of data generation is faster. So, in this…

Databases · Computer Science 2018-11-28 Chen Yang , Xiaofeng Meng , Zhihui Du , Zhiqiang Duan , Yongjie Du

Observational astrophysics uses sophisticated technology to collect and measure electromagnetic and other radiation from beyond the Earth. Modern observatories produce large, complex datasets and extracting the maximum possible information…

Physics Education · Physics 2019-03-14 P. Barmby

From the moment astronomical observations are made the resulting data products begin to grow stale. Even if perfect binary copies are preserved through repeated timely migration to more robust storage media, data standards evolve and new…

Instrumentation and Methods for Astrophysics · Physics 2014-10-15 Rob Seaman

With the emerging technologies and all associated devices, it is predicted that massive amount of data will be created in the next few years, in fact, as much as 90% of current data were created in the last couple of years,a trend that will…

Machine Learning · Computer Science 2015-03-19 O. Y. Al-Jarrah , P. D. Yoo , S Muhaidat , G. K. Karagiannidis , K. Taha

The changing heavens have played a central role in the scientific effort of astronomers for centuries. Galileo's synoptic observations of the moons of Jupiter and the phases of Venus starting in 1610, provided strong refutation of Ptolemaic…

Instrumentation and Methods for Astrophysics · Physics 2015-03-19 Joshua S. Bloom , Joseph W. Richards

We present the MULTIMODAL UNIVERSE, a large-scale multimodal dataset of scientific astronomical data, compiled specifically to facilitate machine learning research. Overall, the MULTIMODAL UNIVERSE contains hundreds of millions of…