Neural networks in astronomy

  • Authors:
  • Roberto Tagliaferri;Giuseppe Longo;Leopoldo Milano;Fausto Acernese;Fabrizio Barone;Angelo Ciaramella;Rosario De Rosa;Ciro Donalek;Antonio Eleuteri;Giancarlo Raiconi;Salvatore Sessa;Antonino Staiano;Alfredo Volpicelli

  • Affiliations:
  • Departimento di Matematica e Informatica-DMI, Università di Salerno, Baronissi, Italy and INFM, unita de Salerno, via S. Allende, Baronissi, Italy;Dipartimento di Scienze Fisiche, Università Federico II, via Cinthia, Napoli, Italy and INAF, Osservatorio Astronomico di Capodimonte, via Moiariello 16, Napoli, Italy;Dipartimento di Scienze Fisiche, Università Federico II, via Cinthia, Napoli, Italy and INFN, Sezione di Napoli, via Cinthia, Napoli, Italy;Dipartimento di Scienze Fisiche, Università Federico II, via Cinthia, Napoli, Italy and INFN, Sezione di Napoli, via Cinthia, Napoli, Italy;INFN, Sezione di Napoli, via Cinthia, Napoli, Italy and Dipartimento di Scienze Farmaceutiche, Università di Salerno, Fisciano, Italy;Departimento di Matematica e Informatica-DMI, Università di Salerno, Baronissi, Italy and INFM, unita de Salerno, via S. Allende, Baronissi, Italy;Dipartimento di Scienze Fisiche, Università Federico II, via Cinthia, Napoli, Italy and INFN, Sezione di Napoli, via Cinthia, Napoli, Italy;Dipartimento di Scienze Fisiche, Università Federico II, via Cinthia, Napoli, Italy and INAF, Osservatorio Astronomico di Capodimonte, via Moiariello 16, Napoli, Italy;INFN, Sezione di Napoli, via Cinthia, Napoli, Italy and Dipartimento di Matematica ed Applicazioni, Università Federico II, via Cinthia, Napoli, Italy;Departimento di Matematica e Informatica-DMI, Università di Salerno, Baronissi, Italy;DICOMMA, Università Federico II,via Monteoliveto, 3, Napoli Italy;Departimento di Matematica e Informatica-DMI, Università di Salerno, Baronissi, Italy and INFM, unita de Salerno, via S. Allende, Baronissi, Italy;Departimento di Matematica e Informatica-DMI, Università di Salerno, Baronissi, Italy and INAF, Osservatorio Astronomico di Capodimonte,via Moiariello 16, Napoli, Italy

  • Venue:
  • Neural Networks - 2003 Special issue: Neural network analysis of complex scientific data: Astronomy and geosciences
  • Year:
  • 2003

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Abstract

In the last decade, the use of neural networks (NN) and of other soft computing methods has begun to spread also in the astronomical community which, due to the required accuracy of the measurements, is usually reluctant to use automatic tools to perform even the most common tasks of a data reduction and data mining. The federation of heterogeneous large astronomical database which is foreseen in the framework of the astrophysical virtual observatory and national virtual observatory projects, is, however, posing unprecedented data mining and visualization problems which will find a rather natural and user friendly answer in artificial intelligence tools based NNs, fuzzy sets or genetic algorithms. This review is aimed to both astronomers (who often have little knowledge of the methodological background) and computer scientists (who often know little about potentially interesting applications), and therefore will be structured as follows: after giving a short introduction to the subject, we shall summarize the methodological background and focus our attention on some of the most interesting fields of application, namely: object extraction and classification, time series analysis, noise identification, and data mining. Most of the original work described in the paper has been performed in the framework of the AstroNeural collaboration (Napoli-Salerno).