7–12 Jul 2024
Aurum, the ‘Gabriele d’Annunzio’ University and ICRANet
Europe/Rome timezone

Leveraging Transfer Learning for Astronomical Image Analysis

11 Jul 2024, 15:32
27m
Cascella (Aurum)

Cascella

Aurum

Largo Gardone Riviera, Pescara, Italy
Invited talk in a parallel session Cosmic Insights from Big Data: How Machine Learning is Decoding the Universe Cosmic Insights from Big Data: How Machine Learning is Decoding the Universe

Speaker

Dr Stefano Cavuoti (INAF - Astronomical Observatory of Capodimonte Napoli)

Description

This presentation explores some applications of transfer learning in astronomical image analysis, focusing on the usage of a pretrained network (EfficientNet) as a feature extractor. We discuss methods for identifying active galactic nuclei, extracting physical parameters, and detecting anomalies in time series data. Additionally, we present some potential future applications, demonstrating the versatility of this approach, even without a training phase.

Primary author

Dr Stefano Cavuoti (INAF - Astronomical Observatory of Capodimonte Napoli)

Co-authors

Dr Demetra De Cicco (University of Napoli “Federico II”) Mr Lars Doorenbos (AIMI, ARTORG Center, University of Bern) Mr Gianluca Sasanelli (University of Napoli “Federico II”) Dr Olena Torbaniuk (University of Bologna) Prof. Massimo Brescia (University of Napoli “Federico II”) Prof. Giuseppe Longo (University of Napoli “Federico II”) Dr Pablo Márquez-Neila (AIMI, ARTORG Center, University of Bern) Prof. Maurizio Paolillo (University of Napoli “Federico II”) Prof. Raphael Sznitman (AIMI, ARTORG Center, University of Bern) Dr Crescenzo Tortora (INAF - Astronomical Observatory of Capodimonte Napoli)

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Proceedings

Paper