1 code implementation • 3 Jul 2023 • Michael Mesarcik, Albert-Jan Boonstra, Marco Iacobelli, Elena Ranguelova, Cees de Laat, Rob van Nieuwpoort
We propose a new machine learning anomaly detection framework for classifying both commonly occurring anomalies in radio telescopes as well as detecting unknown rare anomalies that the system has potentially not yet seen.
1 code implementation • 11 Nov 2021 • Michael Mesarcik, Elena Ranguelova, Albert-Jan Boonstra, Rob V. van Nieuwpoort
We show that using nearest neighbours in the latent space of autoencoders (AE) significantly improves performance of semi-supervised novelty detection in both single and multi-class contexts.