Domain Adaptation via Minimax Entropy for Real/Bogus Classification of Astronomical Alerts

no code implementations • 15 Aug 2023 • Guillermo Cabrera-Vives, César Bolivar, Francisco Förster, Alejandra M. Muñoz Arancibia, Manuel Pérez-Carrasco, Esteban Reyes

Time domain astronomy is advancing towards the analysis of multiple massive datasets in real time, prompting the development of multi-stream machine learning models.

Astronomy Domain Adaptation

Alert Classification for the ALeRCE Broker System: The Real-time Stamp Classifier

no code implementations • 7 Aug 2020 • Rodrigo Carrasco-Davis, Esteban Reyes, Camilo Valenzuela, Francisco Förster, Pablo A. Estévez, Giuliano Pignata, Franz E. Bauer, Ignacio Reyes, Paula Sánchez-Sáez, Guillermo Cabrera-Vives, Susana Eyheramendy, Márcio Catelan, Javier Arredondo, Ernesto Castillo-Navarrete, Diego Rodríguez-Mancini, Daniela Ruz-Mieres, Alberto Moya, Luis Sabatini-Gacitúa, Cristóbal Sepúlveda-Cobo, Ashish A. Mahabal, Javier Silva-Farfán, Ernesto Camacho-Iñiquez, Lluís Galbany

We present a real-time stamp classifier of astronomical events for the ALeRCE (Automatic Learning for the Rapid Classification of Events) broker.

General Classification

Transformation Based Deep Anomaly Detection in Astronomical Images

no code implementations • 15 May 2020 • Esteban Reyes, Pablo A. Estévez

In this work, we propose several enhancements to a geometric transformation based model for anomaly detection in images (GeoTranform).

Anomaly Detection Dimensionality Reduction