Time-oversampling and regression as a training framework to mitigate the data scarcity and class imbalances problem in the forecast of strong flares with deep learning

Gregoire Francisco1, Dario Del Moro1, Teresa Barata2 and João Manuel Fernandes3, (1)University of Rome Tor Vergata, Physics, Rome, Italy, (2)University of Coimbra, IA-UC, Faculty of Sciences and Technologies, Coimbra, Portugal, (3)University of Coimbra, CITEUC, Coimbra, Portugal