Analysis of the Cherenkov Telescope Array first Large-Sized Telescope real data using convolutional neural networks - Vuillaume T; Jacquemont M; de Bony de Lavergne M; Sanchez DA; Poireau V; Maurin G; Benoit A; Lambert P; Lamanna G; Abe H; Aguasca A; Agudo I; et al. (Proceedings Of Science, 2022)