Neural networks and PCA coefficients to identify and correct aberrations in adaptive optics A. Terreri, F. Pedichini, D. Del Moro, G. Li Causi, M. Stangalini, M. Mattioli and R. Piazzesi A&A, 666 (2022) A70 Published online: 10 October 2022 DOI: 10.1051/0004-6361/202142881