Pyramid wavefront sensor optical gains compensation using a convolutional model V. Chambouleyron, O. Fauvarque, P. Janin-Potiron, C. Correia, J-F. Sauvage, N. Schwartz, B. Neichel and T. Fusco A&A, 644 (2020) A6 Published online: 24 November 2020 DOI: 10.1051/0004-6361/202037836