A quantitative approach to reflectance transformation imaging in profilometric applications Eleonora Verni, Giacomo Fiocco, Emanuela Grifoni, Giulia Lippolis, Nicola Ludwig, Marco Malagodi, Marco Pisani, Tommaso Rovetta, Massimo Zucco and Marco Gargano Eur. Phys. J. Plus, 139 9 (2024) 807 Published online: 09 September 2024 DOI: 10.1140/epjp/s13360-024-05522-3