TASK-BASED STUDY OF DETECTABILITY FOR DOSE REDUCTION USING DIFFERENT MODEL BASED ITERATIVE RECONSTRUCTION FOR THREE COMPUTED TOMOGRAPHY SYSTEMS. (December 2022) - Muti, Gaia; Berta, Luca; Riga, Stefano; De Mattia, Cristina; Jacopo Felisi, Marco Maria; Torresin, Alberto; Colombo, Paola Enrica