Fig. 7From: Algorithms for joint activity–attenuation estimation from positron emission tomography scatterInfluence of FOV scale and reduced data. NMSE of ρ in the image domain as a function of iteration number for a MLEM-OSL vs. MLGA with a constant step size in FOVs of various sizes and b MLEM-OSL with full vs. reduced data (rabbit-sized and rat-sized FOV). Left, 9×9 voxels; right, 18×18 voxelsBack to article page