Fig. 4From: Understanding the importance of quality control and quality assurance in preclinical PET/CT imagingReconstructed images of a homogeneous phantom reconstructed with 2D filtered backprojection (FBP), ordered subset expectation maximization (OSEM) in 2D and 3D and a combination of OSEM3D with maximum a posteriori (OSEM3D/MAP)Back to article page