Tsutsui Y, Awamoto S, Himuro K, Umezu Y, Baba S, Sasaki M. Characteristics of smoothing filters to achieve the guideline recommended positron emission tomography image without harmonization. Asia Ocean J Nucl Med Biol. 2018;6(1):15-23.
Nakahara T, Daisaki H, Yamamoto Y, Iimori T, Miyagawa K, Okamoto T, et al. Use of a digital phantom developed by QIBA for harmonizing SUVs obtained from the state-of-the-art SPECT/CT systems: a multicenter study. EJNMMI Res. 2017;7(1):53.
Pierce LA 2nd, Elston BF, Clunie DA, Nelson D, Kinahan PE. A digital reference object to analyze calculation accuracy of PET standardized uptake value. Radiology. 2015;277(2):538-45.