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. Author manuscript; available in PMC: 2017 Jan 6.
Published in final edited form as: Phys Med. 2016 Jan 6;32(1):12–22. doi: 10.1016/j.ejmp.2015.12.007

Figure 4.

Figure 4

Reconstructed images from a NEMA image quality phantom using full or partial angular data acquired on a clinical TOF PET/CT. The six hot spheres in a ring have diameters of 37, 28, 22, 17, 13, and 10 mm and have an activity uptake of 9.7:1 with respect to background. The central cold region is a lung insert.