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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: IEEE Trans Med Imaging. 2012 Mar 6;31(7):1461–1471. doi: 10.1109/TMI.2012.2190088

Fig. 10.

Fig. 10

Sphere phantom: Statistics - Central transverse images of the sphere phantom with 430-ps TOF resolution for (a) 76 M, (b) 38 M, (c) 19 M, (d) 9.5 M, and (e) 4.7 M true events. The images are shown for 40 angular views and 3 tilts after 40 iterations with DIRECT-RAMLA.