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. Author manuscript; available in PMC: 2017 Nov 7.
Published in final edited form as: Phys Med Biol. 2016 Oct 14;61(21):7639–7651. doi: 10.1088/0031-9155/61/21/7639

Figure 12.

Figure 12

Energy spectrum (all crystals) and flood histogram for a detector module based on a 4×4=16 SiPM array with a 4 bit binary positioning network. Since there are 4 position channels the flood map has 4 dimensions. To display the flood map, position channel 1 and 2 signal magnitudes are plotted in the center flood map. Each of the eight clusters in the center flood map show events from 4 crystals. These are seen when the channel 3 and 4 flood map of each cluster is plotted. These 8 outer flood maps show all 32 crystals in the array.