TABLE 3

Quantitative Evaluation of Different Gyroid Structures Inside Cuboid Phantom

Iterations	No postprocessing filter	10-mm gaussian	20-mm gaussian
Activity concentration G1 (1:1) gyroid (HPGe-based): 0.64
12	0.81	0.74	0.58
24	0.79	0.74	0.58
48	0.76	0.71	0.57
Activity concentration G2 (1:3.5) gyroid (HPGe-based): 0.50
12	0.59	0.55	0.46
24	0.57	0.55	0.46
48	0.54	0.52	0.45
Activity concentration G3 (1:7.5) gyroid (HPGe-based): 0.29
12	0.33	0.31	0.26
24	0.32	0.31	0.26
48	0.29	0.29	0.25

Vertically are shown different numbers of iterations; horizontally are shown postfilters of different full widths at half maximum. All activity concentrations are given in MBq/mL.