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Table 1 Hardware-vs.-software compariso n

From: Gating, enhanced gating, and beyond: information utilization strategies for motion management, applied to preclinical PET

Scan number Events in scan (trues), ×10 8 Median respiratory period (s) Maximum COM displacement (mm) Motion observed by all four independent observers
Software Hardware Difference Software Hardware Difference
1 1.4 1.00 0.98 0.02 1.16 1.20 −0.04 Yes
2 1.4 1.20 1.23 −0.03 0.47 0.33 0.14 Yes
3 1.6 1.10 1.06 0.04 0.96 0.91 0.05 Yes
4 1.6 1.20 1.21 −0.01 1.37 1.89 −0.52 Yes
5 1.6 1.30 1.26 0.04 0.28 0.37 −0.09 Yes
6 1.9 1.10 1.07 0.03 1.48 1.40 0.08 Yes
7 2.1 1.20 1.22 −0.02 0.19 0.21 −0.02 Yes
8 2.1 1.20 1.15 0.05 1.43 1.51 −0.08 Yes
9 2.3 1.10 1.12 −0.02 0.94 0.92 0.02 Yes
10 2.5 0.90 1.18 −0.28 0.26 0.16 0.10 No
11 2.6 1.20 1.23 −0.03 1.38 1.55 −0.17 Yes
12 2.6 1.40 1.35 0.04 0.21 0.20 0.01 Yes
13 2.7 1.20 1.24 −0.04 0.58 0.58 −0.01 Yes
14 2.9 1.20 1.15 0.05 1.08 1.03 0.04 Yes
15 2.9 1.10 1.06 0.04 0.34 0.32 0.02 Yes
16 3.0 1.20 1.22 −0.02 0.26 0.33 −0.07 Yes
17 3.1 1.20 1.30 −0.10 0.21 0.26 −0.05 No
18 3.1 1.20 1.17 0.03 0.35 0.37 −0.03 Yes
19 3.5 1.10 1.14 −0.04 0.19 0.23 −0.04 Yes
20 3.5 1.20 1.16 0.04 0.16 0.19 −0.03 Yes
21 3.9 1.10 1.06 0.04 1.36 1.27 0.09 Yes
22 4.2 1.20 1.16 0.04 1.49 1.51 −0.02 Yes
23 4.8 1.10 1.07 0.03 1.30 1.47 −0.17 Yes
24 4.9 1.10 1.10 0.00 1.07 1.12 −0.06 Yes
  1. Summary of median respiratory periods and maximum COM displacement for 24 scans acquired using both software and hardware gating triggers.