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. Author manuscript; available in PMC: 2020 Aug 2.
Published in final edited form as: IEEE Trans Med Imaging. 2015 Mar 20;34(9):1901–13. doi: 10.1109/TMI.2015.2415453

Table III.

Runtime and Memory Evaluation of Different System Configurations and Target Volume Resolutions.

input: 3 stacks, 255 slices × ~ 150 × 150 × 80 input: 6 stacks, 510 slices × ~ 150 × 150 × 80
1xCPU 12xCPU 1xGPU 2xGPU 1xCPU 12xCPU 1xGPU 2xGPU
target voxel size [mm] 1.0 0.5 1.0 0.5 1.0 0.5 1.0 0.5 1.0 0.5 1.0 0.5 1.0 0.5 1.0 0.5
a motion measurement [s] 4.36 4.36 4.36 4.36 0.76 0.76 0.76 0.76 8.72 8.72 8.72 8.72 1.46 1.46 1.46 1.46
b PSF volume update [s] 109.42 722.14 22.4 140.65 0.75 5.37 0.63 3.61 216.20 1458.40 42.33 278.64 1.48 8.94 0.78 4.74
c slice-to-volume reg. [s] 227.16 1841.09 32.12 249.99 31.95 246.90 23.68 202.34 468.97 3564.43 65.67 505.07 39.08 114.39 26.83 77.68

d update RS parameter [s] 6.51 35.38 1.86 9.68 0.31 5.94 0.29 1.32 12.99 69.01 3.71 18.733 1.56 3.32 0.61 2.83
e bias estimation [s] 13.13 49.79 2.01 6.99 0.07 0.07 0.08 0.08 25.99 25.23 3.93 3.91 0.43 0.44 0.15 0.15
f super-resolution [s] 8.23 72.62 1.91 14.92 0.68 5.94 0.48 4.64 12.26 90.59 2.66 19.47 1.36 12.38 1.12 10.52
g bias correction [s] 14.03 199.08 2.55 0.69 3.47 33.76 0.65 3.22 16.38 191.29 2.98 35.47 1.38 6.98 1.31 6.51

Total [min] 76.38 609.49 13.57 100.76 5.70 45.63 4.38 34.42 142.22 951.95 24.36 162.83 8.98 33.81 6.10 26.02

Total runtime approximation [s]: total = a + m ⋅ (b + c + n ⋅ (d + e + f + g) + ñ ⋅ (d + e + f + g))

Memory footprint [GB] > 10 > 12 > 12 > 20 < 0.5 < 0.5 < 0.5 < 0.5 > 16 > 24 > 16 > 24 < 1.0 < 1.0 < 1.0 < 1.0