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Table 1 Execution time of the CPU-based and GPU-based collateral filters

From: An automatic restoration framework based on GPU-accelerated collateral filtering in brain MR images

Image number

CPU (s)

GPU without SM (s)

GPU with SM (s)

Speed up

1

0.63

0.14

0.018

34

10

6.06

0.16

0.027

224

100

58.78

0.24

0.108

541

500

260.52

0.59

0.425

612

1000

512.38

1.05

0.871

588