Table 1 Averaged absolute target position difference (cm).

From: Comparative study of sub-second temporal resolution 4D-MRI and 4D-CT for target motion assessment in a phantom model

  

Amplitude 1 cm

Amplitude 2 cm

Amplitude 3 cm

4DMRI

4DCT

4DMRI

4DCT

4DMRI

4DCT

Large

Regular

0.02 ± 0.01

0.01 ± 0.01

0.03 ± 0.02

0.01 ± 0.01

0.03 ± 0.03

0.02 ± 0.01

Fast

0.04 ± 0.03

0.01 ± 0.01

0.05 ± 0.03

0.02 ± 0.01

0.08 ± 0.05

0.03 ± 0.02

Small

Regular

0.04 ± 0.04

0.02 ± 0.01

0.05 ± 0.04

0.01 ± 0.01

0.06 ± 0.04

0.02 ± 0.01

Fast

0.04 ± 0.03

0.03 ± 0.03

0.04 ± 0.04

0.03 ± 0.02

0.07 ± 0.06

0.03 ± 0.03

  1. Absolute averaged position difference and standard deviation from the ground truth value in a regular motion pattern (5 s respiratory) and fast motion pattern (3 s respiratory).
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