Table 9 Error in mm of respiratory motion given by models (1) and (9) compared to the reference motion from the phantom.

From: Estimation of optimal number of gates in dual gated 18F-FDG cardiac PET

Model

Motion

Target

RMSE

MD

Absolute value

(1)

Respiratory

Largest hot spot

0.38

0.30

0.00–0.73

(1)

Respiratory

Average of all

0.44

0.35

0.00–0.78

(9)

Respiratory

Largest hot spot

0.33

0.28

0.02–0.73

(9)

Respiratory

Average of all

0.38

0.35

0.05–0.69

  1. Absolute value refers to the absolute difference of estimated motion from the model and the reference motion.
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