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Table 1 Error statistics for PET images and AC-maps; mean values, standard deviations (SD) mean absolute error (MAE) and root mean square error (RMSE)

From: Improved PET/MRI attenuation correction in the pelvic region using a statistical decomposition method on T2-weighted images

 

PET

AC-map

 

Mean

SD

MAE

RMSE

Mean

SD

MAE

RMSE

Dixon whole volume

− 5.4%

6.7%

6.1%

8.6%

− 2.9%

6.3%

3.7%

6.9%

SDA whole volume

− 0.9%

3.5%

2.5%

3.6%

− 0.6%

3.6%

2.1%

3.6%

Dixon bone

− 17.7%

8.4%

17.7%

19.5%

− 16.3%

6.7%

16.3%

17.6%

SDA bone

− 4.2%

5.7%

5.4%

7.1%

− 4.4%

6.5%

5.3%

6.8%

Dixon soft tissue

− 3.6%

4.0%

4.3%

5.4%

− 0.9%

2.6%

1.8%

2.7%

SDA soft tissue

− 0.5%

2.7%

2.1%

2.8%

− 0.3%

2.4%

1.7%

2.4%

  1. Mean values, standard deviations (SD), mean absolute error (MAE), and root mean square error (RMSE) for voxels classified as bone or soft tissue and for whole volume