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Table 2 Patient-individual mean Target Registration Error (TRE in mm) after Landmark Based Fusion (LBF), registration based fusions (RBF) and the proposed Rigid Image Fusion (RIF), latter performed based on RBF.

From: Automatic rigid image Fusion of preoperative MR and intraoperative US acquired after craniotomy

Patient ID

LBF

RBF

RIF (after RBF)

1

1.18

7.38

2.23

3

1.11

3.78

3.25

4

1.05

3.04

1.16

5

1.59

2.60

2.42

6

0.58

3.67

0.88

7

0.45

2.23

0.62

8

2.35

5.23

3.25

9

1.47

3.86

1.68

10

2.35

4.37

2.60

11

1.27

3.75

1.56

12

1.25

4.37

3.17

Mean

1.33

4.03

2.08

Standard deviation

0.61

1.40

0.96