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Table 4 Calculated values of the quality of registration (score) and the (dis)similarity parameters of corresponding ldCT and hdCT image pairs in case of γ masking technique (data are rounded to two significant digits)

From: Automated procedure assessing the accuracy of HRCT–PET registration applied in functional virtual bronchoscopy

Pat Score (dis)similarity parameter
Pearson MI NMI HKL L1norm * 1e−7 L2norm2 * 1e−10
p01 54 0.86 0.44 1.21 0.44 20.55 13.61
p03 61 0.25 0.25 1.1 0.74 4.1 2.07
p04 59 0.74 0.44 1.21 0.62 15.1 10.4
p05 52 0.32 0.32 1.11 0.55 8.18 5.42
p06 52 0.31 0.31 1.11 0.74 5.89 3.45
p07 62 0.24 0.25 1.09 0.78 4.36 2.34
p08 60 0.28 0.28 1.1 0.8 4.71 2.45
p09 51 0.19 0.19 1.08 0.85 3.11 1.41
p10 37 0.19 0.2 1.09 0.76 4.75 2.5
p11 49 0.24 0.22 1.1 0.79 6.8 4.1
p12 62 0.47 0.47 1.17 0.79 5.35 2.88
p13 59 0.17 0.18 1.07 0.68 6.47 4.21
p14 30 0.15 0.15 1.06 0.75 7.03 4.15
p15 30 0.1 0.1 1.04 0.75 4.67 2.34
p16 53 0.41 0.31 1.13 0.69 10.52 6.87
p17 58 0.34 0.34 1.12 0.69 7.12 4.62
p18 50 0.2 0.2 1.08 0.84 3.83 1.58
p20 54 0.21 0.21 1.08 0.7 8.24 5.2
p21 60 0.43 0.43 1.17 0.81 2.47 1.08
p22 62 0.41 0.41 1.19 0.8 3.97 1.75
p23 62 0.22 0.22 1.08 0.62 10.57 7.32
p25 49 0.26 0.26 1.09 0.44 7.8 5.08