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Table 7 Results obtained for human cases

From: Optimizing parameters of an open-source airway segmentation algorithm using different CT images

 

Volume (mm3)

Branch count

Branch length (mm)

Leakage score

(a) Cases provided by CUH

 CUH 1

41,270.59

84

1,369.69

3 ± 1.15

 CUH 2

34,772.03

106

1,505.25

2.50 ± 0.58

 CUH 3

41,369.35

96

1,610.39

3.25 ± 0.50

 CUH 4

58,288.49

88

1,425.97

3.25 ± 0.50

 

Branch count

Branch detected (%)

Tree length (cm)

Tree length detected (%)

Leakage count

Leakage volume (mm3)

False positive rate

Leakage score

(b) Cases selected from the EXACT’09 cases

 Case 24

72

38.7

57.0

35.1

23

245.9

1.82

2.75 ± 0.50

 Case 25a

108

46.2

82.7

32.8

5

29.2

0.20

2.50 ± 0.58

 Case 28

69

56.1

47.7

43.6

0

0.0

0.0

3.25 ± 0.50

 Case 29a

93

50.5

62.2

45.0

1

9.0

0.12

3.50 ± 0.58

 Case 37

64

34.6

54.4

30.6

1

2.7

0.03

2.50 ± 0.58

 Case 38a

37

37.8

27.3

41.1

3

4.0

0.08

3.00 ± 0.00

  1. aScan was acquired from the same subject as the previous ones.