Table 5 Results obtained from the twenty test cases of the EXACT’09 project
From: Optimizing parameters of an open-source airway segmentation algorithm using different CT images
Branch count | Branch detected (%) | Tree length (cm) | Tree length detected (%) | Leakage count | Leakage volume (mm3) | False positive rate (%) | |
|---|---|---|---|---|---|---|---|
Case 21 | 98 | 49.2 | 51.1 | 46.2 | 1 | 0.2 | <0.01 |
Case 22 | 141 | 36.4 | 98.6 | 29.8 | 13 | 77.7 | 0.60 |
Case 23 | 126 | 44.4 | 90.5 | 34.8 | 12 | 119.8 | 1.02 |
Case 24 | 72 | 38.7 | 57.0 | 35.1 | 23 | 245.9 | 1.82 |
Case 25 | 108 | 46.2 | 82.7 | 32.8 | 5 | 29.2 | 0.20 |
Case 26 | 32 | 40.0 | 21.6 | 32.8 | 2 | 226.3 | 7.53 |
Case 27 | 41 | 40.6 | 30.1 | 37.1 | 0 | 0.0 | 0.00 |
Case 28 | 69 | 56.1 | 47.7 | 43.6 | 0 | 0.0 | 0.00 |
Case 29 | 93 | 50.5 | 62.2 | 45.0 | 1 | 9.0 | 0.12 |
Case 30 | 79 | 40.5 | 57.0 | 37.3 | 0 | 0.0 | 0.00 |
Case 31 | 99 | 46.3 | 70.3 | 40.0 | 2 | 73.9 | 0.74 |
Case 32 | 89 | 38.2 | 73.2 | 33.6 | 2 | 29.9 | 0.26 |
Case 33 | 85 | 50.6 | 62.1 | 42.2 | 0 | 0.0 | 0.00 |
Case 34 | 264 | 57.6 | 195.7 | 54.7 | 16 | 89.5 | 0.41 |
Case 35 | 146 | 42.4 | 108.9 | 35.2 | 1 | 23.7 | 0.19 |
Case 36 | 121 | 33.2 | 122.8 | 29.8 | 2 | 2.6 | 0.03 |
Case 37 | 64 | 34.6 | 54.4 | 30.6 | 1 | 2.7 | 0.03 |
Case 38 | 37 | 37.8 | 27.3 | 41.1 | 3 | 4.0 | 0.08 |
Case 39 | 113 | 21.7 | 97.6 | 23.8 | 5 | 92.0 | 1.01 |
Case 40 | 102 | 26.2 | 91.2 | 23.6 | 5 | 21.5 | 0.17 |
Mean | 99.0 | 41.6 | 75.1 | 36.5 | 4.7 | 52.4 | 0.71 |
SD | 50.3 | 9.0 | 39.4 | 7.6 | 6.3 | 73.3 | 1.67 |
Min | 32 | 21.7 | 21.6 | 23.6 | 0 | 0.0 | 0.00 |
1st quartile | 69 | 36.4 | 51.1 | 30.6 | 1 | 0.2 | <0.01 |
Median | 96 | 40.6 | 66.2 | 35.1 | 2 | 22.6 | 0.18 |
3rd quartile | 126 | 50.5 | 98.6 | 43.6 | 12 | 92.0 | 1.01 |
Max | 264 | 57.6 | 195.7 | 54.7 | 23 | 245.9 | 7.53 |