Research Article
Automatic Detection of 2D and 3D Lung Nodules in Chest Spiral CT Scans
Table 1
Detection rate for different types of abnormalities (TPNs: the nodules determined by a radiologist).
| Type of lung nodules | True detecting | False detecting | True detecting | False detecting | nodules before | nodules before | nodules after | nodules after | removing FPNs | removing FPNs | removing FPNs | removing FPNs |
| Lung wall | 28 : 29 | 8 | 27 : 29 | 2 | Calcified | 46 : 49 | 4 | 46 : 49 | 1 | Non-calcified | 12 : 18 | 5 | 12 : 18 | 3 | Cavity | 8 : 11 | 7 | 8 : 11 | 1 | Small | 17 : 23 | 25 | 15 : 23 | 5 |
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