| Proposed algorithm | Constant-ratio threshold algorithms | |
Large | Small | ||
Detection rate [%] | 99.5 (89.7 - 100) | 91.0 (11.4 - 100) | 96.1 (62.9 - 100) |
Positional error [mm] |
|
|
|
Left-right | 0.16 (0.11 - 0.39) | 0.16 (0.11 - 5.52) | 2.62 (0.12 - 16.62) |
Cranio-caudal | 0.16 (0.10 - 0.25) | 0.16 (0.10 - 3.47) | 2.16 (0.10 - 32.36) |
Anterior-posterior | 0.21 (0.12 - 0.39) | 0.21 (0.12 - 3.14) | 1.87 (0.13 - 21.20) |
Detection rate under an error of 1.0 mm [%] | 99.5 (89.7 - 100) | 90.9 (11.4 - 100) | 94.7 (62.9 - 100) |