Table IV.
Comparison of the proposed segmentation method to previous work where applicable. Mean ± standard deviation of the segmentation error metrics for the whole prostate gland.
| Method | Year | Semiautomatic / Automatic | No. test images | DSC (%) | MAD (mm) | HDist (mm) | ΔV (cm3) | ΔV (%) | Execution Time (min) |
|---|---|---|---|---|---|---|---|---|---|
| Proposed algorithm | 2018 | Semiautomatic | 14 | 86 ± 3 | 1.4 ± 0.4 | 8.5 ± 2.0 | −3.7 ± 3.1 | −17 ± 11 | 0.5 ± 0.15 |
| Jia et al. [9] | 2017 | Automatic | - | 91 ± 4 | 1.6 ± 0.4 | 4.6 ± 1.8 | - | - | ~40 |
| Tian et al. [16] | 2017 | Semiautomatic | 43 | 87 ± 2 | 2.1 ± 0.4 | 9.9 ± 1.8 | - | −5 ± 8 | 0.67 |
| Cheng at al. [7] | 2017 | Automatic | 250 | 90 ± 3 | - | 13.5 ± 7.9 | - | - | 0.05 |
| Shahedi et al. [12] | 2017 | Automatic | 42 | 71 ± 11 | 3.2 ± 1.2 | - | −3.6 ± 10.4 | −8 ± 20 | 0.28 ± 0.07 |
| Tian et al. [15] | 2016 | Semiautomatic | 43 | 89 ± 2 | 1.7 ± 0.4 | 8.7 ± 2.7 | - | 1 ± 8 | 0.58 |
| Korsager et al. [10] | 2015 | Semiautomatic | 67 | 88 | 1.5 | - | - | 12 | > 1 |
| Tian et al. [14] | 2015 | Automatic | 12 | 83 ± 4 | - | 9.3 ± 2.6 | - | - | 4 |
| Mahapatra and Buhmann [11] | 2014 | Automatic | 30 | 81 ± 5 | - | 5.9 ± 2.1 | - | - | 20 to 25 |
| Shahedi et al. [13] | 2014 | Semiautomatic | 42 | 82 ± 4 | 2.0 ± 0.5 | - | −4.6 ± 7.2 | −12 ± 14 | 1.88 |
| Liao et al. [33] | 2013 | Automatic | 66 | 88 ± 3 | 1.8 ± 0.9 | 7.7 ± 2.1 | - | - | 2.9 |
| Toth et al. [34] | 2012 | Semiautomatic | 108 | 88 ± 5 | 1.5 ± 0.8 | - | - | - | 2.57 |