Table 3 Comparison of image metrics and simulation results with manual segmentation.
Automatic segmentation + erosion (2 pixels) | Automatic segmentation + erosion (1 pixel) | Automatic segmentation | Automatic segmentation + dilation (1 pixel) | Automatic segmentation + dilation (2 pixel) | ||
|---|---|---|---|---|---|---|
Femurs | DICE | 0.882 ± 0.026 | 0.933 ± 0.012 | 0.974 ± 0.008 | 0.959 ± 0.013 | 0.920 ± 0.026 |
Absolute mean of difference with manual FL (N) | 473 ± 336 | 168 ± 105 | 119 ± 66 | 132 ± 121 | 203 ± 201 | |
Absolute mean of difference with manual FL (%) | 7.42 ± 5.00 | 3.19 ± 2.55 | 2.25 ± 1.91 | 2.79 ± 3.37 | 4.45 ± 5.42 | |
Vertebrae | DICE | 0.763 ± 0.055 | 0.855 ± 0.050 | 0.929 ± 0.045 | 0.920 ± 0.043 | 0.862 ± 0.046 |
Absolute mean of difference with manual FL (N) | 2320 ± 449 | 832 ± 420 | 503 ± 505 | 500 ± 537 | 1126 ± 676 | |
Absolute mean of difference with manual FL (%) | 38.69 ± 6.81 | 16.11 ± 9.11 | 7.53 ± 8.17 | 8.63 ± 11.18 | 19.00 ± 12.89 | |
