Table 3 Segmentation results of an ablation study of the proposed model on the four validation datasets.
Dataset | Model | Recall | Precision | DSC | IOU | HD (mm) |
|---|---|---|---|---|---|---|
Left lobe | 3D U-Net | 0.838 ± 0.124 | 0.803 ± 0.081 | 0.771 ± 0.082 | 0.783 ± 0.127 | 6.895 ± 1.794 |
AU-Net | 0.838 ± 0.122 | 0.808 ± 0.086 | 0.785 ± 0.081 | 0.776 ± 0.128 | 6.691 ± 1.785 | |
AU-Net w/ DS | 0.847 ± 0.121 | 0.812 ± 0.083 | 0.787 ± 0.082 | 0.779 ± 0.128 | 6.630 ± 1.732 | |
DALU-Net | 0.851 ± 0.121 | 0.806 ± 0.083 | 0.789 ± 0.084 | 0.787 ± 0.128 | 6.629 ± 1.696 | |
Right lobe | 3D U-Net | 0.966 ± 0.069 | 0.786 ± 0.067 | 0.855 ± 0.065 | 0.821 ± 0.138 | 5.144 ± 1.635 |
AU-Net | 0.966 ± 0.067 | 0.807 ± 0.072 | 0.867 ± 0.037 | 0.856 ± 0.115 | 5.125 ± 1.714 | |
AU-Net w/ DS | 0.972 ± 0.063 | 0.804 ± 0.071 | 0.868 ± 0.066 | 0.827 ± 0.121 | 5.087 ± 1.731 | |
DALU-Net | 0.975 ± 0.058 | 0.805 ± 0.071 | 0.869 ± 0.067 | 0.896 ± 0.141 | 5.074 ± 1.705 | |
Caudate lobe | 3D U-Net | 0.825 ± 0.326 | 0.793 ± 0.316 | 0.849 ± 0.307 | 0.819 ± 0.316 | 2.133 ± 1.476 |
AU-Net | 0.905 ± 0.241 | 0.817 ± 0.209 | 0.922 ± 0.236 | 0.896 ± 0.236 | 1.557 ± 1.273 | |
AU-Net w/ DS | 0.914 ± 0.229 | 0.822 ± 0.217 | 0.929 ± 0.215 | 0.907 ± 0.222 | 1.583 ± 1.221 | |
DALU-Net | 0.943 ± 0.183 | 0.877 ± 0.174 | 0.955 ± 0.167 | 0.936 ± 0.181 | 1.238 ± 1.131 | |
Whole liver | 3D U-Net | 0.899 ± 0.155 | 0.850 ± 0.287 | 0.822 ± 0.295 | 0.770 ± 0.288 | 3.236 ± 1.256 |
AU-Net | 0.891 ± 0.162 | 0.893 ± 0.241 | 0.852 ± 0.258 | 0.800 ± 0.259 | 3.280 ± 0.982 | |
AU-Net w/ DS | 0.922 ± 0.110 | 0.907 ± 0.213 | 0.887 ± 0.218 | 0.840 ± 0.219 | 2.980 ± 0.784 | |
DALU-Net | 0.923 ± 0.120 | 0.924 ± 0.188 | 0.899 ± 0.201 | 0.855 ± 0.205 | 2.762 ± 0.728 |