| UST | Ultrasound tomography |
| CT | Computerized tomography |
| MRI | Magnetic resonance imaging |
| GC3D | Three-dimensional GrabCut that takes six-connected neighboring voxels into computing |
| GC | GrabCut |
| GC3D_26 | Three-dimensional GrabCut that takes 26-connected neighboring voxels into computing |
| sSNAKE | A simplified SNAKE or active contour method |
| GMM | Gaussian mixture model |
| TO | Target overlap |
| MO | Mean overlap |
| FP | False positive |
| FN | False negative |
| TC | Time consumption |