Table 2. Quantitative comparison of the Dice measures obtained by the PET-only, MRI-only and proposed methods for 16 labels.
| Label No. | Name | PET-only | MRI-only | Proposed method |
|---|---|---|---|---|
| 1 | Left-Cerebral-White-Matter | 76.81% | 93.82% | 94.95% |
| 2 | Left-Cerebral-Cortex | 70.38% | 89.33% | 91.07% |
| 3 | Left-Lateral-Ventricle | 71.68% | 91.11% | 92.37% |
| 7 | Left-Thalamus-Proper | 80.82% | 90.80% | 91.58% |
| 8 | Left-Caudate | 80.91% | 88.61% | 90.86% |
| 10 | Left-Pallidum | 78.74% | 84.78% | 86.04% |
| 13 | Brain-Stem | 88.37% | 93.53% | 94.07% |
| 15 | Left-Amygdala | 74.44% | 82.94% | 84.65% |
| 18 | Left-Ventral DC | 71.45% | 84.99% | 86.08% |
| 22 | Right-Cerebral-Cortex | 70.93% | 89.75% | 91.26% |
| 23 | Right-Lateral-Ventricle | 69.05% | 90.32% | 91.66% |
| 27 | Right-Thalamus-Proper | 81.19% | 90.22% | 91.52% |
| 28 | Right-Caudate | 81.26% | 88.23% | 90.14% |
| 36 | Right-Choroid-Plexus | 00.00% | 58.20% | 60.77% |
| 42 | Cerebral Cortex_Central | 59.43% | 68.54% | 71.83% |
| 44 | Cerebral Cortex_Anterior | 71.92% | 78.35% | 81.02% |
| Overall | – | 70.46% | 85.22% | 86.87% |
DC, dorsal caudate; MRI, magnetic resonance imaging; PET, positron emission tomography.