Research Article
Brain Tumor Segmentation Based on Hybrid Clustering and Morphological Operations
Table 3
Comparison of four clustering algorithms and the proposed algorithm.
| Clustering methods | Evaluations | Patient 1 | Patient 2 | Patient 3 |
| K-means | Dice | 0.9001 | 0.9316 | 0.8298 | Sensitivity | 0.9630 | 0.9064 | 0.9424 | Specificity | 0.9952 | 0.9984 | 0.9780 | Recall | 0.8449 | 0.9583 | 0.7412 |
| FCM | Dice | 0.9137 | 0.9341 | 0.9004 | Sensitivity | 0.9263 | 0.8905 | 0.9336 | Specificity | 0.9971 | 0.9994 | 0.9880 | Recall | 0.9015 | 0.9823 | 0.8694 |
| sFCM | Dice | 0.8169 | 0.9258 | 0.9144 | Sensitivity | 0.7112 | 0.8645 | 0.9290 | Specificity | 0.9968 | 0.9994 | 0.9878 | Recall | 0.9597 | 0.9965 | 0.9002 |
| csFCM | Dice | 0.8069 | 0.9179 | 0.9166 | Sensitivity | 0.6960 | 0.8540 | 0.9290 | Specificity | 0.9971 | 0.9996 | 0.9880 | Recall | 0.9597 | 0.9922 | 0.9045 |
| Proposed | Dice | 0.9261 | 0.9400 | 0.8978 | Sensitivity | 0.9622 | 0.9184 | 0.9380 | Specificity | 0.9971 | 0.9996 | 0.9881 | Recall | 0.8926 | 0.9625 | 0.8608 |
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