Research Article
An Ensemble-of-Classifiers Based Approach for Early Diagnosis of Alzheimer’s Disease: Classification Using Structural Features of Brain Images
Table 2
Results of the classification.
| | Features | SVM | MLP | J48 | Ensemble of classifiers | | ACC% | SPE% | SEN% | ACC% | SPE% | SEN% | ACC% | SPE% | SEN% | ACC% | SPE% | SEN% |
| | Volume of GM | 81.25 | 87.5 | 75 | 81.25 | 87.5 | 75 | 75 | 87.5 | 62.5 | 87.5 | 100 | 75 | | Volume of WM | 56.25 | 62.5 | 50 | 68.75 | 87.5 | 50 | 68.75 | 75 | 62.5 | 68.5 | 87.5 | 50 | | Volume of CSF | 37.5 | 37.5 | 37.5 | 43.75 | 62.5 | 25 | 37.5 | 75 | 25 | 50 | 62.5 | 37.5 | | Volume of GM + WM + CSF | 81.25 | 87.5 | 75 | 87.5 | 100 | 75 | 75 | 87.5 | 62.5 | 87.5 | 100 | 75 | | Area of left hippocampus | 93.75 | 100 | 87.5 | 93.75 | 100 | 87.5 | 87.5 | 100 | 75 | 93.75 | 100 | 87.5 | | Area of right hippocampus | 75 | 87.5 | 62.5 | 75 | 87.5 | 62.5 | 62.5 | 75 | 50 | 81.5 | 100 | 62.5 | | Area of left + right hippocampus | 87.5 | 100 | 75 | 93.5 | 100 | 87.5 | 87.5 | 100 | 75 | 93.75 | 100 | 87.5 | | Combined features | 87.5 | 100 | 62.5 | 68.75 | 75 | 62.5 | 87.5 | 100 | 75 | 93.75 | 100 | 87.5 |
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ACC: accuracy, SPE: specificity, SEN: sensitivity.
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