Research Article
Twin SVM-Based Classification of Alzheimer’s Disease Using Complex Dual-Tree Wavelet Principal Coefficients and LDA
Table 12
Algorithm performance comparison over OASIS MRI data.
| Algorithm | Accuracy | Sensitivity | Specificity | Precision |
| Proposed | 96.68 ± 1.44 | 97.72 ± 2.34 | 95.61 ± 1.67 | 96.13 ± 1.57 | DTCWT + PCA + TSVM | 95.46 ± 1.35 | 97.55 ± 1.26 | 93.36 ± 2.39 | 94.15 ± 2.01 | DWT + PCA + LDA + TSVM | 87.23 ± 1.65 | 89.61 ± 2.25 | 84.85 ± 1.66 | 86.66 ± 1.99 | DWT + PCA + TSVM | 86.19 ± 1.50 | 88.83 ± 1.98 | 83.5 ± 1.87 | 85.66 ± 1.84 | DTCWT + PCA + LDA + ANN | 88.59 + 2.08 | 88.75 + 2.75 | 89.55 + 3.96 | NA | DTCWT + PCA + LDA + KNN | 83.69 + 1.57 | 85.7 + 1.94 | 81.8 + 1.45 | NA | DTCWT + PCA + LDA + AdaBoost (tree) | 87.45 | 88.59 | 86.26 | NA | BRC + IG + SVM [26] | 90.00 (77.41, 96.26) | 96.88 (82.01, 99.84) | 77.78 (51.92, 92.63) | NA | BRC + IG + Bayes [26] | 92.00 (79.89, 97.41) | 93.75 (77.78, 98.27) | 88.89 (63.93, 98.05) | NA | BRC + IG + VFI [26] | 78.00 (63.67, 88.01) | 65.63 (46.78, 80.83) | 100.00 (78.12, 100) | NA | MGM + PEC + SVM [30] | 92.07 ± 1.12 | 86.67 ± 4.71 | N/A | 95.83 ± 5.89 | GEODAN + BD + SVM [30] | 92.09 ± 2.60 | 80.00 ± 4.00 | NA | 88.09 ± 5.33 | TJM + WTT + SVM [30] | 92.83 ± 0.91 | 86.33 ± 3.73 | N/A | 85.62 ± 0.85 | VBM + RF [28] | 89.0 ± 0.7 | 87.9 ± 1.2 | 90.0 ± 1.1 | NA | DF + PCA + SVM [14] | 88.27 ± 1.9 | 84.93 ± 1.21 | 89.21 ± 1.6 | 69.30 ± 1.91 | EB + WTT + SVM + RBF [29] | 86.71 ± 1.93 | 85.71 ± 1.91 | 86.99 ± 2.30 | 66.12 ± 4.16 | EB + WTT + SVM + Pol [29] | 92.36 ± 0.94 | 83.48 ± 3.27 | 94.90 ± 1.09 | 82.28 ± 2.78 | Curvelet + PCA + KNN [27] | 89.47 | 94.12 | 84.09 | NA | US + SVDPCA + SVM-DT [25] | 90 | 94 | 71 | NA |
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