Table 4 Classification accuracy of off-PD versus HC using KNN classifier with 10 × tenfold CV.
FE methods | Without DWT | With DWT decomposition | With DWT dec. and recon |
|---|---|---|---|
Energy | 90.26 ± 4.53 | 96.87 ± 1.81 | 97.00 ± 2.34 |
LBP | 88.96 ± 4.89 | 97.36 ± 3.15 | 97.03 ± 2.08 |
LogEn | 91.58 ± 3.07 | 96.87 ± 2.12 | 97.94 ± 1.71 |
ShEn | 81.67 ± 3.47 | 80.37 ± 5.32 | 80.33 ± 4.61 |
ThEn | 62.20 ± 8.45 | 99.51 ± 1.11 | 99.72 ± 0.66 |
SuEn | 86.96 ± 3.98 | 98.68 ± 1.05 | 99.66 ± 0.76 |
NoEn | 87.14 ± 3.98 | 87.13 ± 5.47 | 89.98 ± 4.07 |
TShEn | 70.77 ± 6.65 | 98.36 ± 1.35 | 99.89 ± 0.31 |