Table 3.
Order of detection power of 18 features obtained by univariate analysis
| Order | Feature no., name | Accuracy (%, mean±SD) |
|---|---|---|
| 1 | 2, Standard deviation | 78.67±2.16 |
| 2 | 18, Boundary_standard deviation | 74.64±2.50 |
| 3 | 8, Eccentricity | 67.26±2.98 |
| 4 | 13, Minor axis length | 65.69±3.02 |
| 5 | 9, Equivalent diameter | 63.83±3.45 |
| 6 | 6, Centroid (y-coordinate) | 62.41±3.80 |
| 7 | 5, Centroid (x-coordinate) | 62.17±2.38 |
| 8 | 1, Mean | 58.61±3.36 |
| 9 | 3, Area | 58.37±3.72 |
| 10 | 11, Filled area | 57.98±2.56 |
| 11 | 16, Solidity | 57.74±2.59 |
| 12 | 7, Convex area | 56.30±3.81 |
| 13 | 15, Perimeter | 56.27±3.27 |
| 14 | 12, Major axis length | 55.75±2.32 |
| 15 | 4, Bounding box | 55.60±2.46 |
| 16 | 10, Euler number | 52.89±0.75 |
| 17 | 14, Orientation | 52.05±5.17 |
| 18 | 17, Boundary_mean | 51.08±6.44 |