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Comparison of the proposed accuracy with different feature combinations and steps.
| Method | Accuracy (%) | Error Rate (%) |
|---|---|---|
| AlexNet + Contrast Enhancement Step | 94.4 | 5.6 |
| AlexNet without Contrast Step | 91.7 | 8.3 |
| VGG16 + Contrast Enhancement Step | 92.4 | 7.6 |
| VGG16 without Contrast Step | 90.3 | 9.7 |
| AlexNet + Contrast Step + Optimal Step | 96.2 | 3.8 |
| VGG16 + Contrast Step + Optimal Step | 94.2 | 5.8 |
| Proposed Method | 98.0 | 2.0 |
