Table 2.
Comparison analysis
| Image grades | Classified images | Miss-classified images | Accuracy | Specificity | Sensitivity |
|---|---|---|---|---|---|
| Grade I | 38 | Nil | 98.8% | 90.4% | 98.3% |
| Grade II | 38 | Nil | 97.1% | 91.2% | 97.3% |
| Grade III | 35 | 2 | 96.3% | 89.2% | 96.6% |
| Grade IV | 35 | 2 | 94.4% | 87.3% | 93.4% |
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