Table 4.
The confusion matrix produced by the proposed method.
| Label | Predicted | Sum | PA (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||||
| Actual | 1 | 2470 | 1 | 1 | 0 | 6 | 1 | 21 | 6 | 2506 | 98.56 |
| 2 | 1 | 2454 | 0 | 1 | 0 | 7 | 0 | 0 | 2463 | 99.63 | |
| 3 | 0 | 0 | 2501 | 0 | 1 | 0 | 3 | 7 | 2512 | 99.56 | |
| 4 | 0 | 3 | 0 | 2509 | 0 | 0 | 0 | 0 | 2512 | 99.88 | |
| 5 | 0 | 0 | 0 | 0 | 2545 | 0 | 0 | 0 | 2545 | 100 | |
| 6 | 1 | 13 | 0 | 1 | 2 | 2438 | 6 | 2 | 2463 | 98.99 | |
| 7 | 3 | 1 | 1 | 1 | 1 | 0 | 2507 | 11 | 2525 | 99.29 | |
| 8 | 9 | 4 | 3 | 0 | 4 | 0 | 28 | 2426 | 2474 | 98.06 | |
| Sum | 2484 | 2476 | 2506 | 2512 | 2559 | 2446 | 2565 | 2452 | 20,000 | ||
| UA (%) | 99.44 | 99.11 | 99.80 | 99.88 | 99.45 | 99.67 | 97.74 | 98.94 | |||
Overall accuracy: 99.25%; Kappa coefficient: 0.9914. Note: PA means the Producer’s Accuracy, UA means the User’s Accuracy.