Table 4.
Classification accuracies (%) achieved using 40 selected bands in Salinas with KNN classifier.
| Class | Algorithm | ||||||
|---|---|---|---|---|---|---|---|
| Accuracy (%) | |||||||
| MVPCA | WaLuDi | DBSCAN | FDPC | LP | ISSC | TLS | |
| Brocoli-green-weeds-1 | 83.4 | 84.5 | 83.2 | 82.7 | 82 | 84.4 | 84.7 |
| Brocoli-green-weeds-2 | 88.8 | 92.3 | 90.2 | 94.2 | 89 | 91.7 | 91.4 |
| Fallow | 80.5 | 81.4 | 83.3 | 83.6 | 81.4 | 84.2 | 84.8 |
| Fallow-rough-plow | 76.4 | 80.5 | 79.2 | 77.8 | 79.6 | 80.4 | 81.1 |
| Fallow-smooth | 86.7 | 86.2 | 91.6 | 85 | 87.3 | 86.8 | 86.4 |
| Stubble | 92.8 | 93.1 | 89.6 | 91.6 | 89.2 | 90.4 | 88.7 |
| Celery | 87.7 | 89.1 | 92.4 | 92.8 | 90.3 | 92.2 | 87.4 |
| Grapes-untrained | 95.4 | 96.1 | 97.3 | 97 | 95.7 | 95.4 | 96.5 |
| Soil-vinyard-develop | 92.6 | 93.5 | 92.2 | 81.8 | 86.2 | 93.4 | 91.7 |
| Corn-seneseed-green-weeds | 86.9 | 89.5 | 86.2 | 90.3 | 84.2 | 86.3 | 87.7 |
| Lettuce-romaine-4wk | 75.4 | 79.2 | 78.5 | 80.4 | 75 | 79.3 | 79.7 |
| Lettuce-romaine-5wk | 81.6 | 83.2 | 83 | 84.4 | 81.2 | 81.6 | 84.8 |
| Lettuce-romaine-6wk | 74 | 72.6 | 72.3 | 76.2 | 73.6 | 75.3 | 75.5 |
| Lettuce-romaine-7wk | 73.2 | 76.3 | 74.8 | 75.5 | 74.6 | 75 | 77.4 |
| Vinyard-untrained | 95 | 95.3 | 94.7 | 95.2 | 91.2 | 95.6 | 96.2 |
| Vinyard-vertical-trellis | 80.4 | 80.7 | 81.7 | 81.6 | 76.7 | 81.5 | 82.3 |
|
| |||||||
| AA | 84.4 | 85.8 | 85.6 | 85.6 | 83.6 | 85.8 | 86.0 |
| OA | 87.5 | 89.2 | 89.1 | 89.8 | 88 | 89.2 | 90.8 |
| Variance | 52.0 | 47.9 | 50.1 | 45.6 | 41.4 | 42.7 | 34.7 |