Table 2.
Land cover classification accuracy assessment for 2003.
| Classified | Reference | Sum | UA (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Built-up | Water | Forest | Dike-pond | Farmland | Shrub | Bare land | |||
| Built-up | 14 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 93.33 |
| Water | 0 | 15 | 0 | 1 | 0 | 0 | 0 | 17 | 88.24 |
| Dike-pond | 0 | 0 | 16 | 0 | 1 | 1 | 0 | 19 | 84.21 |
| Forest | 0 | 1 | 0 | 10 | 0 | 0 | 0 | 12 | 83.33 |
| Farmland | 0 | 0 | 1 | 0 | 14 | 0 | 0 | 16 | 87.50 |
| Bare land | 0 | 0 | 3 | 0 | 0 | 9 | 0 | 12 | 75.0 |
| Shrub | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 16 | 93.75 |
| Sum | 15 | 17 | 21 | 12 | 16 | 10 | 16 | ||
| PA (%) | 93.11 | 90.66 | 76.83 | 85.29 | 85.39 | 90.0 | 93.75 | ||
| OA (%) | 86.98 | ||||||||
Note: PA means Producer's accuracy; UA means User's accuracy; OA means overall accuracy.