Table 4 Comparative experiment results for unused cropland detection in Ukraine in 2022–2023.
Index | Year | Normal | Unused | OA | Kappa | Tips | ||
|---|---|---|---|---|---|---|---|---|
PA | UA | PA | UA | |||||
1 | 2022 | 0.9 | 0.76 | 0.72 | 0.88 | 0.81 | 0.62 | n = 25% |
2023 | 0.94 | 0.90 | 0.9 | 0.94 | 0.92 | 0.84 | ||
Total | 0.92 | 0.83 | 0.81 | 0.91 | 0.87 | 0.73 | ||
2 | 2022 | 0.98 | 0.83 | 0.8 | 0.98 | 0.89 | 0.78 | n = 20% |
2023 | 0.96 | 0.96 | 0.96 | 0.96 | 0.96 | 0.92 | ||
Total | 0.97 | 0.89 | 0.88 | 0.97 | 0.93 | 0.85 | ||
3 | 2022 | 0.96 | 0.72 | 0.62 | 0.94 | 0.79 | 0.58 | n = 15% |
2023 | 0.92 | 0.82 | 0.8 | 0.91 | 0.86 | 0.72 | ||
Total | 0.94 | 0.76 | 0.71 | 0.92 | 0.83 | 0.65 | ||