Research Article
Advantage of Combining OBIA and Classifier Ensemble Method for Very High-Resolution Satellite Imagery Classification
Table 5
Overall accuracy and kappa coefficient of selected algorithms.
| | DTC | SVM | KNN | RF |
| GF-1 | | OA (%) | 72.4 | 87.5 | 87.4 | 94.67 | Kappa | 0.68 | 0.85 | 0.85 | 0.93 | Time used (s) | 0.032 | 0.57 | 0.05 | 27.13 | | OA (%) | 82.86 | 90.86 | 89.71 | 99.43 | Kappa | 0.79 | 0.89 | 0.87 | 0.99 | Time used (s) | 0.034 | 0.71 | 0.1 | 15.53 | GF-2 | | OA (%) | 66.67 | 85.5 | 89.21 | 91.26 | Kappa | 0.63 | 0.83 | 0.87 | 0.89 | Time used (s) | 0.36 | 589.31 | 1.89 | 251.32 | | OA (%) | 64.76 | 94.97 | 96.69 | 98.98 | Kappa | 0.6 | 0.94 | 0.96 | 0.98 | Time used (s) | 0.58 | 402.86 | 86.83 | 208.02 |
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