Table 4 Experimental results exploring the favorable feature size without patching for each dataset using the spectral feature reduction method PCA. An explanation of the metrics can be found in "Experiment configurations" section
From: CEU-Net: ensemble semantic segmentation of hyperspectral images using clustering
Methods | OA | AA | Kappa | OA | AA | Kappa |
|---|---|---|---|---|---|---|
| Â | IP (k = 2) | Salinas (k = 3) | ||||
PCA 45 | 89.91 ± 0.1 | 88.66 ± 0.1 | 87.99 ± 0.1 | 96.06 ± 0.1 | 98.25 ± 0.1 | 95.61 ± 0.1 |
PCA 40 | 90.2 ± 0.1 | 90.99 ± 0.2 | 88.76 ± 0.1 | 96.40 ± 0.1 | 98.34 ± 0.1 | 96.12 ± 0.1 |
PCA 35 | 90.15 ± 0.1 | 90.79 ± 0.2 | 88.79 ± 0.1 | 96.36 ± 0.1 | 98.32 ± 0.1 | 95.96 ± 0.1 |
PCA 30 | 90.01 ± 0.1 | 90.52 ± 0.2 | 88.67 ± 0.1 | 96.44 ± 0.1 | 98.36 ± 0.1 | 96.34 ± 0.1 |
PCA 25 | 89.01 ± 0.1 | 87.77 ± 0.2 | 87.56 ± 0.1 | 96.33 ± 0.1 | 98.32 ± 0.1 | 95.97 ± 0.1 |
PCA 20 | 88.00 ± 0.1 | 86.89 ± 0.2 | 86.41 ± 0.1 | 96.37 ± 0.1 | 98.24 ± 0.1 | 95.95 ± 0.1 |
PCA 15 | 82.18 ± 0.2 | 79.59 ± 0.2 | 79.69 ± 0.2 | 96.31 ± 0.2 | 98.11 ± 0.2 | 95.81 ± 0.2 |
| Â | KSC (k = 2) | Botswana (k = 3) | ||||
PCA 45 | 88.49 ± 0.1 | 82.49 ± 0.1 | 87.14 ± 0.1 | 95.69 ± 0.1 | 95.82 ± 0.1 | 95.33 ± 0.1 |
PCA 40 | 96.21 ± 0.1 | 95.01 ± 0.1 | 96.11 ± 0.1 | 96.43 ± 0.2 | 96.89 ± 0.2 | 96.01 ± 0.2 |
PCA 35 | 95.91 ± 0.1 | 94.12 ± 0.1 | 95.75 ± 0.1 | 96.34 ± 0.2 | 97.04 ± 0.2 | 96.00 ± 0.2 |
PCA 30 | 95.25 ± 0.1 | 93.05 ± 0.1 | 94.98 ± 0.1 | 96.43 ± 0.2 | 97.10 ± 0.2 | 96.13 ± 0.2 |
PCA 25 | 93.75 ± 0.1 | 90.11 ± 0.1 | 93.01 ± 0.1 | 96.40 ± 0.2 | 96.84 ± 0.2 | 95.89 ± 0.2 |
PCA 20 | 92.40 ± 0.1 | 87.58 ± 0.1 | 91.69 ± 0.1 | 96.41 ± 0.2 | 96.82 ± 0.2 | 95.78 ± 0.2 |
PCA 15 | 82.87 ± 0.2 | 76.57 ± 0.2 | 80.85 ± 0.2 | 96.32 ± 0.2 | 96.55 ± 0.2 | 96.77 ± 0.2 |
| Â | PU (k = 2) | Houston (k = 2) | ||||
PCA 45 | 96.01 ± 0.1 | 94.98 ± 0.1 | 94.88 ± 0.1 | 96.56 ± 0.1 | 97.00 ± 0.1 | 96.50 ± 0.1 |
PCA 40 | 95.88 ± 0.1 | 94.16 ± 0.1 | 94.54 ± 0.1 | 96.55 ± 0.1 | 96.89 ± 0.1 | 96.01 ± 0.1 |
PCA 35 | 96.13 ± 0.1 | 94.64 ± 0.1 | 94.87 ± 0.1 | 97.01 ± 0.1 | 96.99 ± 0.1 | 96.84 ± 0.1 |
PCA 30 | 96.18 ± 0.1 | 95.1 ± 0.1 | 95.00 ± 0.1 | 96.43 ± 0.1 | 97.1 ± 0.1 | 96.89 ± 0.1 |
PCA 25 | 96.01 ± 0.1 | 94.56 ± 0.1 | 94.78 ± 0.1 | 96.4 ± 0.1 | 96.84 ± 0.1 | 95.89 ± 0.1 |
PCA 20 | 95.8 ± 0.1 | 94.57 ± 0.1 | 94.58 ± 0.1 | 96.41 ± 0.1 | 96.82 ± 0.1 | 95.78 ± 0.1 |
PCA 15 | 95.89 ± 0.1 | 94.51 ± 0.2 | 94.47 ± 0.1 | 96.01 ± 0.1 | 96.44 ± 0.1 | 95.79 ± 0.1 |