Research Article
Broad Learning System with Locality Sensitive Discriminant Analysis for Hyperspectral Image Classification
Table 3
Results of classification accuracy (%) under different numbers of labeled training samples per class of the University of Pavia dataset.
| r | Index | SVM | KELM | SVM-CK | KELM-CK | HiFi-We | MASR | BLS | BLS-LSDA |
| 5 | OA | 57.8 ± 6.36 | 58.8 ± 4.44 | 65.3 ± 8.89 | 64.1 ± 7.98 | 66.3 ± 6.54 | 69.0 ± 2.19 | 74.2 ± 4.75 | 73.7 ± 6.44 | AA | 70.6 ± 2.42 | 67.9 ± 2.30 | 73.5 ± 3.55 | 71.6 ± 3.38 | 73.1 ± 2.13 | 70.5 ± 1.81 | 81.9 ± 1.78 | 78.3 ± 2.64 | k | 48.6 ± 6.24 | 49.5 ± 3.85 | 56.9 ± 9.95 | 55.3 ± 8.66 | 57.4 ± 7.22 | 51.7 ± 4.00 | 62.8 ± 6.73 | 60.8 ± 9.90 |
| 10 | OA | 62.3 ± 6.60 | 63.6 ± 3.45 | 75.3 ± 6.74 | 76.5 ± 6.62 | 79.2 ± 4.52 | 74.6 ± 3.46 | 83.8 ± 3.27 | 84.0 ± 2.81 | AA | 73.3 ± 1.89 | 74.5 ± 1.29 | 81.3 ± 2.30 | 81.2 ± 3.96 | 84.3 ± 2.65 | 74.7 ± 2.19 | 87.0 ± 1.18 | 87.5 ± 1.75 | k | 53.8 ± 6.55 | 55.0 ± 3.49 | 70.0 ± 6.70 | 70.3 ± 7.87 | 73.6 ± 5.28 | 61.4 ± 6.00 | 77.2 ± 4.59 | 77.4 ± 4.10 |
| 15 | OA | 69.6 ± 4.09 | 67.1 ± 3.99 | 82.7 ± 4.52 | 83.9 ± 4.56 | 83.2 ± 2.58 | 79.0 ± 2.89 | 86.2 ± 2.31 | 88.4 ± 1.76 | AA | 76.8 ± 1.32 | 77.4 ± 1.09 | 85.3 ± 2.08 | 86.4 ± 1.98 | 86.7 ± 1.97 | 79.3 ± 1.09 | 90.2 ± 1.27 | 90.7 ± 0.96 | k | 61.6 ± 4.49 | 59.2 ± 4.18 | 77.8 ± 5.39 | 79.3 ± 5.43 | 78.4 ± 3.18 | 69.2 ± 4.45 | 80.7 ± 3.35 | 83.9 ± 2.48 |
| 20 | OA | 71.6 ± 3.99 | 69.1 ± 5.08 | 86.6 ± 2.65 | 87.8 ± 4.38 | 86.3 ± 2.72 | 82.3 ± 2.33 | 87.1 ± 2.84 | 88.8 ± 1.91 | AA | 79.8 ± 0.84 | 78.7 ± 1.26 | 88.3 ± 1.31 | 88.9 ± 1.91 | 89.2 ± 1.82 | 81.3 ± 1.42 | 91.0 ± 0.90 | 91.1 ± 0.80 | k | 64.3 ± 4.30 | 61.5 ± 5.36 | 82.6 ± 3.26 | 84.2 ± 5.39 | 82.2 ± 3.33 | 74.4 ± 3.55 | 82.1 ± 3.93 | 84.6 ± 2.69 |
| 25 | OA | 72.3 ± 4.29 | 73.4 ± 2.30 | 88.4 ± 2.36 | 88.8 ± 3.27 | 87.0 ± 2.43 | 85.6 ± 1.78 | 88.3 ± 2.27 | 89.7 ± 1.38 | AA | 80.2 ± 2.07 | 80.8 ± 0.92 | 89.7 ± 1.49 | 90.3 ± 1.34 | 90.3 ± 1.90 | 84.1 ± 0.56 | 91.8 ± 0.83 | 92.2 ± 0.54 | k | 65.1 ± 4.77 | 66.3 ± 2.39 | 82.6 ± 3.26 | 85.5 ± 4.05 | 83.2 ± 3.03 | 79.6 ± 2.57 | 83.9 ± 3.20 | 85.7 ± 1.93 |
| 30 | OA | 75.5 ± 2.43 | 75.6 ± 1.42 | 90.6 ± 1.52 | 91.4 ± 1.84 | 88.0 ± 1.27 | 86.8 ± 2.11 | 88.8 ± 2.38 | 91.5 ± 1.44 | AA | 81.6 ± 1.30 | 81.3 ± 1.02 | 91.3 ± 0.86 | 91.6 ± 1.01 | 91.8 ± 0.77 | 85.5 ± 0.75 | 92.2 ± 0.82 | 93.3 ± 0.85 | k | 68.7 ± 2.79 | 68.9 ± 1.61 | 87.7 ± 1.93 | 88.7 ± 2.35 | 84.5 ± 1.57 | 81.3 ± 3.06 | 84.5 ± 3.31 | 88.3 ± 2.01 |
| 35 | OA | 76.9 ± 3.34 | 75.7 ± 2.09 | 91.2 ± 1.26 | 91.9 ± 1.52 | 88.3 ± 3.12 | 88.1 ± 1.43 | 88.9 ± 2.67 | 93.2 ± 0.83 | AA | 82.5 ± 1.29 | 82.3 ± 0.91 | 91.8 ± 0.89 | 92.5 ± 0.97 | 91.9 ± 1.28 | 86.9 ± 0.74 | 92.3 ± 1.20 | 95.1 ± 0.31 | k | 70.6 ± 3.73 | 69.1 ± 2.40 | 88.6 ± 1.64 | 89.3 ± 1.97 | 84.9 ± 3.85 | 83.3 ± 2.06 | 84.6 ± 3.72 | 90.8 ± 1.13 |
| 40 | OA | 77.7 ± 2.69 | 76.2 ± 2.62 | 91.6 ± 1.80 | 93.2 ± 1.09 | 90.4 ± 1.91 | 89.5 ± 1.41 | 90.0 ± 2.25 | 94.4 ± 0.85 | AA | 83.3 ± 1.18 | 83.2 ± 0.80 | 92.2 ± 0.87 | 93.1 ± 0.99 | 92.7 ± 1.09 | 88.2 ± 0.77 | 93.0 ± 0.76 | 95.4 ± 0.52 | k | 71.4 ± 3.21 | 69.8 ± 2.97 | 89.0 ± 2.27 | 91.1 ± 1.43 | 87.4 ± 2.43 | 85.4 ± 1.99 | 86.3 ± 3.14 | 92.3 ± 1.16 |
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