Research Article
Local and Global Geometric Structure Preserving and Application to Hyperspectral Image Classification
Table 4
Comparison of class accuracy for Indian Pine scene (embedding
, %).
| Item | Dimension reduction methodologies | Classifier | Class ID | PCA | LapLDA | RP | LPP | LGSPP | JGLDA | LGGSP |
| 5NN | 1 | 83.33 | 76.09 | 75.00 | 82.61 | 51.35 | 69.57 | 91.30 | 2 | 58.44 | 54.62 | 57.80 | 70.24 | 49.92 | 70.31 | 77.24 | 3 | 53.60 | 38.80 | 38.85 | 54.46 | 36.63 | 42.89 | 69.64 | 4 | 41.03 | 16.88 | 48.45 | 46.41 | 27.59 | 13.08 | 85.65 | 5 | 86.92 | 71.43 | 82.85 | 85.30 | 79.50 | 74.12 | 94.20 | 6 | 94.78 | 65.21 | 92.35 | 92.47 | 87.96 | 75.89 | 98.08 | 7 | 92.31 | 75.00 | 81.82 | 82.14 | 72.73 | 64.29 | 96.43 | 8 | 92.64 | 92.26 | 89.12 | 98.33 | 94.68 | 99.37 | 99.79 | 9 | 80.00 | 50.00 | 80.00 | 100.00 | 80.00 | 10.00 | 100.00 | 10 | 77.69 | 40.74 | 72.94 | 51.23 | 68.16 | 38.37 | 82.41 | 11 | 69.49 | 54.83 | 63.72 | 64.73 | 70.45 | 65.50 | 73.16 | 12 | 44.14 | 26.14 | 30.98 | 19.90 | 21.08 | 24.45 | 76.05 | 13 | 96.70 | 63.90 | 91.06 | 99.51 | 86.49 | 95.61 | 99.51 | 14 | 96.45 | 67.51 | 90.27 | 95.65 | 90.46 | 94.78 | 95.18 | 15 | 15.00 | 21.50 | 26.81 | 36.53 | 24.55 | 31.09 | 67.10 | 16 | 85.26 | 75.27 | 80.00 | 90.32 | 84.42 | 94.62 | 94.62 |
| RBF-SVM | 1 | 90.74 | 76.09 | 84.38 | 86.96 | 64.86 | 76.09 | 80.43 | 2 | 81.31 | 63.45 | 74.17 | 77.31 | 49.77 | 57.42 | 82.84 | 3 | 70.86 | 44.58 | 57.74 | 59.40 | 46.38 | 57.71 | 62.29 | 4 | 56.84 | 12.66 | 67.53 | 81.01 | 59.11 | 39.24 | 77.22 | 5 | 95.37 | 57.56 | 88.42 | 89.86 | 83.11 | 83.44 | 92.34 | 6 | 96.12 | 64.79 | 92.35 | 92.60 | 89.90 | 77.53 | 96.85 | 7 | 100.00 | 53.57 | 81.82 | 96.43 | 81.82 | 92.86 | 89.29 | 8 | 94.48 | 95.82 | 93.20 | 99.58 | 91.44 | 94.14 | 99.37 | 9 | 100.00 | 60.00 | 100.00 | 100.00 | 100.00 | 75.00 | 100.00 | 10 | 71.07 | 34.36 | 75.23 | 53.70 | 64.94 | 60.70 | 66.56 | 11 | 79.62 | 65.34 | 72.39 | 80.77 | 77.42 | 33.89 | 84.32 | 12 | 81.92 | 32.04 | 51.99 | 50.93 | 42.16 | 60.54 | 69.31 | 13 | 99.53 | 69.27 | 93.30 | 98.54 | 76.76 | 96.59 | 97.07 | 14 | 94.13 | 81.50 | 88.92 | 95.65 | 92.23 | 77.55 | 94.47 | 15 | 53.95 | 18.39 | 46.99 | 60.62 | 39.82 | 72.02 | 72.28 | 16 | 94.74 | 77.42 | 93.33 | 92.47 | 83.12 | 94.62 | 70.97 |
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