Research Article
Local and Global Geometric Structure Preserving and Application to Hyperspectral Image Classification
Table 3
Comparison of class accuracy for Indian Pine scene (embedding
, %).
| Item | Dimensionality reduction methodologies | Classifier | Class ID | PCA | MFA | LapLDA | RP | LPP | LGSPP | JGLDA | LGGSP |
| 5NN | 1 | 64.86 | 50.00 | 45.95 | 70.59 | 44.44 | 66.67 | 36.36 | 86.11 | 2 | 54.56 | 29.71 | 48.24 | 52.15 | 53.05 | 42.80 | 55.33 | 72.10 | 3 | 51.07 | 34.39 | 38.62 | 33.42 | 36.14 | 46.08 | 29.80 | 62.79 | 4 | 28.36 | 8.96 | 6.28 | 33.17 | 13.11 | 21.57 | 11.44 | 57.28 | 5 | 73.95 | 23.39 | 63.62 | 74.00 | 74.59 | 76.73 | 55.80 | 84.93 | 6 | 91.85 | 41.46 | 72.38 | 95.50 | 86.69 | 89.34 | 81.14 | 93.72 | 7 | 81.82 | 54.55 | 81.82 | 88.89 | 100.00 | 90.00 | 54.55 | 100.00 | 8 | 92.82 | 58.54 | 92.64 | 85.71 | 88.33 | 84.28 | 97.02 | 96.11 | 9 | 100.00 | 0.00 | 60.00 | 80.00 | 75.00 | 75.00 | 0.00 | 100.00 | 10 | 67.58 | 16.17 | 36.69 | 59.79 | 51.82 | 57.35 | 29.09 | 72.99 | 11 | 67.96 | 37.33 | 60.59 | 69.19 | 62.82 | 70.94 | 65.86 | 70.77 | 12 | 25.41 | 17.99 | 14.91 | 35.60 | 26.43 | 34.87 | 28.88 | 69.45 | 13 | 91.11 | 12.50 | 69.61 | 87.43 | 91.76 | 91.38 | 87.86 | 97.30 | 14 | 94.28 | 53.31 | 72.98 | 91.12 | 86.57 | 92.33 | 91.93 | 93.17 | 15 | 17.25 | 6.36 | 19.63 | 12.76 | 28.79 | 7.06 | 11.95 | 54.14 | 16 | 79.17 | 31.58 | 30.67 | 73.97 | 78.08 | 83.33 | 86.49 | 84.93 |
| RBF-SVM | 1 | 78.38 | 0.00 | 29.73 | 79.41 | 52.78 | 69.70 | 75.76 | 61.11 | 2 | 67.82 | 0.00 | 49.54 | 58.53 | 58.93 | 49.62 | 56.24 | 74.24 | 3 | 63.81 | 0.00 | 37.26 | 46.13 | 54.14 | 40.77 | 48.21 | 62.01 | 4 | 49.25 | 0.00 | 3.86 | 50.50 | 52.43 | 35.29 | 25.87 | 62.14 | 5 | 84.11 | 0.00 | 56.25 | 83.41 | 78.09 | 74.50 | 72.10 | 84.02 | 6 | 93.16 | 0.00 | 67.95 | 91.30 | 85.80 | 91.74 | 80.99 | 90.88 | 7 | 90.91 | 0.00 | 72.73 | 55.56 | 100.00 | 80.00 | 81.82 | 100.00 | 8 | 96.30 | 1.55 | 94.54 | 88.89 | 93.36 | 84.97 | 89.68 | 96.80 | 9 | 100.00 | 0.00 | 40.00 | 100.00 | 100.00 | 75.00 | 0.00 | 80.00 | 10 | 57.45 | 0.00 | 29.78 | 61.16 | 57.86 | 62.74 | 44.09 | 67.54 | 11 | 74.16 | 100.00 | 72.37 | 76.88 | 69.47 | 77.87 | 34.49 | 82.49 | 12 | 57.12 | 0.00 | 15.79 | 58.72 | 41.59 | 38.75 | 41.13 | 80.36 | 13 | 91.11 | 0.00 | 69.61 | 93.19 | 93.96 | 88.51 | 90.75 | 85.95 | 14 | 92.92 | 0.00 | 78.03 | 93.25 | 88.75 | 89.71 | 76.37 | 93.34 | 15 | 36.84 | 0.00 | 35.58 | 43.92 | 45.15 | 28.24 | 43.44 | 50.00 | 16 | 86.11 | 0.00 | 48.00 | 79.45 | 73.97 | 80.77 | 78.38 | 60.27 |
|
|