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 , %).

ItemDimension reduction methodologies
Classifier Class ID PCA LapLDA RP LPP LGSPP JGLDA LGGSP

5NN 1 83.33 76.0975.00 82.6151.35 69.5791.30
2 58.44 54.6257.80 70.2449.92 70.3177.24
3 53.60 38.8038.85 54.4636.63 42.8969.64
4 41.03 16.8848.45 46.4127.59 13.0885.65
5 86.92 71.4382.85 85.3079.50 74.1294.20
6 94.78 65.2192.35 92.4787.96 75.8998.08
7 92.31 75.0081.82 82.1472.73 64.2996.43
8 92.64 92.2689.12 98.3394.68 99.3799.79
9 80.00 50.0080.00 100.0080.00 10.00100.00
10 77.69 40.7472.94 51.2368.16 38.3782.41
11 69.49 54.8363.72 64.7370.45 65.5073.16
12 44.14 26.1430.98 19.9021.08 24.4576.05
13 96.70 63.9091.06 99.5186.49 95.6199.51
14 96.45 67.5190.27 95.6590.46 94.78 95.18
15 15.00 21.5026.81 36.5324.55 31.0967.10
16 85.26 75.2780.00 90.3284.42 94.6294.62

RBF-SVM 190.74 76.0984.38 86.9664.86 76.09 80.43
2 81.31 63.4574.17 77.3149.77 57.4282.84
370.86 44.5857.74 59.4046.38 57.71 62.29
4 56.84 12.6667.53 81.0159.11 39.24 77.22
595.37 57.5688.42 89.8683.11 83.44 92.34
6 96.12 64.7992.35 92.6089.90 77.5396.85
7100.00 53.5781.82 96.4381.82 92.86 89.29
8 94.48 95.8293.20 99.5891.44 94.14 99.37
9100.00 60.00100.00100.00100.00 75.00100.00
10 71.07 34.3675.23 53.7064.94 60.70 66.56
11 79.62 65.3472.39 80.7777.42 33.8984.32
1281.92 32.0451.99 50.9342.16 60.54 69.31
1399.53 69.2793.30 98.5476.76 96.59 97.07
14 94.13 81.5088.92 95.65 92.23 77.55 94.47
15 53.95 18.3946.99 60.6239.82 72.0272.28
1694.74 77.4293.33 92.4783.12 94.62 70.97