Band All filters Optimization
1 92.32 ± 5.09 99.11 ± 1.03
2 88.58 ± 11.39 99.64 ± 0.31
3 88.45 ± 9.07 98.61 ± 1.98
4 90.00 ± 9.78 99.84 ± 0.25
5 87.81 ± 9.99 99.13 ± 1.06
6 87.53 ± 7.73 98.85 ± 1.16
7 94.22 ± 4.49 98.55 ± 0.98
8 97.88 ± 2.94 99.94 ± 0.09
9 93.67 ± 5.11 99.78 ± 0.31
10 88.06 ± 9.88 99.84 ± 0.31
11 95.10 ± 2.87 99.21 ± 0.79
12 94.00 ± 3.23 99.75 ± 0.61
13 95.82 ± 3.21 98.58 ± 1.27
14 93.74 ± 4.65 98.09 ± 1.43
15 92.50 ± 4.19 97.04 ± 2.25
16 90.70 ± 6.58 97.35 ± 2.74
Table 1: Comparison of classification accuracy (%) and its standard deviation between use of all of Gabor filters and optimized Gabor parameter.