Table 12 Results of the CNN model with ImageDataGenerator with filters on different size of fully connected layer
FC layer | Filter applied rate (%) | Model accuracy with different image filters (%) | |||||
|---|---|---|---|---|---|---|---|
Image sharpening | Image thresholding | Median blur | Gamma correction | Fast-NLmeans | Bilateral | ||
4 layers | 20 | 90.5 | 89.5 | 89.3 | 88.2 | 88.1 | 89.2 |
40 | 90.1 | 90.1 | 89.3 | 88.7 | 86.8 | 89.2 | |
60 | 89.1 | 91.8 | 88.6 | 88.5 | 89.8 | 89.6 | |
80 | 90.2 | 89.2 | 90.3 | 88.2 | 88.5 | 89.1 | |
100 | 88.6 | 88.4 | 86.4 | 90.2 | 88.8 | 89.5 | |
5 layers | 20 | 90.8 | 90.8 | 90.2 | 88.6 | 88.2 | 89.8 |
40 | 89.5 | 90.8 | 90.1 | 89.6 | 89.5 | 89.2 | |
60 | 88.4 | 89.2 | 89.9 | 91.3 | 91.1 | 89.8 | |
80 | 91.6 | 90.9 | 89.9 | 90.8 | 88.4 | 90.9 | |
100 | 90.3 | 89.2 | 90.3 | 89.9 | 89.9 | 88.6 | |
6 layers | 20 | 91.9 | 88.9 | 90.2 | 88.5 | 89.2 | 89.1 |
40 | 89.3 | 90.8 | 90.2 | 90.8 | 88.4 | 88.4 | |
60 | 90.6 | 90.2 | 90.1 | 89.5 | 88.9 | 90.1 | |
80 | 90.6 | 89.9 | 89.2 | 89.9 | 90.8 | 90.3 | |
100 | 89.9 | 91.8 | 90.5 | 91.1 | 90.3 | 87.9 | |
7 layers | 20 | 90.5 | 90.2 | 88.2 | 89.6 | 92.0 | 91.1 |
40 | 91.8 | 91.3 | 89.5 | 90.1 | 90.6 | 90.6 | |
60 | 90.9 | 91.6 | 90.3 | 87.8 | 89.5 | 89.3 | |
80 | 90.6 | 91.1 | 90.6 | 89.6 | 88.8 | 90.9 | |
100 | 90.6 | 91.9 | 89.8 | 90.2 | 88.2 | 88.5 | |
8 layers | 20 | 90.2 | 90.2 | 90.9 | 89.1 | 90.6 | 92.0 |
40 | 91.3 | 89.2 | 88.8 | 88.1 | 91.1 | 92.0 | |
60 | 90.6 | 89.9 | 88.6 | 91.5 | 88.9 | 90.5 | |
80 | 90.5 | 90.9 | 91.2 | 81.8 | 89.8 | 90.9 | |
100 | 90.8 | 91.1 | 88.2 | 90.1 | 90.3 | 88.6 | |
9 layers | 20 | 89.6 | 91.3 | 92.0 | 90.5 | 91.1 | 89.9 |
40 | 91.6 | 91.1 | 90.5 | 90.8 | 91.1 | 91.3 | |
60 | 91.1 | 89.8 | 91.2 | 89.6 | 90.6 | 89.3 | |
80 | 88.8 | 90.6 | 89.5 | 88.9 | 91.2 | 90.8 | |
100 | 87.5 | 88.5 | 90.6 | 90.6 | 89.1 | 90.9 | |