Table 11 Top six Score ranked spectral bands associated with the convolution neural network and feedforward neural network models using the spectral data with a bandwidth of ± 15 nm in three spectral ranges. The Socre is the absolute mean of the integrated gradients.
Model | Spectral range | Bands (nm) and their mean of the integrated gradients | |||||
|---|---|---|---|---|---|---|---|
1st | 2nd | 3rd | 4th | 5th | 6th | ||
CNN | 400–1700 nm | 595 nm | 655 nm | 685 nm | 535 nm | 565 nm | 895 nm |
− 0.041 | 0.031 | 0.027 | 0.019 | − 0.018 | − 0.018 | ||
400–1000 nm | 595 nm | 565 nm | 655 nm | 535 nm | 625 nm | 505 nm | |
− 0.084 | − 0.082 | 0.055 | 0.053 | 0.028 | 0.024 | ||
400–700 nm | 505nm | 565 nm | 475 nm | 535 nm | 595 nm | 625 nm | |
0.295 | − 0.221 | − 0.137 | 0.077 | − 0.067 | 0.036 | ||
FNN | 400–1700 nm | 565 nm | 595 nm | 505 nm | 1195 nm | 655 nm | 715 nm |
− 23.844 | − 21.856 | 21.712 | 16.830 | 16.287 | − 14.651 | ||
400–1000 nm | 505 nm | 595 nm | 565 nm | 655 nm | 715 nm | 895 nm | |
34.878 | − 33.987 | − 30.594 | 27.233 | − 19.088 | 12.860 | ||
400–700 nm | 505 nm | 565 nm | 655 nm | 595 nm | 445 nm | 625 nm | |
58.007 | − 46.255 | 37.925 | − 23.789 | − 20.799 | − 17.332 | ||
