Table 3.
Classification models based on different grade using optimal wavelengths selected by PCA.
| WHB | XF | C 4 | γ 4 | Cal. Result | Pre. Results | |||
|---|---|---|---|---|---|---|---|---|
| WHB | XF | Pre. set | WHB | XF | ||||
| Grade1 1 | Grade1 | 1 | 3.0 | 665/665 | 245/246 | Grade3 | 1382/1382 | 0/602 |
| Grade2 | 930/931 | 22/453 | ||||||
| Grade1 | 380/380 | 99/116 | ||||||
| Grade2 2 | Grade2 | 256 | 16 | 622/622 | 304/305 | Grade3 | 1371/1382 | 559/602 |
| Grade2 | 305/309 | 146/148 | ||||||
| Grade1 | 1040/1045 | 323/362 | ||||||
| Grade3 3 | Grade3 | 48.5 | 9.1 | 950/950 | 405/405 | Grade3 | 419/432 | 197/197 |
| Grade2 | 658/931 | 434/453 | ||||||
| Grade1 | 1033/1045 | 51/362 | ||||||
1 Grade1 represents large size; 2 Grade2 represents medium size; 3 Grade3 represents small size; 4 C and γ are parameters of SVM model.