Table 7.
Results of discrimination models for pathogenic bacteria species based on the spectra with different pretreatment methods.
| Model | Pretreatment method | Accuracy | ||
|---|---|---|---|---|
| Training set | Test set | External validation set | ||
| 1D-CNN | None | 100.00% | 100.00% | 100.00% |
| 1D | 100.00% | 100.00% | 100.00% | |
| 2D | 100.00% | 100.00% | 100.00% | |
| MC | 100.00% | 100.00% | 100.00% | |
| MSC | 100.00% | 100.00% | 100.00% | |
| PLS-DA | None | 99.32% | 97.62% | 100.00% |
| 1D | 98.64% | 100.00% | 100.00% | |
| 2D | 99.32% | 100.00% | 100.00% | |
| MC | 98.64% | 97.62% | 100.00% | |
| MSC | 99.32% | 97.62% | 100.00% | |
| SVM | None | 88.44% | 80.95% | 85.71% |
| 1D | 100.00% | 92.86% | 100.00% | |
| 2D | 100.00% | 100.00% | 100.00% | |
| MC | 88.44% | 85.71% | 80.95% | |
| MSC | 98.64% | 85.71% | 80.95% | |