Research Article
Soybean Saponin Content Detection Based on Spectral and Image Information Combination
Table 6
Prediction results based on different modelling methods.
| Model | Input | | RMSE | RPD |
| PLSR | Single spectral information | 0.7195 | 3.0639 × 10−3 | 1.8881 | Ensemble learning | Single spectral information | 0.7942 | 2.5261 × 10−3 | 2.2043 | Optimized ensemble learning | Single spectral information | 0.8406 | 2.3118 × 10−3 | 2.5047 | PLSR | Spectral image combination information | 0.7804 | 2.9747 × 10−3 | 2.1339 | Ensemble learning | Spectral image combination information | 0.8483 | 2.1685 × 10−3 | 2.5675 | Optimized ensemble learning | Spectral image combination information | 0.9216 | 1.7071 × 10−3 | 3.5714 |
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