表1在线模型光谱预处理结果
预处理 | R2c | R2cv | RMSEC | RMSECV |
meancenter | 0.914 | 0.913 | 3.2391 | 3.2474 |
SNV+meancenter | 0.962 | 0.961 | 2.5356 | 2.5412 |
SNV+FD+SG3+meancenter | 0.965 | 0.964 | 2.7621 | 2.7692 |
SNV+ FD+SG5+meancenter | 0.963 | 0.962 | 2.8146 | 2.8212 |
SNV+SD+SG3+meancenter | 0.96 | 0.958 | 2.9246 | 2.9515 |
SNV+SD+SG5+meancenter | 0.963 | 0.958 | 2.6421 | 2.6522 |
(a) |
(b) |
图(a)预处理后的最优模型图 (b)第一主成分荷载图与组分纯光谱图 |