Study on the Calibration Transfer of Soil Nutrient Concentration from the Hyperspectral Camera to the Normal Spectrometer

Table 5

Prediction results of soil TC and TN concentration by different calibration transfer algorithms after SNV spectral pretreatment.

Calibration transfer methods	TC		TN
		RMSEP		RMSEP
None	0.199	9.409	0.220	1.251
Repfile model	0.587	3.437	0.618	0.418
Model updating	0.474	2.816	0.537	0.352
PDS	0.046	108.395	0.017	13.120
DS	0.263	4.290	0.210	0.622
CCA	0.238	4.647	0.179	0.683
SBC	0.199	3.465	0.187	0.454