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

Figure 4

The spectral data of normal spectrometer and hyperspectral camera for soil samples (a) with poor nutrient concentration (TC: 1.9 mg/kg; TN: 0.21 mg/kg), (b) with poor nutrient concentration by SNV, (c) with rich nutrient content (TC: 12.19 mg/kg; TN: 1.74 mg/kg), and (d) with poor and rich nutrient concentration by SNV.

(a)

(b)

(c)

(d)