According to the spectral reflectance autocorrelation coefficient, as shown in Figure 4 c, when the correlations of the spectral reflectances between adjacent wavelengths were highly significant, the wavelengths with local peaks in the selection were considered probable characteristic wavelengths in this study.
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Nondestructive Determination of Nitrogen, Phosphorus and Potassium Contents in Greenhouse Tomato Plants Based on Multispectral Three-Dimensional Imaging.
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