Yu-ping HUANG, De-zhen WANG, Hai-yan ZHOU, Yu-tu YANG, Kun-jie CHEN. Ripeness Assessment of Tomato Fruit by Optical Absorption and Scattering Coefficient Spectra[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3556
- Spectroscopy and Spectral Analysis
- Vol. 40, Issue 11, 3556 (2020)
Fig. 1. Different maturity stages for tomatoes based on their internal and surface color
Fig. 2. Schematic of the spatially-resolved spectroscopy system (a), and the flexible probe (b)
Fig. 3. Procedure of calculating μ a and μ 's
Fig. 4. Mean spectra of (a) absorption (μ a) and (b) reduced scattering (μ 's) coefficients for tomato fruit at the six maturity stages
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Table 1. The overall classification accuracies for tomato maturity in test set
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Table 2. Classification accuracies for tomato of six maturity stages using μ a×μ 's in test set
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Table 3. Classification accuracies for tomato of three maturity stages using μ a×μ 's in test set
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