Spectroscopy and Spectral Analysis, Volume. 41, Issue 11, 3545(2021)
Response Analysis of Hyperspectral Characteristics of Maize Seedling Leaves Under Different Light and Temperature Environment
Figures & Tables(9)
Fig. 1. Changes of leaf SPAD under different light and temperature environments
Fig. 2. Changes of leaf
Fig. 3. Hyperspectral characteristics of leaves under different light and temperatures environments
Fig. 4. Correlation between maize leaf hyperspectral data and SPAD
Fig. 5. Correlation between maize leaf hyperspectral data and
Fig. 6. Correlation between measured values and predicted values of the SPAD inversion model
Fig. 7. Correlation between measured value and the predicted value of the
Table 1. Light and temperature experimental treatment group
View tableView in ArticleTable 1. Light and temperature experimental treatment group
实验因素 处理组 温度(昼/夜 ℃) 光强/Lux 单因素实验 光温环境1 25/15 4 400 光温环境2 25/15 22 000 光温环境3 14/5 8 800 光温环境4 34/22 8 800 双因素实验 光温环境5 25/15 12 000 光温环境6 34/22 12 000 光温环境7 25/15 22 000 光温环境8 34/22 22 000
Table 2. Comparison of modeling effects of different modeling methods
View tableView in ArticleTable 2. Comparison of modeling effects of different modeling methods
建模
对象建模方法 训练集 验证集 Rc RMSEC Rp RMSEP SPAD PLS-MSC-SG 0.979 0.536 0.958 0.731 PCR-MSC-SG 0.897 1.150 0.882 1.310 SMLR-MSC-SG 0.969 0.636 0.910 1.110 PLS-SNV-SG 0.974 0.593 0.914 0.997 PCR-SNV-SG 0.893 1.230 0.884 1.280 SMLR-SNV-SG 0.967 0.641 0.905 1.120 Fv/Fm PLS-MSC-SG 0.995 0.008 0.976 0.017 PCR-MSC-SG 0.965 0.021 0.931 0.029 SMLR-MSC-SG 0.985 0.011 0.969 0.019 PLS-SNV-SG 0.993 0.008 0.974 0.018 PCR-SNV-SG 0.959 0.023 0.956 0.027 SMLR-SNV-SG 0.985 0.012 0.960 0.022
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Mei-chen CHEN, Hai-ye YU, Xiao-kai LI, Hong-jian WANG, Shuang LIU, Li-juan KONG, Lei ZHANG, Jing-min DANG, Yuan-yuan SUI. Response Analysis of Hyperspectral Characteristics of Maize Seedling Leaves Under Different Light and Temperature Environment[J]. Spectroscopy and Spectral Analysis, 2021, 41(11): 3545
Paper Information
Category: Orginal Article
Received: May. 12, 2021
Accepted: --
Published Online: Dec. 17, 2021
The Author Email: CHEN Mei-chen (1615501885@qq.com)
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