Spectroscopy and Spectral Analysis, Volume. 40, Issue 11, 3542(2020)
Study on Extracting Characteristic Wavelength of Soybean Physiological Information Based on Hyperspectral Technique
Figures & Tables(5)
Fig. 1. Characteristic wavelengths selected by CARS algorithm
(a): Chlorophyll content (D1); (b): Chlorophyll content(D2);(c): Light energy utilization (D1); (d): Light energy utilization(D2)
Fig. 2. Characteristic wavelengths selected by SPA algorithm
(a): Chlorophyll content (D1); (b): Chlorophyll content(D2);(c): Light energy utilization (D1); (d): Light energy utilization(D2)
Fig. 3. Characteristic wavelengths selected by CC algorithm
(a): Chlorophyll content (D1); (b): Chlorophyll content(D2);(c): Light energy utilization (D1); (d): Light energy utilization(D2)
Table 1. Optimization results from hyperspectral pre-processing methods
View tableView in ArticleTable 1. Optimization results from hyperspectral pre-processing methods
建模对象 日期 预处理方法 Rc Rp 建模对象 日期 预处理方法 Rc Rp 叶绿素含量 D1 RAW 0.842 0.828 光能利用率 D1 RAW 0.862 0.825 MSC 0.869 0.846 MSC 0.887 0.850 SNV 0.867 0.839 SNV 0.891 0.854 SG 0.855 0.838 SG 0.894 0.821 FD 0.858 0.824 FD 0.885 0.856 SD 0.859 0.818 SD 0.862 0.827 MSC-SG-FD 0.909 0.882 MSC-SG-FD 0.900 0.878 MSC-SG-SD 0.893 0.833 MSC-SG-SD 0.891 0.887 SNV-SG-FD 0.896 0.870 SNV-SG-FD 0.913 0.894 SNV-SG-SD 0.903 0.838 SNV-SG-SD 0.907 0.862 D2 RAW 0.875 0.730 D2 RAW 0.869 0.838 MSC 0.903 0.876 MSC 0.881 0.856 SNV 0.907 0.867 SNV 0.882 0.857 SG 0.887 0.869 SG 0.889 0.787 FD 0.883 0.814 FD 0.886 0.833 SD 0.873 0.788 SD 0.870 0.823 MSC-SG-FD 0.909 0.880 MSC-SG-FD 0.896 0.808 MSC-SG-SD 0.899 0.873 MSC-SG-SD 0.900 0.865 SNV-SG-FD 0.909 0.816 SNV-SG-FD 0.902 0.869 SNV-SG-SD 0.897 0.869 SNV-SG-SD 0.900 0.866
Table 2. Soybean physiological information inversion model results
View tableView in ArticleTable 2. Soybean physiological information inversion model results
建模对象 日期 建模方法 变量
保留数Pcs Rc Rp 建模对象 日期 建模方法 变量
保留数Pcs Rc Rp 叶绿素含量 D1 PLS 512 10 0.909 0.882 光能利用率 D1 PLS 512 10 0.913 0.894 CC-PLS 221 9 0.911 0.906 CC-PLS 234 9 0.919 0.902 CARS-PLS 41 9 0.927 0.892 CARS-PLS 46 9 0.921 0.909 SPA-PLS 20 7 0.944 0.911 SPA-PLS 27 7 0.929 0.912 D2 PLS 512 10 0.909 0.880 D2 PLS 512 10 0.902 0.869 CC-PLS 97 9 0.902 0.898 CC-PLS 224 9 0.907 0.885 CARS-PLS 96 9 0.914 0.899 CARS-PLS 32 9 0.912 0.898 SPA-PLS 23 7 0.941 0.903 SPA-PLS 37 7 0.925 0.907
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Shuang LIU, Hai-ye YU, Zhao-jia PIAO, Mei-chen CHEN, Tong YU, Li-juan KONG, Lei ZHANG, Jing-min DANG, Yuan-yuan SUI. Study on Extracting Characteristic Wavelength of Soybean Physiological Information Based on Hyperspectral Technique[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3542
Paper Information
Category: Research Articles
Received: Sep. 21, 2019
Accepted: --
Published Online: Jun. 18, 2021
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