Spectroscopy and Spectral Analysis, Volume. 41, Issue 11, 3357(2021)
Research on Variety Identification of Fritillaria Based on Terahertz Spectroscopy
Figures & Tables(8)
Fig. 5. Relationship between principal component number and variance contribution rate
Fig. 6. Three-dimensional scores of first three principal components of four fritillaria species
Table 1. Classification accuracy of PLS-DA model
View tableView in ArticleTable 1. Classification accuracy of PLS-DA model
模型 整体正确率/% 各类正确率/% 川贝母
平贝母100 100
100川贝母
伊贝母93.333 91.667
95川贝母
浙贝母100 100
100平贝母
伊贝母100 100
100平贝母
浙贝母98.333 96.923
100伊贝母
浙贝母100 100
100
Table 2. Comparison of multiple classification results of fritillaria
View tableView in ArticleTable 2. Comparison of multiple classification results of fritillaria
分类模型 预处理方法 主成分数 川贝母/% 平贝母/% 伊贝母/% 浙贝母/% 整体/% RF 无 6 91.228 95.000 84.746 93.750 91.250 S-G 5 80.851 90.045 93.750 90.323 89.583 MSC 13 87.273 100.000 85.714 100.000 94.167 SNV 13 86.441 98.508 96.364 100.000 95.417 移动平均 4 92.452 86.793 90.000 90.625 90.000 Baseline offset 5 87.500 98.413 94.915 88.708 95.200 SVM 无 6 90.625 78.333 90.000 96.868 88.750 S-G 5 80.090 72.131 84.746 90.566 82.083 MSC 13 91.667 100.000 96.491 100.000 96.250 SNV 13 97.490 100.000 96.552 100.000 97.490 移动平均 4 82.090 62.500 89.474 80.769 78.333 Baseline offset 5 83.333 94.444 90.000 83.333 87.500 BPNN 无 6 79.6880 83.333 74.067 80.357 79.167 S-G 5 68.657 55.738 72.881 62.264 65.000 MSC 13 61.857 80.000 85.965 88.636 78.750 SNV 13 82.558 83.333 74.1380 73.810 79.167 移动平均 4 76.119 40.625 78.944 48.077 61.250 Baseline offset 5 72.222 77.778 58.333 74.074 70.417
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Yan-de LIU, Zhen XU, Jun HU, Mao-peng LI, Hui-zhen CUI. Research on Variety Identification of Fritillaria Based on Terahertz Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(11): 3357
Paper Information
Category: Orginal Article
Received: Sep. 30, 2020
Accepted: --
Published Online: Dec. 17, 2021
The Author Email: LIU Yan-de (jxliuyd@163.com)
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