Spectroscopy and Spectral Analysis, Volume. 40, Issue 11, 3567(2020)
Research on the Visualization Differentiation of Atractylodes Lancea Granule Manufactures Based on Hyperspectral Imaging Technology Combined With the Selection of Characteristic Wavelengths
Figures & Tables(6)
Fig. 1. (a)The TLC result and (b) average hyperspectral of
Sample 1, 2, and 3 were manufactured from Huarun Sanjiu, Jiangyin Tianjiang, and Zhejiang Huisong respectively
Fig. 2. (a) The changing trend of the number of sampled variables, (b) RMSECV values, (c) regression coefficients of each variable with the increasing of sampling runs of CARS, (d) results of selected characteristic wavelengths by RF, (e) discriminant rate and (f) kappa coefficient in different models based on different wavelengths
Fig. 3. Characteristic wavelength selection results based on (a) preliminary selection and (b) CA method and (c) correlation analysis among characteristic wavelengths selected by CARS in the distinguish study of
Fig. 4. The distinguish result map of
Table 1. Selected characteristic wavelengths in the distinguish study of
Atractylodes Lancea granules from different manufactures based on hyperspectral technologyView tableView in ArticleTable 1. Selected characteristic wavelengths in the distinguish study of
Atractylodes Lancea granules from different manufactures based on hyperspectral technology波长选择方法 数量 特征波长/nm CARS 19 975, 1 122, 1 220, 1 237, 1 294, 1 368, 1 372, 1 402, 1 409, 1 415, 1 419,
1 439, 1 442, 1 446, 1 476, 1 540,
1 561, 1 611, 1 669CARS-CA 4 975, 1 220, 1 419, 1 476 RF 5 1 005, 1 368, 1 409, 1 415, 1 442 RF-CA 2 1 005, 1 442 SFS 10 924, 975, 1 005, 1 294, 1 348, 1 365,
1 419, 1 442, 1 584, 1 645SFS-CA 4 924, 1 005, 1 419, 1 584 SPA 8 941, 948, 954, 1 126, 1 146, 1 274,
1 412, 1 483SPA-CA 3 948, 1 146, 1 412
Table 2. Model discrimination based on characteristic wavelengths in the distinguish study of
Atractylodes Lancea granules from different manufacturesView tableView in ArticleTable 2. Model discrimination based on characteristic wavelengths in the distinguish study of
Atractylodes Lancea granules from different manufactures波长选
择方法波长
数目KNN BPNN PLS-DA LS-SVM 总体判
别率/%Kappa
系数总体判
别率/%Kappa
系数总体叛
别率/%Kappa
系数γ δ2 总体判
别率/%Kappa
系数CARS 19 90 0.84 100 1 100 1 1.904×102 0.289 3 100 1 CARS-CA 4 94 0.91 98 0.97 100 1 1.198×103 0.289 100 1 RF 5 88 0.68 100 1 100 1 4.083×103 0.025 05 100 1 RF-CA 2 86 0.78 78 0.67 82 0.72 4.08×103 0.025 0 86 0.79 SFS 10 90 0.84 100 1 100 1 3.664×105 1.412 100 1 SFS-CA 4 90 0.84 98 0.97 68 0.50 3.66×105 1.41 100 1 SPA 8 94 0.91 98 0.97 100 1 6.889×103 0.509 0 100 1 SPA-CA 3 94 0.91 64 0.42 86 0.78 6.89×103 0.509 94 0.91
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Ye HUANG, Li LIU, Jing LIANG, Hong-xia YANG, Xiao-li LI, Ning XU. Research on the Visualization Differentiation of Atractylodes Lancea Granule Manufactures Based on Hyperspectral Imaging Technology Combined With the Selection of Characteristic Wavelengths[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3567
Paper Information
Category: Research Articles
Received: Nov. 11, 2019
Accepted: --
Published Online: Jun. 18, 2021
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