Spectroscopy and Spectral Analysis, Volume. 41, Issue 2, 565(2021)
Identification of Rice From Similar Areas With Different Pretreatment Methods of Raman Spectrum
Figures & Tables(9)
Fig. 3. Pre-processing method of first derivative+translation smoothing
Fig. 4. Pre-processing method of second derivative+translation smoothing
Fig. 5. Pre-processing method of wavelet transform+baseline removal
Fig. 6. Pre-processing method of piecewise polynomial fitting+baseline removal
Table 1. Correlation coefficient, Mean square error, Root mean square error of different pretreatment methods
View tableView in ArticleTable 1. Correlation coefficient, Mean square error, Root mean square error of different pretreatment methods
序号 预处理方法 训练集 测试集 CC MSE RMSE CC MSE RMSE 1 一阶导数+平移平滑 0.993 8 0.002 7 0.052 2 0.935 7 0.027 7 0.166 4 2 二阶导数+平移平滑 0.943 4 0.024 4 0.156 3 0.839 8 0.065 5 0.255 9 3 小波变换+去除基线 0.885 6 0.047 9 0. 218 6 0.884 6 0.048 4 0.220 0 4 3点2次拟合+去除基线 0.990 0 0.004 4 0.066 5 0.960 6 0.017 2 0.131 1 5 4点2次拟合+去除基线 0.994 6 0.002 4 0.048 9 0.887 0 0.050 5 0.224 7 6 5点2次拟合+去除基线 0.954 8 0.019 6 0.140 1 0.690 6 0.154 5 0.393 0 7 3点3次拟合+去除基线 0.981 7 0.008 1 0.089 9 0.929 7 0.030 2 0.173 7 8 3点4次拟合+去除基线 0.977 6 0.009 8 0.099 2 0.923 9 0.032 6 0.180 5 9 3点5次拟合+去除基线 0.976 3 0.010 4 0.102 0 0.896 0 0.044 2 0.210 3
Table 2. The number and recognition rate of different pre-processing methods in 17 test sample
View tableView in ArticleTable 2. The number and recognition rate of different pre-processing methods in 17 test sample
序号 预处理方法 A B C 总识别率/% 识别数 识别率/% 识别数 识别率/% 识别数 识别率/% 1 一阶导数+平移平滑 17 100 14 82.4 14 82.4 88.2 2 二阶导数+墙移平滑 16 94.1 14 82.4 14 82.4 86.2 3 小波变换+平移平滑 17 100 15 88.2 17 100 96.1 4 3点2次拟合+去除基线 17 100 17 100 17 100 100 5 4点2次拟合+去除基线 17 100 14 82.4 15 88.2 90.2 6 5点2次拟合+去除基线 15 88.2 7 41.1 5 29.4 52.9 7 3点3次拟合+去除基线 16 94.1 16 94.1 17 100 96.1 8 3点4次拟合+去除基线 16 94.1 17 100 17 100 98.0 9 3点5次拟合+去除基线 16 94.1 17 100 16 94.1 96.1
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Ya-xuan WANG, Feng TAN, Yuan-ming XIN, Huan LI, Xiao-yu ZHAO, Bao-xin LU. Identification of Rice From Similar Areas With Different Pretreatment Methods of Raman Spectrum[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 565
Paper Information
Category: Research Articles
Received: Dec. 25, 2019
Accepted: Apr. 22, 2020
Published Online: Apr. 8, 2021
The Author Email: WANG Ya-xuan (wangyaxuan1980@163.com)
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