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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Fei Liu Guangming Sun Yong He |
| Copyright Year | 2009 |
| Abstract | Visible and near infrared (Vis/NIR) spectroscopy combined with calibration methods was investigated for the determination of protein content of auricularia auricula. The calibration set was consisted of 180 samples and the remaining 60 samples for the validation set. Different preprocessing methods were compared in partial least squares (PLS) models including Savitzky-Golay smoothing (SG), standard normal variate (SNV), the first and second derivative (1-Der and 2-Der), de-trending, and direct orthogonal signal correction (DOSC). The optimal PLS model was achieved by DOSC-PLS with determination coefficient R2=0.9533 and root mean squares error of prediction RMSEP=0.1884. Simultaneously, the scores of PLS latent variables were employed as the inputs of least squares-support vector machine (LS-SVM).The optimal prediction results were R2=0.9830 and RMSEP=0.1146 which was better than DOSC-PLS model. The results indicated that Vis/NIR spectroscopy combined with LS-SVM could be utilized as an efficient way for the determination of protein content of auricularia auricula. |
| Starting Page | 124 |
| Ending Page | 128 |
| File Size | 1156382 |
| Page Count | 5 |
| File Format | |
| ISBN | 9780769537368 |
| DOI | 10.1109/ICNC.2009.495 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-08-14 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Spectroscopy Protein engineering Ear Optical computing Predictive models Calibration Infrared spectra Helium Least squares methods Chemicals |
| Content Type | Text |
| Resource Type | Article |
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