光谱学与光谱分析 |
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Improving Partial Least Square Regression Precision in NIR Multi-Component Analysis Using Artificial Neural Network |
BAI Ying-kui1,MENG Xian-jiang1,DING Dong1,SHEN Xuan-guo2 |
1. Jilin University, College of Communication Engineering, Changchun 130025, China 2. Jilin University, College of Physics, Changchun 130025, China |
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Abstract The present paper presents a new NIR multi-component analysis method with Artificial Neural Network(ANN) and Partial Least Square Regression(PLS). First, this method divides the concentration range of training samples into some sub-ranges, and respectively computes a PLS correlation model in each sub-range with the sub-range’s training samples. Then, the authors classify prediction samples according to its concentration sub-range with ANN and judge which sub-range the prediction sample belongs to. Finally, the authors compute the concentration of prediction component with the PLS correlation model of the sub-range according to ANN. The experiment and the result of data processing show that this method improves the model’s applicability, and evidently enhances prediction precision compared to traditional PLS.
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Received: 2004-04-28
Accepted: 2004-09-12
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Cite this article: |
BAI Ying-kui,MENG Xian-jiang,DING Dong, et al. Improving Partial Least Square Regression Precision in NIR Multi-Component Analysis Using Artificial Neural Network [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(03): 381-383.
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URL: |
https://www.gpxygpfx.com/EN/Y2005/V25/I03/381 |
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