光谱学与光谱分析 |
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Radial Basis Function Networks and IR Spectrometry Applied for Identification of Official Rhubarb Samples |
MA Shu-min1, LIU Si-dong1, ZHANG Zhuo-yong2*, FAN Guo-qiang3 |
1. Faculty of Chemistry, Northeast Normal University, Changchun 130024, China 2. Department of Chemistry, Capital Normal University, Beijing 100037, China 3. Institute for Chinese Medicine, Beijing Tongrentang Group Co. Ltd., Beijing 100011, China |
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Abstract The Fourier transform infrared spectrometry (FTIRS) and radial basis function neural network (RBF-NN) have been applied to develop classification models for identifying official and unofficial rhubarb samples. The original data were compressed from 775 variables to 49 variables by using wavelet transformation method. The compressed spectra with reduced variables maintain the characteristics of the IR spectra and speed up the network training process. The effects of network parameters including error goal and spread constant, were investigated. The rate of correct classification is up to 97.78% at optimized conditions. Results show that the combination of IRS and ANN can be used as fast and convenient tool for identification of Chinese herbal samples.
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Received: 2003-12-06
Accepted: 2004-04-26
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Corresponding Authors:
ZHANG Zhuo-yong
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Cite this article: |
MA Shu-min,LIU Si-dong,ZHANG Zhuo-yong, et al. Radial Basis Function Networks and IR Spectrometry Applied for Identification of Official Rhubarb Samples[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(06): 874-877.
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URL: |
https://www.gpxygpfx.com/EN/Y2005/V25/I06/874 |
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