Identification of Liquor Brands Based on near Infrared Spectroscopy

Abstract:

In this paper, the liquor brands were identified based on the near infrared spectroscopy method and the principal component analysis. 60 samples of 6 different brands liquor were measured by the spectrometer of USB4000. Then, in order to eliminate the noise caused by the external factors, the smoothing method and the multiplicative scatter correction method were used. After the preprocessing, we got the revised spectra of the 60 samples. The difference of the spectrum shape of different brands is not much enough to classify them. So the principal component analysis was applied for further analysis. The results showed that the first two principal components variance contribution rate had reached 99.06%, which can effectively represent the information of the spectrums after preprocessing. From the scatter plot of the two principal components, the 6 different brands of liquor were identified more accurate and easier than the spectra curves.

• Periodical: Advanced Materials Research (Volumes 834-836)
• Pages: 935-938
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.834-836.935
• Online since: October 2013
• Authors: Lian Shun Zhang*, Chao Guo, Bao Quan Wang
• Keywords: Identification of Liquor Brands, Multiplicative Scatter Correction Method, Near Infrared Spectroscopy (NIRS), Principal Component

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