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http://dx.doi.org/10.26866/jees.2017.17.4.186

Food Powder Classification Using a Portable Visible-Near-Infrared Spectrometer  

You, Hanjong (Department of Secured Smart Electric Vehicle, Kookmin University)
Kim, Youngsik (Stratio Inc.)
Lee, Jae-Hyung (Stratio Inc.)
Jang, Byung-Jun (Department of Electrical Engineering, Kookmin University)
Choi, Sunwoong (Department of Secured Smart Electric Vehicle, Kookmin University)
Publication Information
Abstract
Visible-near-infrared (VIS-NIR) spectroscopy is a fast and non-destructive method for analyzing materials. However, most commercial VIS-NIR spectrometers are inappropriate for use in various locations such as in homes or offices because of their size and cost. In this paper, we classified eight food powders using a portable VIS-NIR spectrometer with a wavelength range of 450-1,000 nm. We developed three machine learning models using the spectral data for the eight food powders. The proposed three machine learning models (random forest, k-nearest neighbors, and support vector machine) achieved an accuracy of 87%, 98%, and 100%, respectively. Our experimental results showed that the support vector machine model is the most suitable for classifying non-linear spectral data. We demonstrated the potential of material analysis using a portable VIS-NIR spectrometer.
Keywords
Classification; Food Powder; Machine Learning; Near Infrared Spectroscopy; Portable VIS-NIR Spectrometer;
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