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Please use this identifier to cite or link to this item: https://elib.bsu.by/handle/123456789/236068
Title: Сonstruction of a classification model for bulk cereal grains from diffuse reflectance spectra in the near infrared region, using logistic regression as an example
Authors: Protsenko, S. V.
Mishurnaya, V. S.
Voropay, E. S.
Issue Date: 2019
Citation: Journal of Applied Spectroscopy, Vol. 86, No. 1, March, 2019
Abstract: We have experimentally obtained support for the feasibility of detecting cereal grains of different grinds from the diffuse refl ectance spectrum. As the features describing the diffuse refl ectance spectra of wheat and oats of different grinds and moisture contents in the near IR range, we used combinations of optical densities and their second derivatives for the wavelengths 1200, 1422, 1778, 1916, and 2114 nm. Using logistic regression as an example, we constructed 20 classifi cation models based on the two features: 10 models for the optical density and 10 models for the second derivative of the optical density, corresponding to the selected wavelengths. The best classifi cation results were obtained with an algorithm using the values of the second derivative of the optical density at λ = 1778 nm and 2114 nm as the features.
URI: http://elib.bsu.by/handle/123456789/236068
Appears in Collections:Кафедра лазерной физики и спектроскопии

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