A digital image-based traceability tool of the geographical origins of Argentine propolis
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- 作者：Gastó ; n Darí ; o Pierinia ; David Douglas Sousa Fernandesb ; Paulo Henrique Gonç ; alves Dias Dinizc ; paulodiniz.quimica@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Má ; rio Cé ; sar Ugulino de Araú ; job ; Marí ; a Susana Di Nezioa ; Marí ; a Eugenia Centurió ; na ; mecentur@criba.edu.ar" class="auth_mail" title="E-mail the corresponding author
- 关键词：Propolis ; Classification ; Digital images ; Geographical origin ; Successive Projections algorithm ; Linear Discriminant analysis
- 刊名：Microchemical Journal
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：128
- 期：Complete
- 页码：62-67
- 全文大小：822 K
文摘
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Geographical origins of Argentine propolis under study
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An analytical methodology based on digital images and chemometrics is described.
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RGB, HSI and Grayscale histograms were used as analytical information.
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Evaluations using PCA–LDA, SIMCA, kNN, PLS-DA and SPA–LDA
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Significantly better results were obtained with SPA–LDA variable selection.