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versão impressa ISSN 0012-7353versão On-line ISSN 2346-2183
Resumo
ATENCIO, Pedro; SANCHEZ T, Germán e BRANCH, John William. AUTOMATIC VISUAL MODEL FOR CLASSIFICATION AND MEASUREMENT OF QUALITY OF FRUIT: CASE Mangifera indica l. Dyna rev.fac.nac.minas [online]. 2009, vol.76, n.160, pp.317-326. ISSN 0012-7353.
The physical properties of fruits in the agriculture industry constitute the main information in the quality determination for activities as exportation. This work presents a visual inspection based method for the classification of mango (Mangifera Indica L.). The classification process is made according to the Norma Técnica Colombiana (Colombian Technical Norm) NTC 5139 standard, by means of automatic estimation of physical properties of fruits, such as height, width, volume, weight, caliber, and maturity level using the Principal Component Analysis and a fruits ellipsoidal 3-D model. Finally, the level of maturity is inferred through a similarity measure of the color distribution between the fruit and experimentally fixed models in the HSL space. The results showed that the method is computationally efficient, non invasive, precise and of low cost.
Palavras-chave : Digital image processing; volume and color estimation; mango fruit.