2016
DOI: 10.1039/c5ay02694f
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Non-invasive measurement of soluble solid content and pH in Kyoho grapes using a computer vision technique

Abstract: The determination of SSC and pH in grapes could be well performed on the basis of RGB color features.

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Cited by 16 publications
(14 citation statements)
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“…Partial least squares regression is a linear regression method for multivariate calibration and has been widely applied in fruit and vegetable analysis, with favorable results. 10,13,3133 This method involves finding a quantitative relationship between two matrices, X , a matrix of predictors for instance spectral data, and Y , a matrix of responses of interest. 34 The PLSR can be expressed as where B is the matrix of regression coefficients and F is the matrix of Y residuals.…”
Section: Methodsmentioning
confidence: 99%
“…Partial least squares regression is a linear regression method for multivariate calibration and has been widely applied in fruit and vegetable analysis, with favorable results. 10,13,3133 This method involves finding a quantitative relationship between two matrices, X , a matrix of predictors for instance spectral data, and Y , a matrix of responses of interest. 34 The PLSR can be expressed as where B is the matrix of regression coefficients and F is the matrix of Y residuals.…”
Section: Methodsmentioning
confidence: 99%
“…The CVS is widely applied as a quality assurance technique for food products nowadays. More specifically, the CVS has been extensively studied over the decades in rapidly examining a series of interior and exterior quality metrics such as the varieties, defects and maturities of fruits in grapes (Xia, Wu, Nie, & He, ), bananas (Mendoza & Aguilera, ), watermelons (Koc, ), and rapeseeds (Kurtulmus & Unal, ). It is foreseeable that the CVS can be applied in larger fields of industrial applications.…”
Section: Introductionmentioning
confidence: 99%
“…Objective and quantitative color evaluation methods are desired in various agricultural fields 7 . Several studies using RGB (red‐green‐blue) images to evaluate the quality of fruits have been conducted, such as measuring the soluble solid content (SSC) and moisture content of the seedless watermelon, 22 measuring the soluble solid content and pH of Kyoho grapes, 23 and predicting three different ripening stages of papaya fruit 24 and oil palm fruit bunch 25 . Each R, G, or B component of a digital color image is stored using eight bits per color component per pixel in the range between 0 and 255 26 .…”
Section: Introductionmentioning
confidence: 99%