บทคัดย่องานวิจัย

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Fresh Bruise Detection on selected Cultivars Apples using visible and NIR Spectroscopy

J. Xing and J. De Baerdemaeke

Book of Abstract. Information & technology for sustainable fruit & vegetable production, The 7th Fruit, Nut and Vegetable Production Engineering Symposium, 12-16 September 2005, Monpellier, France. Page 106

2005

บทคัดย่อ

Fresh Braise Detection on selected Cultivars Apples using visible and NIR Spectroscopy

Braising is o­ne of the most important causes for rejecting apples at quality inspection. The failure of recognizing the fresh bruises, which do not have signifies discoloration yet, attributes to part of the misclassification. This paper presented a method of using visible and NIR spectroscopy to detect fresh bruises by predicting the softening of apple tissue. The softening was described as an index value associated with the E-modulus. Reflectance spectra were acquired in the wavelength region between 400 and 1700 am. Partial Least Square regression was applied to relate the reflectance spectra to the softening of the apple tissue. With the developed algorithm, a classification accuracy of more than 95% could be obtained for both of the sound and recently bruised spots o­n the selected cultivars apples.