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Articles

DISCRIMINATION OF PEACHES FOR FIRMNESS USING COLOR IMAGE ANALYSIS

Article number

599_37

Pages

309 – 314

Language

English

Abstract

A method to perform an indirect assessment of fruit firmness through a color measurement and non-destructively sort peaches for firmness is described.
Peaches of 3 cultivars (Babygold 9, Elegant lady, and Maycrest) were classified into two classes according to actual firmness data and using the thresholds resulting from a k-means clustering (multivariate analysis). Fruits were then classified in the same 2 classes with a linear discriminant analysis, based on color attributes.
In general, total correct classification resulted highest for Babygold 9 (93%) and lowest for Elegant lady fruits (65%), with accuracy varying according to the color pattern of the cultivar (i.e. per cent of blush on the total peel surface). Further studies are needed in order to validate these results for other varieties.

Publication

International Conference: Postharvest Unlimited

Authors

G. Peri, G.L. Montel, G. Colelli

Keywords

fruit sorting, RGB, maturity, soluble solids, titratable acidity, non-destructive quality assessment

Full text

https://doi.org/10.17660/ActaHortic.2003.599.37

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