Int. J. Metrol. Qual. Eng.
Volume 6, Number 2, 2015
|Number of page(s)||8|
|Published online||26 August 2015|
On the quality of acoustical measures when evaluating fruits quality
1 UNAM Université, Laboratoire Angevin
de Recherche en Ingénierie de Systèmes (LARIS), University of Angers,
2 Groupe de Recherche en Agro-industrie sur les Produits et les Procédés (GRAPPE), Ecole Supérieure d’Agriculture Angers, France
Accepted: 19 May 2015
In this article we show that, without any technological modification, an acoustic firmness sensor used for estimating fruits firmness, can also be used in order to discriminate between different apple varieties. A repetability and reproducibility (R&R) analysis shows that the device is capable to measure not just the mass and the resonance frequency of fruits but also some other key spectral characteristics as well. Thus, 18 key features were identified and used for the classification of apples belonging to 10 different varieties. The prospects of this study are interesting in the context of sorting automatically fruits.
Key words: Capability study / acoustic measure / spectral analysis / classification / non-destructive test
© EDP Sciences 2015
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