Comparison of Methods for estimating the Bruise Volume of Apples

Several methods for estimating the size of apple bruises have been compared against the actual volume measured using a sectioning and image analysis technique. The estimation methods were not consistent, with large estimation errors at small bruise sizes. The estimation of bruise volume was shown to...

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Bibliographic Details
Published in:	Journal of agricultural engineering research Vol. 74; no. 4; pp. 325 - 330
Main Authors:	Bollen, A.F., Nguyen, H.X., Dela Rue, B.T.
Format:	Journal Article
Language:	English
Published:	London Elsevier Science Ltd 01-12-1999 Academic Press
Subjects:	Agronomy. Soil science and plant productions Biological and medical sciences Food industries Fruit and vegetable industries Fundamental and applied biological sciences. Psychology General agronomy. Plant production Harvesting. Postharvest. Storage Vegetative propagation. Sowing and planting. Harvesting Estimation error Image analysis Apple Volume measurement Quality control Mechanical degradation Pome fruit Bruise Experimental study
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Summary:	Several methods for estimating the size of apple bruises have been compared against the actual volume measured using a sectioning and image analysis technique. The estimation methods were not consistent, with large estimation errors at small bruise sizes. The estimation of bruise volume was shown to be improved when the surface shape of the bruise was taken to be an ellipse instead of a circle. Various methods are recommended for the estimation of the bruise volume dependent on the range of the bruise sizes which are to be investigated.
ISSN:	0021-8634 1095-9246
DOI:	10.1006/jaer.1999.0468