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Proceedings Paper

Automated x-ray detection of contaminants in continuous food streams
Author(s): David W. Penman
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Paper Abstract

As an inspection technology, x-rays have been used in food product inspection for a number of years. Despite this, in contrast with the use of image processing techniques in medical applications of x-rays, food inspection systems have remained relatively rudimentary. SOme of our earlier work in this area has been stimulate by specific x-ray inspection tasks, where we have been required to locate contaminants in batches of particular packaged products. We have developed techniques for contaminant detection in both canned and bagged products. This paper gives an overview of work undertaken by Industrial Research Limited on the development of automated machine vision techniques for the inspection of food products for contaminants. Our recent work has concentrated on the development of more generic techniques for detecting contaminants in a wide range of continuously produced products, with no requirement for product singulation. A particular emphasis in our work has been the real-time detection of contaminants appearing indistinctly in x-ray images in the presence of noise and major product variability.

Paper Details

Date Published: 31 October 1996
PDF: 7 pages
Proc. SPIE 2908, Machine Vision Applications, Architectures, and Systems Integration V, (31 October 1996); doi: 10.1117/12.257259
Show Author Affiliations
David W. Penman, Industrial Research Ltd. (New Zealand)


Published in SPIE Proceedings Vol. 2908:
Machine Vision Applications, Architectures, and Systems Integration V
Susan Snell Solomon; Bruce G. Batchelor; Frederick M. Waltz, Editor(s)

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