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Sensors 2016, 16(4), 527; doi:10.3390/s16040527

A Character Segmentation Proposal for High-Speed Visual Monitoring of Expiration Codes on Beverage Cans

Institute for Cybernetics, Campus de Tafira, Las Palmas de Gran Canaria, University of Las Palmas de Gran Canaria, 35017 Las Palmas, Spain
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Academic Editor: Vittorio M. N. Passaro
Received: 14 January 2016 / Revised: 23 March 2016 / Accepted: 30 March 2016 / Published: 13 April 2016
(This article belongs to the Section Physical Sensors)

Abstract

Expiration date labels are ubiquitous in the food industry. With the passage of time, almost any food becomes unhealthy, even when well preserved. The expiration date is estimated based on the type and manufacture/packaging time of that particular food unit. This date is then printed on the container so it is available to the end user at the time of consumption. MONICOD (MONItoring of CODes); an industrial validator of expiration codes; allows the expiration code printed on a drink can to be read. This verification occurs immediately after printing. MONICOD faces difficulties due to the high printing rate (35 cans per second) and problematic lighting caused by the metallic surface on which the code is printed. This article describes a solution that allows MONICOD to extract shapes and presents quantitative results for the speed and quality. View Full-Text
Keywords: image processing; OCR (Optical Character Recognition); pattern recognition; industrial inspection; very high-speed computing; character segmentation; tracking image processing; OCR (Optical Character Recognition); pattern recognition; industrial inspection; very high-speed computing; character segmentation; tracking
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Rodríguez-Rodríguez, J.C.; Quesada-Arencibia, A.; Moreno-Díaz, R.J.; García, C.R. A Character Segmentation Proposal for High-Speed Visual Monitoring of Expiration Codes on Beverage Cans. Sensors 2016, 16, 527.

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