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http://dx.doi.org/10.6109/jkiice.2019.23.3.276

A Method to Recover 2D barcodes Contaminated with Dust  

Ha, Eunjae (Department of Electronic Engineering, Korea National University of Transportation)
Lee, Jaesung (Department of Electronic Engineering, Korea National University of Transportation)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.23, no.3, 2019 , pp. 276-281 More about this Journal
Abstract
Food printers must use food ink cartridges approved by the Ministry of Food and Drug Safety (MFDS). A 2D bar code is used to read whether the ink cartridge is authentic. However, since the dye is diverged by heat pressure and printed, the barcode is contaminated. In this paper, we propose a pre-processing algorithm to solve the problem of barcode contamination by food coloring dust in a latte art printer. The algorithm is based on various morphological operations. We apply this algorithm before reading contaminated barcode images with a general QR code reader. It has been confirmed that, as compared with the existing QR code reader, the contamination rate that can be perceived is increased from 25% to 40% and even at a contamination rate of 45%, the recognition rate reaches 50%.
Keywords
Food Printer; 2D Barcode; Morphology; Pre-processing; Food Coloring;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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