文献出处: Taijan L, Senk I, Tegeltija S, et al. A readability analysis for QR code application in a traceability system[J]. uence the read time, but influences the code readability. The paper further presents an example of the proposed traceability system, where the QR codes are used for data tracking and tracing for fruit yogurts, based on the recommendations gained through the readability analysis. This traceability system concept is universal and can be used for various products with slight modifications.
Keywords: Traceability; QR code; Barcode; Mobile phone; Readability
Introduction
Food product traceability is a topic that draws attention of an increasing number of researchers in the world. In order to set a traceability system, it is necessary to provide updated data that is significant to the user, such as the product origin, processing mode, storing conditions, and expiration date. In each system there is a critical point where the systematic information loss occurs when the information about a product or process is not linked to a product and recorded systematically (Hu et al., 2013), thus it is important to set the system so that the potential critical points are recognized and the problems eliminated before the implementation of the traceability system.
The appearance of the avian and swine influenza, bovine spongiform encephalopathy ("the mad cow disease”)as well as frequent occurrence of undesirable substances (pesticides, heavy metals, etc.) in food products increases the need for an efficient system for tracing the origin and the processing conditions of food during production, transport and warehousing. Product traceability is an efficient way for increasing food safety and quality and to reduce the expenses for withdrawal of problematic products from the market (Regattieri et al., 2007), as well as to improve production strategies in a company (Saltini and Akkerman, 2012) and production control (Saltini et al., 2013). Product traceability is extrem
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