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Key Technology for Food-Safety Traceability Based on a Combined Two-Dimensional Code

  • Zhonghua Li (School of Information Science and Engineering, Hebei North University) ;
  • Xinghua Sun (School of Information Science and Engineering, Hebei North University) ;
  • Ting Yan (School of Information Science and Engineering, Hebei North University) ;
  • Dong Yang (School of Information Science and Engineering, Hebei North University) ;
  • Guiliang Feng (School of Information Science and Engineering, Hebei North University)
  • Received : 2021.06.30
  • Accepted : 2022.11.27
  • Published : 2023.04.30

Abstract

Current food-traceability platforms suffer from problems such as inconsistent traceability standards, a lack of public credibility, and slow access to data. In this work, a combined code and identification method was designed that can achieve more secure product traceability using the dual anti-counterfeiting technology of a QR code and a hidden code. When the QR code is blurry, the hidden code can still be used to effectively identify food information. Based on this combined code, a food-safety traceability platform was developed. The platform follows unified encoding standards and provides standardized interfaces. Based on this innovation, the platform not only can serve individual food-traceability systems development, but also connect existing traceability systems. These will help to solve the problems such as non-standard traceability content, inconsistent processes, and incompatible system software. The experimental results show that the combined code has higher accuracy. The food-safety traceability platform based on the combined code improves the safety of the traceability process and the integrity of the traceability information. The innovation of this paper is invoking the combined code united the QR code's rapidity and the hidden code's reliability, developing a platform that uses a unified coding standard and provides a standardized interface to resolve the differences between multi-food-traceability systems. Among similar systems, it is the only one that has been connected to the national QR code identification platform. The project has made profits and has significant economic and social benefits.

Keywords

Acknowledgement

This paper is supported by the Key Research and Development Program of Hebei Province (No. 19277402D) and Research on the Teaching Mode of "Integration of Specialty and Innovation" for Computer Science and Technology Courses under the Background of New Engineering (No. GJ2020211).

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