Computer Science

Computer Science ›› 2025, Vol. 52 ›› Issue (11A): 241000179-7.doi: 10.11896/jsjkx.241000179

• Image Processing & Multimedia Technology • Previous Articles     Next Articles

Research on High-robustness Encoding and Localization Methods Based on Damaged QR Dode

KANG Bohan1, GAO Wanlin2, JIA Jingdun2,3   

  1. 1 China Ordins Group Co.,Ltd.,Beijing 100089,China
    2 College of Information and Electrical Engineering,China Agricultural University,Beijing 100083,China
    3 Corch High Technology Industry Development Center,Ministry of Science and Technology,Beijing 100036,China
  • Online:2025-11-15 Published:2025-11-10
  • Supported by:
    China North Industries Group Corporation Limited Youth Innovation Project:Research on Distributed Swarm Intelligence Data Sharing Model and Sharing Strategy under Digital Supply Chain.

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Abstract: With the popularization of mobile devices and the development of the IOT,QR code has become widely used as a convenient and efficient means of data transmission.However,QR code is susceptible to wear and corrosion during prolonged usage.In particular,damage such as corner loss can lead to the failure of the position detection module and the format information encoding module,making it difficult for users to decode QR code with traditional software.To cope with the problem,this paper proposes improved algorithms for the center position and edge corner detection area,made successful for localization by the decoder system when parts of the QR code’s position detection area are missing.Additionally,this paper introduces a novel structure for format version information to replace the functionality of the traditional structure of QR code.Experimental results demonstrate that the proposed methods can enhance more robustness in decoding than the conventional method with the corner loss of QR code,thereby possessing high significance in practical application.

Key words: QR code, Damaged QR code, Graph structure, Location method, Encoding method, Robustness

CLC Number: 

  • TP391
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