基于自纠错编码的印刷可变点阵编码及译码算法  

Printing Variable Dot Matrix Coding and Decoding Algorithm Based on Self-correcting Coding

作　　者：李笑宇 李蔚[1] 余文波 邓鑫宇 吴量 郭赫胤 LI Xiao-yu;LI Wei;YU Wen-bo;DENG Xin-yu;WU Liang;GUO He-yin(School of Packaging and Materials Engineering,Hunan University of Technology,Zhuzhou 412007,China)

机构地区：[1]湖南工业大学包装与材料工程学院,株洲412007

出　　处：《印刷与数字媒体技术研究》2025年第1期82-92,共11页Printing and Digital Media Technology Study

基　　金：湖南省大学生创新创业训练计划项目(No.S202211535067)。

摘　　要：商品货物信息的防伪和隐藏的市场需求日益增加,因此需要设计一种具有隐藏信息和自纠错能力的Meta码来实现防窜溯源。本研究基于印刷信息点,采用DET重组、二维奇偶校验、LDPC编码、回转定位、周期性定位等方法完成Meta码的构造,并通过旋转矫正和编码的逆运算来完成码阵的信息识别。实验结果表明,所设计的Meta码具有较强的防伪、自纠错能力和鲁棒性,能够成功地从Meta码所组成的码阵中解析出明文信息。基于自纠错编码的印刷可变点阵编码及译码算法可以很好地适应市场的需求,对于印刷信息点在防伪方面具有较大的意义。The market demands for anti-counterfeiting and concealment of commodity and cargo information is increasingly day by day,so it is necessary to design a Meta code with hidden information and self-correction ability to solve the problem of anti-channeling traceability.Based on the printing information point,the construction of the Meta code was completed by DET recombination,two-dimensional parity,LDPC coding,rotary positioning,periodic positioning and other methods,and the information recognition of the code array was completed by rotation correction and inverse operation of the code.The experimental results showed that the constructed Meta code has strong anti-counterfeiting,self-correction ability and robustness,and can successfully parse plain text information from the code array composed of Meta code.The printing variable dot matrix coding and decoding algorithm based on self-correcting coding can well adapt to the needs of the current market and has great significance for printing information point in anti-counterfeiting.

关 键 词：防窜溯源 码字自纠错 信息点图像 

分 类 号：TS801[轻工技术与工程] TN911.3[电子电信—通信与信息系统]