Computer Engineering and Applications ›› 2007, Vol. 43 ›› Issue (17): 198-201.

• 工程与应用 • Previous Articles     Next Articles

Research of RS code applied in coding and decoding of PDF417 error correcting code

LI Jian-xun1,XIE Jian-cang1,ZHANG Shuan-xin1,ZHI Yong2   

  1. 1.Xi’an University of Technology,Xi’an 710048,China
    2.Xi’an Jiaotong University,Xi’an 710049,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-06-11 Published:2007-06-11
  • Contact: LI Jian-xun

RS码技术在PDF417码纠错码编译码中的应用研究

李建勋1,解建仓1,张栓新1,智 勇2   

  1. 1.西安理工大学,西安 710048
    2.西安交通大学,西安 710049
  • 通讯作者: 李建勋

Abstract: The paper introduces RS code/decode as basic theory,then analyzes and researches 2-D bar PDF417 code and 417 national bar codes standard,and applies RS code into PDF417 error correcting code,realizes PDF417 error correcting code,Simultaneously proposes the method of computing 3power value in GF(929),solves the question that the intermediate result is oversized to cause the data overflow.Thus provides a complete solution for the PDF417 error correcting code.

摘要: 在引入RS码编译码原理的基础上,通过对二维条码PDF417码和四一七国家条码规范的分析和研究,将RS码技术应用到PDF417码纠错码的编码、译码算法过程中,完成了PDF417纠错的实现,同时给出了在GF(929)域中计算3的幂值的方法,解决了中间结果过大导致数据溢出的问题。为PDF417码的纠错码提供了一个完整的解决方案。