Journal of Digital Convergence (디지털융복합연구)

The Society of Digital Policy and Management (한국디지털정책학회)
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High-Speed Decoding Algorithm of Data Codeword in Two-Dimensional PDF417 Bar Code

이차원 PDF417 바코드에서 데이터 코드워드의 고속 디코딩 알고리즘

  • Kim, Young-Jung (Dept. of Digital Informatics and Convergence, Chungbuk National University) ;
  • Cho, Young-Min (Dept. of Computer Education, Chungbuk National University) ;
  • Lee, Jong-Yun (Dept. of Digital Informatics and Convergence, Chungbuk National University)
  • 김영중 (충북대학교 디지털정보융합학과) ;
  • 조영민 (충북대학교 컴퓨터교육과) ;
  • 이종연 (충북대학교 디지털정보융합학과)
  • Received : 2014.01.03
  • Accepted : 2014.02.20
  • Published : 2014.02.28
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Abstract

Two-dimensional PDF417 bar code has a wide range of use and has a storage capacity to compress a large amount of data. With these characteristics, PDF417 has been used in various ways to prevent the forgery and alteration of important information in documents. On the other hand, previous decoding methods in PDF417 barcode are slow and inefficient because they simply employ the standard specifications of AIM (Association for Automatic Identification and Mobility). Therefore, this paper propose an efficient and fast algorithm of decoding PDF417 bar code. As a result, the proposed decoding algorithm will be more faster and efficient than previous methods.

PDF417은 2차원 바코드로서 사용범위가 넓고 방대한량을 압축하여 저장하는 능력을 가지고 있다. 이러한 특성을 가진 PDF417은 현재 중요한 문서의 위조나 변조를 막기 위한 다양한 용도로 쓰이고 있다. 한편 기존의 PDF417 바코드의 디코딩 기술은 단순히 기본 표준규격서인 AIM에서 제시한 디코딩하므로 비효율적이라 할 수 있다. 따라서 본 논문에서는 PDF417 바코드를 보다 빠르고 효율적인 디코딩 알고리즘을 제시하고자 한다. 결과적으로 제안하는 디코딩 알고리즘은 기존 방법과 비교하여 불필요한 디코딩 과정을 제거함으로서 빠르고 효율적인 디코딩 알고리즘이 될 것이다.

Keywords

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