Applications of hidden Markov models in bar code decoding

S. Krešić-Jurić, D. Madej, Fadil Santosa

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

We present a novel approach to edge detection in bar code signals using a hidden Markov model (HMM). We also present an algorithm for selection of an optimal filter scale used in smoothing the data. Experimental results show that the proposed HMM is superior in performance compared with existing algorithms in commercial scanners.

Original languageEnglish (US)
Pages (from-to)1665-1672
Number of pages8
JournalPattern Recognition Letters
Volume27
Issue number14
DOIs
StatePublished - Oct 15 2006

Keywords

  • Bar code decoding
  • Edge detection
  • Filter scale selection
  • Hidden Markov model

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