Continuous HMM applied to quantization of on-line Korean character spaces

K. C. Jung, S. M. Yoon, H. J. Kim

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

This paper demonstrates the effectiveness of a continuous HMM (CHMM) for quantizing on-line Korean character spaces. Vector quantization (VQ) error is a major factor that affects the performance of pattern recognition. Accordingly, a CHMM is used to classify on-line Korean character space into clusters where each cluster is represented by a CHMM state Gaussian function. The experimental results show that the proposed CHMM vector quantization decreases the quantization distortion in the VQ stage compared to other methods and thereby improves the performance of a discrete HMM-based recognition system.

Original languageEnglish
Pages (from-to)303-310
Number of pages8
JournalPattern Recognition Letters
Volume21
Issue number4
DOIs
StatePublished - Apr 2000

Keywords

  • Continuous HMM
  • Korean character recognition
  • Vector quantization

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