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Digital Handwriting Analysis of Characters in Chinese Patients with Mild Cognitive Impairment
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Data compression of the kanji character patterns digitized on the hexagonal mesh.

S Yajima1, J L Goodsell, T Ichida

  • 1Department of Information Science, Faculty of Engineering, Kyoto University, Kyoto, Japan.

IEEE Transactions on Pattern Analysis and Machine Intelligence
|August 27, 2011
PubMed
Summary

New data compression algorithms for Kanji characters achieve 60% data reduction. These two-stage methods store minimal pattern data and use corrections for efficient Kanji data compression.

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Area of Science:

  • Computer Science
  • Data Compression
  • Image Processing

Background:

  • Kanji character patterns require efficient storage and transmission.
  • Existing data compression methods may not be optimal for specialized character sets like Kanji.
  • Hexagonal mesh digitization offers a unique approach to pattern representation.

Purpose of the Study:

  • To introduce novel two-stage data compression algorithms specifically for Kanji character patterns.
  • To evaluate the effectiveness of these algorithms in reducing data size.
  • To assess the accuracy of pattern recovery after compression.

Main Methods:

  • Development of a two-stage compression approach for hexagonal mesh digitized Kanji patterns.
  • Storing only a fraction (one-third) of the original pattern elements.
  • Implementing a correction mechanism to refine the recovered pattern data.

Main Results:

  • Achieved a significant data reduction of 60 percent for Kanji character patterns.
  • The compression method retains essential pattern information while minimizing storage.
  • The correction stage effectively addresses potential errors in pattern reconstruction.

Conclusions:

  • The proposed two-stage data compression algorithms offer a highly effective solution for Kanji character data.
  • This method presents a substantial improvement in data reduction for specialized character sets.
  • The approach is suitable for applications requiring efficient storage and transmission of Kanji information.