Evaluation of Feature Sets in the Post Processing of Handwritten Pitman's Shorthand

  • Authors:
  • Swe Myo Htwe;Colin Higgins;Graham Leedham;Ma Yang

  • Affiliations:
  • University of Nottingham;University of Nottingham;Nanyang Technological University,;Nanyang Technological University,

  • Venue:
  • IWFHR '04 Proceedings of the Ninth International Workshop on Frontiers in Handwriting Recognition
  • Year:
  • 2004

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Abstract

Innovative ways to rapidly input text becomes essential in todayýs world of mobile computing. The paper discusses the computer transcription of handwritten Pitman shorthand as a means of rapid text entry to pen-based computers, particularly from the aspect of linguistic post processing. Feature-to-phoneme conversion is introduced as the first stage of a text-interpreter and the application of various production rules based on different pattern structures is discussed. It demonstrates that phoneme ordering is compulsory in dictionary-based transcription and the use of an approximate pattern-matching algorithm resolves the problem of recognition confusion between similar patterns. Experimental results are promising and demonstrate an overall accuracy of 84%.