Generation of Synthetic Training Data for an HMM-based Handwriting Recognition System

  • Authors:
  • Tamás Varga;Horst Bunke

  • Affiliations:
  • -;-

  • Venue:
  • ICDAR '03 Proceedings of the Seventh International Conference on Document Analysis and Recognition - Volume 1
  • Year:
  • 2003

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Abstract

A perturbation model for generating synthetic textlinesfrom existing cursively handwritten lines of text producedby human writers is presented. Our purpose is to improvethe performance of an HMM-based off-line cursive handwritingrecognition system by providing it with additionalsynthetic training data. Two kinds of perturbations are applied,geometrical transformations and thinning/thickeningoperations. The proposed perturbation model is evaluatedunder different experimental conditions.