HMM-Based Online Handwriting Recognition System for Telugu Symbols

  • Authors:
  • V. Babu;L. Prasanth;R. Sharma;G. V. Rao;A. Bharath

  • Affiliations:
  • Sri Sathya Sai Institute of Higher Learning, India;Sri Sathya Sai Institute of Higher Learning, India;Sri Sathya Sai Institute of Higher Learning, India;Sri Sathya Sai Institute of Higher Learning, India;Hewlett-Packard Labs

  • Venue:
  • ICDAR '07 Proceedings of the Ninth International Conference on Document Analysis and Recognition - Volume 01
  • Year:
  • 2007

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Abstract

In this paper we present an online handwritten symbol recognition system for Telugu, a widely spoken language in India. The system is based on Hidden Markov Models (HMM) and uses a combination of time-domain and frequency-domain features. The system gives top-1 accuracy of 91.6% and top-5 accuracy of 98.7% on a dataset containing 29,158 train samples and 9,235 test samples. We also introduce a cost-effective and natural data collection procedure based on ACECAD® Digimemo® and describe its usage in building a Telugu handwriting dataset.