Combining diverse systems for handwritten text line recognition

  • Authors:
  • Marcus Liwicki;Horst Bunke;James A. Pittman;Stefan Knerr

  • Affiliations:
  • University of Bern, Institute of Computer Science and Applied Mathematics, Neubrückstrasse 10, 3012, Bern, Switzerland;University of Bern, Institute of Computer Science and Applied Mathematics, Neubrückstrasse 10, 3012, Bern, Switzerland;Microsoft, Redmond, USA;Vision Objects, Nantes Cedex 3, France

  • Venue:
  • Machine Vision and Applications
  • Year:
  • 2011

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Abstract

In this paper, we present a recognition system for on-line handwritten texts acquired from a whiteboard. The system is based on the combination of several individual classifiers of diverse nature. Recognizers based on different architectures (hidden Markov models and bidirectional long short-term memory networks) and on different sets of features (extracted from on-line and off-line data) are used in the combination. In order to increase the diversity of the underlying classifiers and fully exploit the current state-of-the-art in cursive handwriting recognition, commercial recognition systems have been included in the combined system, leading to a final word level accuracy of 86.16%. This value is significantly higher than the performance of the best individual classifier (81.26%).