A Maximum-Likelihood Approach to Symbolic Indirect Correlation

  • Authors:
  • Ashutosh Joshi;George Nagy;Daniel Lopresti;Sharad Seth

  • Affiliations:
  • Rensselaer Polytechnic Institute,Troy, NY;Rensselaer Polytechnic Institute,Troy, NY;Lehigh Univ. Bethlehem, PA;Univ. of Nebraska, Lincoln, NE

  • Venue:
  • ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 03
  • Year:
  • 2006

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Abstract

Symbolic Indirect Correlation (SIC) is a nonparametric method that offers significant advantages for recognition of ordered unsegmented signals. A previously introduced formulation of SIC based on subgraph-isomorphism requires very large reference sets in the presence of noise. In this paper, we seek to address this issue by formulating SIC classification as a maximum likelihood problem. We present experimental evidence that demonstrates that this new approach is more robust for the problem of online handwriting recognition using noisy input.