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16th International Conference on Pattern Recognition (ICPR'02) - Volume 2
Fast On-Line learning of Point Distribution Models
Quebec City, QC, Canada
August 11-August 15
ISBN: 0-7695-1695-X
Abdullah A. Al-Shaher, University of York
Edwin R. Hancock, University of York
In this paper, we present a fast procedure for training point distribution models using the EM algorithm. Rather than estimating the class means and covariance matrices needed to construct the PDM, the method iteratively refines the eigenvectors of the covariance matrix using a gradient ascent technique. We evaluate the method on the problem of learning class-structure of Arabic characters.
Citation:
Abdullah A. Al-Shaher, Edwin R. Hancock, "Fast On-Line learning of Point Distribution Models," icpr, vol. 2, pp.20208, 16th International Conference on Pattern Recognition (ICPR'02) - Volume 2, 2002
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