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Issue No.11 - November (1991 vol.13)
pp: 1172-1184
ABSTRACT
<p>The authors present a planar shape recognition approach based on the hidden Markov model and autoregressive parameters. This approach segments closed shapes to make classifications at a finer level. The algorithm can tolerate a lot of shape contour perturbation and a moderate amount of occlusion. An orientation scheme is described to make the overall classification insensitive to shape orientation. Excellent recognition results have been reported. A distinct advantage of the approach is that the classifier does not have to be trained again when a new class of shapes is added.</p>
INDEX TERMS
pattern recognition; segmentation; 2-D shape classification; hidden Markov model; planar shape recognition; autoregressive parameters; shape contour perturbation; occlusion; orientation scheme; shape orientation; Markov processes; pattern recognition
CITATION
Y. He, A. Kundu, "2-D Shape Classification Using Hidden Markov Model", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.13, no. 11, pp. 1172-1184, November 1991, doi:10.1109/34.103276
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