Journal
PATTERN RECOGNITION
Volume 48, Issue 6, Pages 2013-2028Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.patcog.2014.12.010
Keywords
Binary classification; Bayesian inference; Pattern recognition; Orthogonal polynomials
Funding
- Basic Science Research Program through National Research Foundation of Korea - Ministry of Education, Science and Technology [NRF-2012R1A1A2042428]
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A center sliding Bayesian design adopting orthogonal polynomials for binary pattern classification is studied in this paper. Essentially, a Bayesian weight solution is coupled with a center sliding scheme in feature space which provides an easy tuning capability for binary classification. The proposed method is compared with several state-of-the-art binary classifiers in terms of their solution forms, decision thresholds and decision boundaries. Based on the center sliding Bayesian framework, a novel orthogonal polynomial classifier is subsequently developed. The orthogonal polynomial classifier is evaluated using two representative orthogonal polynomials for feature mapping. Our experimental results show promising potential of the orthogonal polynomial classifier since it achieves both desired accuracy and computational efficiency. (C) 2014 Elsevier Ltd. All rights reserved.
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