Abstract
The boosting-based fuzzy-rough multi-cluster (BFRMC) classification algorithm utilizing the rough set concepts of fuzzy lower and upper approximations is discussed in this chapter. The BFRMC algorithm transforms each quantitative value of a feature into fuzzy sets of linguistic terms using membership functions and calculates the fuzzy lower and upper approximations. The membership functions are generated from cluster points generated by the subtractive clustering technique. A certain rule set based on fuzzy lower approximation and a possible rule set based on fuzzy upper approximation are generated. Iterative rule learning based genetic algorithm is employed in combination with a boosting technique, for generating the possible rule set, incrementally optimizing each fuzzy classifier rule. The BFRMC classifier’s performance on the datasets from the UCI machine learning repository is discussed.
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Acknowledgments
Figures and tables in this chapter are adapted from ‘Boosting based Fuzzy-Rough Pattern Classifier’, Prahlad Vadakkepat, Pramod Kumar Pisharady, Sivakumar Ganesan, and Loh Ai Poh, Trends in Intelligent Robotics, Springer, Book Series: Communications in Computer and Information Science, Vol.103, Page Nos. 306-313, Copyright @ 2010, with permission from Springer Science+Business Media.
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Pisharady, P.K., Vadakkepat, P., Poh, L.A. (2014). Boosting Based Fuzzy-Rough Pattern Classifier. In: Computational Intelligence in Multi-Feature Visual Pattern Recognition. Studies in Computational Intelligence, vol 556. Springer, Singapore. https://doi.org/10.1007/978-981-287-056-8_6
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