Title :
Unsupervised feature selection for ensemble of classifiers
Author :
Morita, Marisa ; Oliveira, Luiz S. ; Sabourin, Robert
Abstract :
In this paper we discuss a strategy to create ensemble of classifiers based on unsupervised features selection. It takes into account a hierarchical multi-objective genetic algorithm that generates a set of classifiers by performing feature selection and then combines them to provide a set of powerful ensembles. The proposed method is evaluated in the context of handwritten month word recognition, using three different feature sets and hidden Markov models as classifiers. Comprehensive experiments demonstrate the effectiveness of the proposed strategy.
Keywords :
feature extraction; genetic algorithms; handwritten character recognition; hidden Markov models; unsupervised learning; classifier ensemble; feature set; handwritten month word recognition; hidden Markov model; multiobjective genetic algorithm; unsupervised feature selection; Clustering algorithms; Clustering methods; Constraint optimization; Genetic algorithms; Handwriting recognition; Hidden Markov models; Pattern recognition; Power generation; Supervised learning; Unsupervised learning; Ensemble of Classifiers; Genetic Algorithms; Handwriting Recognition; Multi-objective Optimization; Unsupervised Feature Selection;
Conference_Titel :
Frontiers in Handwriting Recognition, 2004. IWFHR-9 2004. Ninth International Workshop on
Print_ISBN :
0-7695-2187-8
DOI :
10.1109/IWFHR.2004.105