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A novel algorithm for feature selection using Harmony Search and its application for non-technical losses detection

2011; Elsevier BV; Volume: 37; Issue: 6 Linguagem: Inglês

10.1016/j.compeleceng.2011.09.013

1879-0755

Caio C. O. Ramos, André Nunes de Souza, Giovani Chiachia, Alexandre X. Falcão, João Paulo Papa,

Power Quality and Harmonics

Finding an optimal subset of features that maximizes classification accuracy is still an open problem. In this paper, we exploit the speed of the Harmony Search algorithm and the Optimum-Path Forest classifier in order to propose a new fast and accurate approach for feature selection. Comparisons to some other pattern recognition and feature selection techniques showed that the proposed hybrid algorithm for feature selection outperformed them. The experiments were carried out in the context of identifying non-technical losses in power distribution systems.