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Iteckne
versión impresa ISSN 1692-1798
Resumen
CORTES-MARTINEZ, Luis Miguel y ESPITIA-CUCHANGO, Helbert Eduardo. GENDER CLASSIFICATION BASED ON VOICE SIGNALS USING FUZZY MODELS AND OPTIMIZATION ALGORITHMS. Iteckne [online]. 2019, vol.16, n.2, pp.126-143. ISSN 1692-1798. https://doi.org/10.15332/iteckne.v16i2.2356.
This paper describes a gender classification scheme based on voice signals in which 16 different fuzzy models are proposed and optimized using four bio-inspired optimization algorithms and the quasi-Newton method. The classification scheme considers four data sets and five different voice features to define the input values of an algorithm in the optimization process. The inputs of each fuzzy model define the mean and variance of their Gaussian membership functions, and their fitness is evaluated by the input values of the algorithm and mean squared error as objective function to be minimized. A comparative analysis between models, algorithms and data sets is made to obtain conclusions according to the results of each optimized model.
Palabras clave : Fuzzy logic; optimization; genetic algorithms; harmony search; differential evolution; particle swarm optimization; quasi Newton method; gender classification.