General framework for class-specific feature selection

Commonly, when a feature selection algorithm is applied, a single feature subset is selected for all the classes, but this subset could be inadequate for some classes. Class-specific feature selection allows selecting a possible different feature subset for each class. However, all the class-specifi...

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Detalles Bibliográficos
Autores: BARBARA BERENICE PINEDA BAUTISTA, Jesús Ariel Carrasco Ochoa, José Francisco Martínez Trinidad
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2011
País:México
Institución:Instituto Nacional de Astrofísica, Óptica y Electrónica
Repositorio:Repositorio Institucional del INAOE
Idioma:inglés
OAI Identifier:oai:inaoe.repositorioinstitucional.mx:1009/1593
Acceso en línea:http://inaoe.repositorioinstitucional.mx/jspui/handle/1009/1593
Access Level:acceso abierto
Palabra clave:info:eu-repo/classification/Class-specific feature selection/Class-specific feature selection
info:eu-repo/classification/Feature selection/Feature selection
info:eu-repo/classification/Supervised classification/Supervised classification
info:eu-repo/classification/Classifier ensemble/Classifier ensemble
info:eu-repo/classification/cti/1
info:eu-repo/classification/cti/12
info:eu-repo/classification/cti/1203
Descripción
Sumario:Commonly, when a feature selection algorithm is applied, a single feature subset is selected for all the classes, but this subset could be inadequate for some classes. Class-specific feature selection allows selecting a possible different feature subset for each class. However, all the class-specific feature selection algorithms have been proposed for a particular classifier, which reduce their applicability. In this paper, a general framework for using any traditional feature selector for doing class-specific feature selection, which allows using any classifier, is proposed. Experimental results and a comparison against traditional feature selectors showing the suitability of the proposed framework are included.