Examinando por Materia "REDUCCIÓN DE DIMENSIONALIDAD"

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    Evaluación de técnicas para el análisis de relevancia basadas en filtros sobre imágenes radiológicas
    (2014-04-30) Roa-Martínez, S. M. (Sandra Milena); Loaiza-Correa, H. (Humberto )
    An important and fundamental stage in the image pattern recognition is the determination of the characteristics set that best describes the image. This paper describes a further step between the image characterization and its posterior classification or image retrieval similar to a given image, known as relevance analysis. It allows reducing the dimensionality of an initial set of features to a new set with fewer dimensions that preserves the hit rate of the retrieval. The analyzed images corresponded to lung nodules of radiological plaques of thorax, available through the open access library available through the Japanese society of radiological technology