Una propuesta para incrementar la capacidad discriminante de las técnicas PCA y LDA aplicadas al reconocimiento de rostros con imágenes IR

Main Article Content

Dúber Martínez
Humberto Loaiza C
Eduardo Caicedo B

Keywords

Reconocimiento de rostros, imágenes infrarrojas, Algoritmos genéticos, Análisis de Componentes Principales, Análisis Discriminante Lineal.

Resumen

Dos de las técnicas más ampliamente utilizadas en el campo del reconocimiento de rostros con imágenes infrarrojas son PCA (Principal Component Analisys) y LDA (Linear Discriminant Analysis). En este trabajo se presentan los resultados obtenidos al emplear algoritmos genéticos para incrementar el poder discriminante de los vectores que conforman el espacio de características generado por dichas técnicas, por medio de la asignación ponderada de pesos a cada vector según su nivel de aporte en la etapa de clasificación. Se muestra que bajo el esquema propuesto, se obtiene un menor error de clasificación respecto al método convencional.

PACS: 07.05.Pj, 07.57.Kp, 85.25.Pb,

MSC: 68T05

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