Employing Fuzzy-Histogram Equalization to Combat Illumination Invariance in Face Recognition Systems

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Author(s)

Adebayo Kolawole John 1,* Onifade Olufade Williams 2

1. Department Of Computer Science, Oduduwa University, Ipetumodu, Ile-Ife, Nigeria

2. Department Of Computer Science, University Of Ibadan, Ibadan, Nigeria

* Corresponding author.

DOI: https://doi.org/10.5815/ijisa.2012.09.07

Received: 3 Oct. 2011 / Revised: 3 Feb. 2012 / Accepted: 11 May 2012 / Published: 8 Aug. 2012

Index Terms

Principal component analysis, Fuzzy Histogram Equalization, Biometric, Face recognition, Illumination Invariance

Abstract

With the recent surge in acceptance of face recognition systems, more and more work is needed to perfect the existing grey areas. A major concern is the issue of illumination intensities in the images used as probe and images trained in the database. This paper presents the adoption and use of fuzzy histogram equalization in combating illumination variations in face recognition systems. The face recognition algorithm used is Principal Component Analysis, PCA. Histogram equalization was enhanced using some fuzzy rules in order to get an efficient light normalization. The algorithms were implemented and tested exhaustively with and without the application of fuzzy histogram equalization to test our approach. A good and considerable result was achieved.

Cite This Paper

Adebayo Kolawole John, Onifade Onifade Williams, "Employing Fuzzy-Histogram Equalization to Combat Illumination Invariance in Face Recognition Systems", International Journal of Intelligent Systems and Applications(IJISA), vol.4, no.9, pp.54-60, 2012. DOI:10.5815/ijisa.2012.09.07

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