IJMECS Vol. 7, No. 1, 8 Jan. 2015
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Wavelet transform, contourlet transform, histogram equalization, face recognition, illumination
Evidently, the results of a face recognition system can be influenced by image illumination conditions. Regarding this, the authors proposed a system using wavelet-based contourlet transform normalization as an efficient method to enhance the lighting conditions of a face image. Particularly, this method can sharpen a face image and enhance its contrast simultaneously in the frequency domain to facilitate the recognition. The achieved results in face recognition tasks experimentally performed on Yale Face Database B have demonstrated that face recognition system with wavelet-based contourlet transform can perform better than any other systems using histogram equalization for its efficiency under varying illumination conditions.
Long B. Tran, Thai H. Le, "Using Wavelet-Based Contourlet Transform Illumination Normalization for Face Recognition", International Journal of Modern Education and Computer Science (IJMECS), vol.7, no.1, pp.16-22, 2015. DOI:10.5815/ijmecs.2015.01.03
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