Abstract
Pre-processing approaches have been widely used in face recognition to enhance images. However, a notably limited amount of research has examined the use of post-processing methods. In this paper, we propose a novel post-processing framework to improve dimensionality reduction methods for robust face recognition. The proposed method does not work on the features directly; it decomposes each feature into different components using multidimensional ensemble empirical mode decomposition and later maximizes the dependency and the dispersion among classes using a Gaussian function. The performance of the proposed algorithm is demonstrated through experiments by applying several dimensionality reduction techniques on two public databases.
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Abdelghafour Abbad received his Master’s degree in 2012 from the Faculty of Sciences Dhar El Mehraz Fez Morocco. Now he is a Ph.D. candidate in the LIIAN Laboratory at USMBA-Fez University. His research interests include pattern recognition, image processing, and computer vision.
Youssef Douini received his Master’s degree in 2015 from the Faculty of Sciences Dhar El Mehraz Fez Morocco. He is currently working on his Ph.D. in LIIAN Laboratory, Computer sciences Department, Faculty of Sciences Dhar El mahraz, Sidi Mohamed Ben Abdelah University, Morocco. His research interests include image registration, image processing, and computer vision.
Khalid Abbad received his Master’s degree from faculty of sciences Dhar El Mehraz FEZ MOROCCO in 2006 and Ph.D. in computer science from University Sidi Mohammed Ben Abdellah, Fez, Morocco in 2011. He is currently an assistant professor at faculty of science and technologies, Fez, Morocco. His current research activities are in pattern recognition, computer vision, and biometric recognition.
Hamid Tairi received his Ph.D. degree in 2001 from the University Sidi Mohamed Ben Abdellah, Morocco. In 2002 he has done a postdoc in the Image Processing Group of the Laboratory LE2I (Laboratoire d’Electronique, Informatique et Image). Since 2003, he has been an associate professor at the University Sidi Mohamed Ben Abdellah, where he obtained his HDR in 2009. His research interests are in visual tracking for robotic control, in 3D reconstruction of artificial vision, in medical image, in visual information retrieval, and pattern recognition.
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Abbad, A., Douini, Y., Abbad, K. et al. Post-processing of dimensionality reduction methods for face recognition. Pattern Recognit. Image Anal. 27, 266–275 (2017). https://doi.org/10.1134/S1054661817020018
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DOI: https://doi.org/10.1134/S1054661817020018