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The Scientific World Journal - Volume 2014 2014, Article ID 835607, 8 pages -

Research Article

Pattern Recognition Research Group, Centre for Artificial Intelligence Technology, Faculty of Information Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bandar Baru Bangi, Malaysia

Department of Computer Science, Faculty of Education for Women, University of Kufa, Iraq

Data Mining and Optimization Group, Centre for Artificial Intelligence Technology, Faculty of Information Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bandar Baru Bangi, Malaysia

Received 1 December 2013; Accepted 20 February 2014; Published 25 March 2014

Academic Editors: S.-F. Chien, T. O. Ting, and X.-S. Yang

Copyright © 2014 Mohammed Hasan Abdulameer et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Existing face recognition methods utilize particle swarm optimizer PSO and opposition based particle swarm optimizer OPSO to optimize the parameters of SVM. However, the utilization of random values in the velocity calculation decreases the performance of these techniques; that is, during the velocity computation, we normally use random values for the acceleration coefficients and this creates randomness in the solution. To address this problem, an adaptive acceleration particle swarm optimization AAPSO technique is proposed. To evaluate our proposed method, we employ both face and iris recognition based on AAPSO with SVM AAPSO-SVM. In the face and iris recognition systems, performance is evaluated using two human face databases, YALE and CASIA, and the UBiris dataset. In this method, we initially perform feature extraction and then recognition on the extracted features. In the recognition process, the extracted features are used for SVM training and testing. During the training and testing, the SVM parameters are optimized with the AAPSO technique, and in AAPSO, the acceleration coefficients are computed using the particle fitness values. The parameters in SVM, which are optimized by AAPSO, perform efficiently for both face and iris recognition. A comparative analysis between our proposed AAPSO-SVM and the PSO-SVM technique is presented.





Autor: Mohammed Hasan Abdulameer, Siti Norul Huda Sheikh Abdullah, and Zulaiha Ali Othman

Fuente: https://www.hindawi.com/



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