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An efficient approach for face recognition based on common eigenvalues
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DOI：10.1016/j.patcog.2013.11.027.png)
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Abstract
En 中文
In this paper, a simple technique is proposed for face recognition among many human faces. It is based on the polynomial coefficients, covariance matrix and algorithm on common eigenvalues. The main advantage of the proposed approach is that the identification of similarity between human faces is carried out without computing actual eigenvalues and eigenvectors. A symmetric matrix is calculated using the polynomial coefficients-based companion matrices of two compared images. The nullity of a calculated symmetric matrix is used as similarity measure for face recognition. The value of nullity is very small for dissimilar images and distinctly large for similar face images. The feasibility of the propose approach is demonstrated on three face databases, i.e., the ORL database, the Yale database B and the FERET database. Experimental results have shown the effectiveness of the proposed approach for feature extraction and classification of the face images having large variation in pose and illumination. (C) 2013 Elsevier Ltd. All rights reserved.
Keywords:
Face recognition
Feature extraction
Polynomial coefficients
Companion matrix
Nullity
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