Abstract
Facial images change appearance due to multiple factors such as poses, lighting variations, facial expressions, etc. Tensor approach, an extension of conventional matrix, is appropriate to analyze facial factors since we can construct multilinear models consisting of multiple factors using tensor framework. However, given a test image, tensor factorization, i.e., decomposition of mixing factors, is a difficult problem especially when the factor parameters are unknown or are not in the training set. In this paper, we propose a novel tensor factorization method to decompose the mixing factors of a test image. We set up a tensor factorization problem as a least squares problem with a quadratic equality constraint, and solve it using numerical optimization techniques. The novelty in our approach compared to previous work is that our tensor factorization method does not require any knowledge or assumption of test images. We have conducted several experiments to show the versatility of the method for both face recognition and face synthesis.
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© 2006 Springer-Verlag Berlin Heidelberg
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Park, S.W., Savvides, M. (2006). Tensor Factorization by Simultaneous Estimation of Mixing Factors for Robust Face Recognition and Synthesis. In: Gunsel, B., Jain, A.K., Tekalp, A.M., Sankur, B. (eds) Multimedia Content Representation, Classification and Security. MRCS 2006. Lecture Notes in Computer Science, vol 4105. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11848035_21
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DOI: https://doi.org/10.1007/11848035_21
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-39392-4
Online ISBN: 978-3-540-39393-1
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