Facial expression recognition based on graph-preserving sparse non-negative matrix factorization - researchr publication

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Ruicong Zhi, Markus Flierl, Qiuqi Ruan, W. Bastiaan Kleijn. Facial expression recognition based on graph-preserving sparse non-negative matrix factorization. In Proceedings of the International Conference on Image Processing, ICIP 2009, 7-10 November 2009, Cairo, Egypt. pages 3293-3296, IEEE, 2009. [doi]

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