期刊
SOFT COMPUTING
卷 16, 期 9, 页码 1525-1537出版社
SPRINGER
DOI: 10.1007/s00500-012-0826-4
关键词
Extreme learning machine (ELM); Face recognition; Lattice independent component analysis (LICA); Lattice computing
资金
- Basque Government through the Research Staff Training Program of the Education, University and Research Department
We focus on two aspects of the face recognition, feature extraction and classification. We propose a two component system, introducing Lattice Independent Component Analysis (LICA) for feature extraction and Extreme Learning Machines (ELM) for classification. In previous works we have proposed LICA for a variety of image processing tasks. The first step of LICA is to identify strong lattice independent components from the data. In the second step, the set of strong lattice independent vector are used for linear unmixing of the data, obtaining a vector of abundance coefficients. The resulting abundance values are used as features for classification, specifically for face recognition. Extreme Learning Machines are accurate and fast-learning innovative classification methods based on the random generation of the input-to-hidden-units weights followed by the resolution of the linear equations to obtain the hidden-to-output weights. The LICA-ELM system has been tested against state-of-the-art feature extraction methods and classifiers, outperforming them when performing cross-validation on four large unbalanced face databases.
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