Application and method of feature extraction for approximate orthogonal non-negative matrix factorization

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[1] [1,2,Hu, Lirui
[2] 1,Wu, Jianguo
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Hu, L. (hulr163@163.com) | 1600年 / Binary Information Press, P.O. Box 162, Bethel, CT 06801-0162, United States卷 / 09期
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Iterative methods - Character recognition - Orthogonal functions - Extraction - Non-negative matrix factorization - Matrix algebra;
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