[1]YANG Zhi-jun,YE Dong-yi.A dynamic learning algorithm based on nonnegative matrix factorization[J].CAAI Transactions on Intelligent Systems,2010,5(4):320-326.
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CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume:
5
Number of periods:
2010 4
Page number:
320-326
Column:
学术论文—人工智能基础
Public date:
2010-08-25
- Title:
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A dynamic learning algorithm based on nonnegative matrix factorization
- Author(s):
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YANG Zhi-jun; YE Dong-yi
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College of Mathematics and Computer Science, Fuzhou University, Fuzhou 350108, China
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- Keywords:
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nonnegative matrix factorization; dynamic learning; initialization; error criteria
- CLC:
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TP181
- DOI:
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- Abstract:
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To improve the performance of the incremental nonnegative matrix factorization algorithm, error estimation criteria for judging the effectiveness of the incremental algorithm was presented. Then, a new dynamic nonnegative matrix factorization algorithm was proposed whereby incremental factorization was initialized with the already factorized matrices before adding new samples. Experimental results on a number of data sets showed that the proposed algorithm is capable of instantly updating both the base matrix and the code matrix. Another benefit of the method is that the computational complexity is relatively low. The proposed algorithm can also identify noise points when dealing with dynamic data. So it is a feasible and effective dynamic factorization algorithm.