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Paper Abstract and Keywords
Presentation 2011-06-30 16:05
A Modified Multiplicative Update Algorithm for Nonnegative Matrix Factorization and its Global Convergence -- The Case of Euclidean Distance Minimization --
Ryota Hibi, Norikazu Takahashi (Kyushu Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Nonnegative matrix factorization (NMF) is to approximate a given large
nonnegative matrix by the product of two small nonnegative matrices.
Although the multiplicative update algorithm is widely used as an efficient technique for NMF, it has a serious drawback that the update formulas are not well-defined because they are expressed in the form of a fraction. Furthermore, due to this drawback, the global convergence of the algorithm has not been guaranteed. In this report, we consider NMF in which the approximation error is measured by the Euclidean distance between matrices. We propose a modified multiplicative update algorithm in order to overcome the drawback of the original version and prove its global convergence.
Keyword (in Japanese) (See Japanese page) 
(in English) nonnegative matrix factorization / multiplicative update / Euclidean distance / global convergence / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 106, NLP2011-32, pp. 41-46, June 2011.
Paper # NLP2011-32 
Date of Issue 2011-06-23 (NLP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee NLP  
Conference Date 2011-06-30 - 2011-07-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Shari-cho Kohminkan: Yme-hall Shiretoko 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NLP 
Conference Code 2011-06-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Modified Multiplicative Update Algorithm for Nonnegative Matrix Factorization and its Global Convergence 
Sub Title (in English) The Case of Euclidean Distance Minimization 
Keyword(1) nonnegative matrix factorization  
Keyword(2) multiplicative update  
Keyword(3) Euclidean distance  
Keyword(4) global convergence  
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1st Author's Name Ryota Hibi  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Norikazu Takahashi  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker
Date Time 2011-06-30 16:05:00 
Presentation Time 25 
Registration for NLP 
Paper # IEICE-NLP2011-32 
Volume (vol) IEICE-111 
Number (no) no.106 
Page pp.41-46 
#Pages IEICE-6 
Date of Issue IEICE-NLP-2011-06-23 


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