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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 6 of 6  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
NLP, MSS 2023-03-17
14:30		 Nagasaki
(Primary: On-site, Secondary: Online)		 Global Convergence Analysis of Distributed HALS Algorithm for Nonnegative Matrix Factorization
Keiju Hayashi, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) MSS2022-104 NLP2022-149		 As a fast computational method for Nonnegative Matrix Factorization (NMF),
the Hierarchical Alternating Least Squares ... [more]		 MSS2022-104 NLP2022-149
pp.198-203
NLP, MSS 2023-03-17
14:50		 Nagasaki
(Primary: On-site, Secondary: Online)		 Reformulation of Optimization Problem in Randomized NMF and Proposal of A Novel Iterative Update Algorithm
Takao Masuda, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) MSS2022-105 NLP2022-150		 As an approach to efficiently perform large-scale Nonnegative Matrix Factorization (NMF), a randomized NMF was recently ... [more] MSS2022-105 NLP2022-150
pp.204-209
NC, IBISML, IPSJ-BIO, IPSJ-MPS [detail] 2021-06-28
13:50		 Online Online Simplification of Average Consensus Algorithm in Distributed HALS Algorithm for NMF
Keiju Hayashi, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NC2021-3 IBISML2021-3		 Nonnegative Matrix Factorization (NMF) is the process of approximating a given nonnegative matrix by the product of two ... [more] NC2021-3 IBISML2021-3
pp.15-22
NC, IBISML, IPSJ-BIO, IPSJ-MPS [detail] 2021-06-28
14:15		 Online Online Modification of Optimization Problem in Randomized NMF and Design of Optimization Method based on HALS Algorithm
Takao Masuda, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NC2021-4 IBISML2021-4		 Nonnegative matrix factorization (NMF) is the process of decomposing a given nonnegative matrix into two nonnegative fac... [more] NC2021-4 IBISML2021-4
pp.23-30
IT, SIP, RCS 2017-01-20
10:50		 Osaka Osaka City Univ. A New Iterative Method for Nonnegative Matrix Factorization with Sparsity and Smoothness and Its Global Convergence
Takumi Kimura, Norikazu Takahashi (Okayama Univ.) IT2016-93 SIP2016-131 RCS2016-283		 Nonnegative Matrix Factorization (NMF) is an operation that decomposes a given nonnegative matrix into two nonnegative f... [more] IT2016-93 SIP2016-131 RCS2016-283
pp.273-278
EA, SIP 2007-05-24
17:20		 Osaka Osaka Univ. Extraction of the global signal from multi-channel noisy signals and its application in EEG processing
Yoshikazu Washizawa (RIKEN), Yukihiko Yamashita (Tokyo Inst. of Tech), Toshihisa Tanaka (Tokyo Univ.of Agriculture and Tech.), Andrzej Cichocki (RIKEN) EA2007-17 SIP2007-21		 We propose a signal extraction method from multi-sensor network
when each observed signal consists of a global signal ... [more]		 EA2007-17 SIP2007-21
pp.61-66
 Results 1 - 6 of 6  /   
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