Takumi KIMURA

Gauss-Seidel HALS Algorithm for Nonnegative Matrix Factorization with Sparseness and Smoothness Constraints
Takumi KIMURA Norikazu TAKAHASHI 
Publication:   
Publication Date: 2017/12/01
Vol. E100-A  No. 12  pp. 2925-2935
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
nonnegative matrix factorization, hierarchical alternating least squares algorithm, Euclidean distance, global convergence, sparseness, smoothness, 
 Summary | Full Text:PDF
Proposal and Comparison of QoS Schemes for IP-over-Optical Multilayer Networks
Takumi KIMURA Keisuke KABASHIMA Michihiro AOKI Shigeo URUSHIDANI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/10/01
Vol. E88-B  No. 10  pp. 3895-3903
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Photonic Network Technologies)
Category: 
Keyword: 
IP over WDM, multilayer control, quality of service, differentiated services, class-based queue, class-based lightpath, 
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Leaky-Bucket-with-Gate Algorithm for Connection-Setup Congestion Control in Multimedia Networks
Takumi KIMURA Takuya ASAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/03/25
Vol. E80-B  No. 3  pp. 448-455
Type of Manuscript:  PAPER
Category: Switching and Communication Processing
Keyword: 
multimedia service, connection setup, congestion control, call-gapping, leaky bucket, 
 Summary | Full Text:PDF