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 factorizationhierarchical alternating least squares algorithmEuclidean distanceglobal convergencesparsenesssmoothness
 Summary | Full Text:PDF(680.9KB)

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 WDMmultilayer controlquality of servicedifferentiated servicesclass-based queueclass-based lightpath
 Summary | Full Text:PDF(1.3MB)

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 serviceconnection setupcongestion controlcall-gappingleaky bucket
 Summary | Full Text:PDF(568.2KB)