Hiroyuki TAKIZAWA


A Light-Weight Rollback Mechanism for Testing Kernel Variants in Auto-Tuning
Shoichi HIRASAWA Hiroyuki TAKIZAWA Hiroaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/12/01
Vol. E98-D  No. 12  pp. 2178-2186
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Software
Keyword: 
auto-tuningrollbackcacheearly termination
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FLEXII: A Flexible Insertion Policy for Dynamic Cache Resizing Mechanisms
Masayuki SATO Ryusuke EGAWA Hiroyuki TAKIZAWA Hiroaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/07/01
Vol. E98-C  No. 7  pp. 550-558
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power and High-Speed Chips)
Category: 
Keyword: 
insertion policydynamic cache resizingenergy consumption
 Summary | Full Text:PDF(1.2MB)

MVP-Cache: A Multi-Banked Cache Memory for Energy-Efficient Vector Processing of Multimedia Applications
Ye GAO Masayuki SATO Ryusuke EGAWA Hiroyuki TAKIZAWA Hiroaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/11/01
Vol. E97-D  No. 11  pp. 2835-2843
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
vector architecturemultimedia applicationmulti-banked cache memory
 Summary | Full Text:PDF(2.1MB)

A Capacity-Aware Thread Scheduling Method Combined with Cache Partitioning to Reduce Inter-Thread Cache Conflicts
Masayuki SATO Ryusuke EGAWA Hiroyuki TAKIZAWA Hiroaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/09/01
Vol. E96-D  No. 9  pp. 2047-2054
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
chip multiprocessorsshared cachesinter-thread cache conflictsthread schedulingcache partitioning
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Balanced Ternary Quantum Voltage Generator Based on Zero Crossing Shapiro Steps in Asymmetric Two-Junction SQUIDs
Masataka MORIYA Hiroyuki TAKIZAWA Yoshinao MIZUGAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/03/01
Vol. E96-C  No. 3  pp. 334-337
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
SQUIDzero-crossing Shapiro stepbalanced ternary quantum voltage generator
 Summary | Full Text:PDF(865.4KB)

A Network Clustering Algorithm for Sybil-Attack Resisting
Ling XU Ryusuke EGAWA Hiroyuki TAKIZAWA Hiroaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/12/01
Vol. E94-D  No. 12  pp. 2345-2352
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: 
Keyword: 
sybil attacksocial networkattack edgeclustering
 Summary | Full Text:PDF(2MB)

Vector Quantization Codebook Design Using the Law-of-the-Jungle Algorithm
Hiroyuki TAKIZAWA Taira NAKAJIMA Kentaro SANO Hiroaki KOBAYASHI Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/06/01
Vol. E86-D  No. 6  pp. 1068-1077
Type of Manuscript:  PAPER
Category: Image Processing, Image Pattern Recognition
Keyword: 
vector quantizationthe equidistortion principlethe law-of-the-jungle algorithmthe minimax partial distortion criterion
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An Active Learning Algorithm Based on Existing Training Data
Hiroyuki TAKIZAWA Taira NAKAJIMA Hiroaki KOBAYASHI Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/01/25
Vol. E83-D  No. 1  pp. 90-99
Type of Manuscript:  PAPER
Category: Biocybernetics, Neurocomputing
Keyword: 
multilayer perceptronsthe network inversion algorithmactive learningclassification problems
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A Topology Preserving Neural Network for Nonstationary Distributions
Taira NAKAJIMA Hiroyuki TAKIZAWA Hiroaki KOBAYASHI Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1999/07/25
Vol. E82-D  No. 7  pp. 1131-1135
Type of Manuscript:  LETTER
Category: Bio-Cybernetics and Neurocomputing
Keyword: 
competitive Hebbian learning rulelaw of the jungle mechanismneural networknonstationary probability distributionself-organizing map
 Summary | Full Text:PDF(209.4KB)

Acceleration Techniques for the Network Inversion Algorithm
Hiroyuki TAKIZAWA Taira NAKAJIMA Masaaki NISHI Hiroaki KOBAYASHI Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1999/02/25
Vol. E82-D  No. 2  pp. 508-511
Type of Manuscript:  LETTER
Category: Bio-Cybernetics and Neurocomputing
Keyword: 
multilayer perceptronnetwork inversion algorithmactive learning based on existing training examplesclassification problems
 Summary | Full Text:PDF(133.3KB)

Kohonen Learning with a Mechanism, the Law of the Jungle, Capable of Dealing with Nonstationary Probability Distribution Functions
Taira NAKAJIMA Hiroyuki TAKIZAWA Hiroaki KOBAYASHI Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/06/25
Vol. E81-D  No. 6  pp. 584-591
Type of Manuscript:  PAPER
Category: Bio-Cybernetics and Neurocomputing
Keyword: 
adaptive vector quantizationequiprobable principleconscience mechanism Kohonen learningLOJ mechanismneural networksnonstationary probability distribution
 Summary | Full Text:PDF(617.7KB)