Hiroaki KOBAYASHI


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
 Summary | Full Text:PDF(656.3KB)

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
 Summary | Full Text:PDF(1MB)

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)

A Fast Ray-Tracing Using Bounding Spheres and Frustum Rays for Dynamic Scene Rendering
Ken-ichi SUZUKI Yoshiyuki KAERIYAMA Kazuhiko KOMATSU Ryusuke EGAWA Nobuyuki OHBA Hiroaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/04/01
Vol. E93-D  No. 4  pp. 891-902
Type of Manuscript:  PAPER
Category: Computer Graphics
Keyword: 
computer graphicsray tracingintersection testbounding volumebounding sphere
 Summary | Full Text:PDF(1.1MB)

Preparation and Evaluation of Aligned Naphthacene Thin Films Using Surface Plasmon Excitation
Tohru SHIMAOKA Hiroaki KOBAYASHI Kazuki YAMASHITA Yasuo OHDAIRA Kazunari SHINBO Keizo KATO Futao KANEKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/12/01
Vol. E89-C  No. 12  pp. 1758-1759
Type of Manuscript:  Special Section LETTER (Special Section on Towards the Realization of Organic Molecular Electronics)
Category: Evaluation of Organic Materials
Keyword: 
surface plasmonattenuated total reflectionemission lightnaphthacene
 Summary | Full Text:PDF(212.8KB)

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
 Summary | Full Text:PDF(557.2KB)

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
 Summary | Full Text:PDF(570.4KB)

Data-Parallel Volume Rendering with Adaptive Volume Subdivision
Kentaro SANO Hiroyuki KITAJIMA Hiroaki KOBAYASHI Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/01/25
Vol. E83-D  No. 1  pp. 80-89
Type of Manuscript:  PAPER
Category: Computer Graphics
Keyword: 
data-parallel volume renderingimage compositionadaptive volume subdivisionmessage-passing multiprocessors
 Summary | Full Text:PDF(1.2MB)

Slot-Array Receiving Antennas Fed by Coplanar Waveguide for 700 GHz Submillimeter-Wave Radiation
Hiroaki KOBAYASHI Yasuhiko ABE Yoshizumi YASUOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1248-1252
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: Phased Arrays and Antennas
Keyword: 
array antennacoplanar waveguideslot antennasubmillimeter wavethin-film antenna
 Summary | Full Text:PDF(1.5MB)

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
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The Object-Space Parallel Processing of the Multipass Rendering Method on the (Mπ)2 with a Distributed-Frame Buffer System
Hitoshi YAMAUCHI Takayuki MAEDA Hiroaki KOBAYASHI Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/09/25
Vol. E80-D  No. 9  pp. 909-918
Type of Manuscript:  Special Section PAPER (Special Issue on Architectures, Algorithms and Networks for Massively Parallel Computing)
Category: Computer Architecture
Keyword: 
massively parallel processing systemglobal illumination modelmultipass rendering methodray-tracingradiosityobject-space parallel processing modeldistributed frame buffer system
 Summary | Full Text:PDF(924.6KB)

(Mπ)2: A Hierarchical Parallel Processing System for the Multipass Rendering Method
Hiroaki KOBAYASHI Hitoshi YAMAUCHI Yuichiro TOH Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/08/25
Vol. E79-D  No. 8  pp. 1055-1064
Type of Manuscript:  Special Section PAPER (Special Issue on Architectures, Algorithms and Networks for Massively Parallel Computing)
Category: Architectures
Keyword: 
parallel processing systemsglobal illumination modelsradiosityray-tracingmultipass renderingload balancing schemecached frame buffer system
 Summary | Full Text:PDF(912.6KB)

Load Balancing Based on Load Coherence between Continuous Images for an Object-Space Parallel Ray-Tracing System
Hiroaki KOBAYASHI Hideyuki KUBOTA Susumu HORIGUCHI Tadao NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/12/25
Vol. E76-D  No. 12  pp. 1490-1499
Type of Manuscript:  PAPER
Category: Computer Systems
Keyword: 
computer systemscomputer graphicsparallel processingmultiprocessor systemsload balancing
 Summary | Full Text:PDF(925.6KB)