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IEICE Trans

Takeshi OHKAWA

Fogcached-Ros: DRAM/NVMM Hybrid KVS Server with ROS Based Extension for ROS Application and SLAM Evaluation
Koki HIGASHI Yoichi ISHIWATA Takeshi OHKAWA Midori SUGAYA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2021/12/01
Vol. E104-D  No. 12  pp. 2097-2108
Type of Manuscript:  Special Section PAPER (Special Section on Parallel, Distributed, and Reconfigurable Computing, and Networking)
Category: 
Keyword: 
ROS, SLAM, KVS, memcached, NVM, edge computing, 
 Summary | Full Text:PDF
Genetic Node-Mapping Methods for Rapid Collective Communications
Takashi YOKOTA Kanemitsu OOTSU Takeshi OHKAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2020/01/01
Vol. E103-D  No. 1  pp. 111-129
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
interconnection networks, node mapping, genetic algorithms, 
 Summary | Full Text:PDF
Fast Computation with Efficient Object Data Distribution for Large-Scale Hologram Generation on a Multi-GPU Cluster
Takanobu BABA Shinpei WATANABE Boaz JESSIE JACKIN Kanemitsu OOTSU Takeshi OHKAWA Takashi YOKOTA Yoshio HAYASAKI Toyohiko YATAGAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2019/07/01
Vol. E102-D  No. 7  pp. 1310-1320
Type of Manuscript:  PAPER
Category: Human-computer Interaction
Keyword: 
computer generated holography, large-scale CGH, GPU cluster, 
 Summary | Full Text:PDF
Automatic Generation Tool of FPGA Components for Robots
Takeshi OHKAWA Kazushi YAMASHINA Takuya MATSUMOTO Kanemitsu OOTSU Takashi YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2019/05/01
Vol. E102-D  No. 5  pp. 1012-1019
Type of Manuscript:  Special Section PAPER (Special Section on Reconfigurable Systems)
Category: Design Tools
Keyword: 
FPGA, component oriented development, automatic generation, ROS, ROS-compliant FPGA component, robot, 
 Summary | Full Text:PDF
Accelerating Large-Scale Interconnection Network Simulation by Cellular Automata Concept
Takashi YOKOTA Kanemitsu OOTSU Takeshi OHKAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2019/01/01
Vol. E102-D  No. 1  pp. 52-74
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
interconnection networks, simulation, GPGPU, multithreading, 
 Summary | Full Text:PDF
A Genetic Approach for Accelerating Communication Performance by Node Mapping
Takashi YOKOTA Kanemitsu OOTSU Takeshi OHKAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2018/12/01
Vol. E101-D  No. 12  pp. 2971-2975
Type of Manuscript:  Special Section LETTER (Special Section on Parallel and Distributed Computing and Networking)
Category: Architecture
Keyword: 
parallel computers, interconnection networks, collective communication, communication performance, topology mapping, 
 Summary | Full Text:PDF
FPGA Components for Integrating FPGAs into Robot Systems
Takeshi OHKAWA Kazushi YAMASHINA Hitomi KIMURA Kanemitsu OOTSU Takashi YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2018/02/01
Vol. E101-D  No. 2  pp. 363-375
Type of Manuscript:  Special Section PAPER (Special Section on Reconfigurable Systems)
Category: Emerging Applications
Keyword: 
FPGA, component-oriented development, ROS, ROS-compliant FPGA component, robot, 
 Summary | Full Text:PDF
A Static Packet Scheduling Approach for Fast Collective Communication by Using PSO
Takashi YOKOTA Kanemitsu OOTSU Takeshi OHKAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2017/12/01
Vol. E100-D  No. 12  pp. 2781-2795
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Interconnection networks
Keyword: 
parallel computers, interconnection networks, collective communication, communication performance, packet scheduling, 
 Summary | Full Text:PDF
Enhancing Entropy Throttling: New Classes of Injection Control in Interconnection Networks
Takashi YOKOTA Kanemitsu OOTSU Takeshi OHKAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/12/01
Vol. E99-D  No. 12  pp. 2911-2922
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Interconnection network
Keyword: 
parallel computers, interconnection networks, congestion control, throttling, 
 Summary | Full Text:PDF
A Cascaded Folding ADC Based on Fast-Settling 3-Degree Folders with Enhanced Reset Technique
Koichi ONO Takeshi OHKAWA Masahiro SEGAMI Masao HOTTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/03/01
Vol. E93-C  No. 3  pp. 288-294
Type of Manuscript:  Special Section PAPER (Special Section on Circuits and Design Techniques for Advanced Large Scale Integration)
Category: 
Keyword: 
ADC, folding, interpolation, reset, averaging, error correction, 
 Summary | Full Text:PDF