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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 48  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIP 2021-08-23
13:00
Online Online A video smoke detection algorithm based on optical flow using multi-frame cumulative smoke motion
Kazutaka Kikuta, Yuki Murakami, Takeshi Murata (NICT) SIP2021-27
Detection of smoke in the early stages is essential for the prevention of fire. This research proposes a method for a sy... [more] SIP2021-27
pp.1-4
EMM, IT 2021-05-20
13:00
Online Online An Improved Key Generation Method in Knapsack Cryptosystem using Shifted-odd and Super-increasing Sequence
Minami Sato, Yasuyuki Murakami (OECU) IT2021-1 EMM2021-1
The security of most of the public-key cryptosystem depends
on the difficulty of the factoring problem,
the discrete l... [more]
IT2021-1 EMM2021-1
pp.1-6
EE, OME, CPM 2019-11-26
16:05
Tokyo Japan Society for the Promotiton of Machine Industry Scale Merit Investigation of Integrated Energy Management Effects of Multiple Wireless Base Transceiver Stations with PVs
Yuki Murakami, Daisuke Osaki, Shinji Wakao (Waseda Univ.), Masayasu Sumiya, Yuji Hosokawa, Kazuhiko Takeno (NTT DOCOMO) EE2019-48 CPM2019-90 OME2019-34
Currently, NTT DOCOMO promotes the introduction of mobile communication base stations equipped with PVs and storage batt... [more] EE2019-48 CPM2019-90 OME2019-34
pp.65-70
ISEC 2018-09-07
14:25
Tokyo Kikai-Shinko-Kaikan Bldg. New Public key attack on MH knapsak PKC
Ryuichi Sakai, Yasuyuki Murakami (OECU) ISEC2018-58
 [more] ISEC2018-58
pp.39-42
IT, EMM 2018-05-17
16:25
Tokyo Ookayama Campus, Tokyo Institute of Technology Public key attack on knapsak PKC based on subset sum decision problem
Ryuichi Sakai, Yasuyuki Murakami (Osaka Electro-Communication Univ.) IT2018-6 EMM2018-6
In 2012, Murakami, Hamasho and Kasahara have proposed a knapsack PKC based on the subset sum decision problem. An attack... [more] IT2018-6 EMM2018-6
pp.31-34
ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-AIT [detail] 2018-02-15
14:00
Hokkaido Hokkaido Univ. A Study on GNSS Positioning method with Map Information and Pseudo Satellite
Yuki Murakami, Hiroyuki Hatano (Utsunomiya Univ.) ITS2017-71 IE2017-103
For estimating user's position outdoor, GNSS (Global Navigation Satellite Systems) is very popular solution.
However, ... [more]
ITS2017-71 IE2017-103
pp.59-64
RECONF 2015-06-20
10:20
Kyoto Kyoto University Implementation and Applications of An Efficient Parallel Architecture for Matrix Calculations
Yuki Murakami, Naohito Nakasato, S. Sedukhin (Univ. of Aizu) RECONF2015-16
Matrix calculations are a fundamental tool in scientific and engineering applications. In our previous work, we have pro... [more] RECONF2015-16
pp.85-90
IA, ICSS 2015-06-12
11:10
Fukuoka Kyushu Institute of Technology Univ. Knapsack Cryptosystems with Random Secret Sequences using Logical And Operation
Yasuyuki Murakami, Shinsuke Hamasho (OECU), Masao Kasahara (WU/CU) IA2015-11 ICSS2015-11
In 2012, the present authors proposed a knapsack public-key cryptosystem using a random secret sequence, which will be r... [more] IA2015-11 ICSS2015-11
pp.57-62
ISEC, IT, WBS 2015-03-03
10:55
Fukuoka The University of Kitakyushu Knapsack Cryptosystem Using Three Random Secret Sequences
Yasuyuki Murakami, Shinsuke Hamasho (OECU), Masao Kasahara (WU/CU) IT2014-91 ISEC2014-104 WBS2014-83
In 2012, the present authors proposed a knapsack public-key cryptosystem using a random secret sequence, which will be r... [more] IT2014-91 ISEC2014-104 WBS2014-83
pp.187-192
IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] 2015-02-23
13:00
Hokkaido Hokkaido Univ. A study on tipping behavior detection during bicycle turning operation with gyro sensor and acceleration sensor
Tomoyuki Murakami, Kaichi Fujimura, Seiichiro Hangai (TUS) ITS2014-40 IE2014-67
In this paper, for the purpose of bicycle fall motion detection by sensing, We studied technique for detecting accelerat... [more] ITS2014-40 IE2014-67
pp.41-46
ISEC 2014-05-09
13:35
Tokyo Kikai-Shinko-Kaikan Bldg. An Interorganizational Cryptosystem Using RSA PKC
Yasuyuki Murakami (OECU), Masao Kasahara (Waseda Univ./Chuo Univ.) ISEC2014-2
Usual cryptosystems suppose the personal communication.
However, the secure and effecitive communication system
is des... [more]
ISEC2014-2
pp.7-12
EMCJ, WPT
(Joint)
2014-01-31
15:45
Saga Saga Univ. A Study on Ensuring Electromagnetic Immunity for Bioelectric Signal Sensors
Masayuki Murakami, Takumi Shimizu, Yasuharu Irizuki (TIRI) EMCJ2013-129
In the nursing and welfare sector, for supporting the independence of individuals requiring nursing care, devices such a... [more] EMCJ2013-129
pp.105-110
EID, ITE-IDY, IEIJ-SSL, IEE-EDD, SID-JC [detail] 2014-01-24
15:09
Niigata Niigata University Driving for Electrochromic Display Initialization
Yuki Murakami (Kyushu Univ.), Kazuaki Tsuji, Yoshinori Okada, Tohru Yashiro (Ricoh), Reiji Hattori (Kyushu Univ.) EID2013-17
We aimed at lifetime improvement and driving stabilization for electrochromic display (ECD). We examined the driving met... [more] EID2013-17
pp.45-48
EMCJ, IEE-EMC 2013-12-20
13:30
Aichi Denso co. Verifying robot safety function under Radiated, radio-frequency, electromagnetic field immunity
Satoshi Kazama, Hiroyasu Ikeda (JNIOSH), Masayuki Murakami (Tokyo metropolitan industrial technology research institute) EMCJ2013-105
One aspect of verifying robot safety is confirmation that safety features do not fail in the presence of electromagnetic... [more] EMCJ2013-105
pp.27-30
ITS, WBS
(Joint)
2013-12-04
11:15
Tokyo Tokyo University of Science A study on estimation for bicycle behavior using speed and gyro sensor
Tomoyuki Murakami, Kaichi Fujimura, Seiichiro Hangai (Tokyo Univ. of Sciense) ITS2013-28
In this paper, from the gyro sensor and speed sensor for the purpose of behavior detection of bicycle by sensing, was mo... [more] ITS2013-28
pp.67-72
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] 2013-07-19
10:15
Hokkaido   A Knapsack Cryptosystem Using Super-Decreasing Sequence
Shinsuke Hamasho, Yasuyuki Murakami (Osaka Electro-Comm. Univ.) ISEC2013-37 SITE2013-32 ICSS2013-42 EMM2013-39
Merkle-Hellman proposed a knapsack public-key cryptosystem(MH scheme). However, MH scheme was broken by Shamir’s attack ... [more] ISEC2013-37 SITE2013-32 ICSS2013-42 EMM2013-39
pp.263-268
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] 2013-07-19
10:40
Hokkaido   An Attack Against ID-Based Non-Interactive Key Sharing Scheme Using RSA Problem
Yasuyuki Murakami, Shinsuke Hamasho (Osaka Electro-Comm. Univ.) ISEC2013-38 SITE2013-33 ICSS2013-43 EMM2013-40
 [more] ISEC2013-38 SITE2013-33 ICSS2013-43 EMM2013-40
pp.269-274
EMCJ, ITE-BCT 2013-03-08
09:35
Tokyo Kikai-Shinko-Kaikan Bldg. Study of an ESD Immunity Test Procedure for Charged Frame Model in Personal Care Robots -- Simulation of Discharge from the Robot User --
Masayuki Murakami (TIRI), Hiroyasu Ikeda (JNIOSH) EMCJ2012-123
The charged frame ESD test introduced in the EMC product standard of electrically powered wheelchairs (ISO 7176-21) is a... [more] EMCJ2012-123
pp.1-6
HCS 2013-03-04
13:00
Shizuoka Hetel Wellseason Hamanako Design and Practice of Project-based Learning of Participatory Production Introducing Workshops
Mikihiko Mori (Kyoto Univ.), Masayuki Murakami (Kyoto Univ. of Foreign Studies), Tamaki Motoki, Hajime Kita (Kyoto Univ.) HCS2012-79
 [more] HCS2012-79
pp.11-16
MSS 2013-01-22
14:50
Osaka Osaka Int. Convention Center On Analysis on Reachability to Unsafe Markings in Free Choice Workflow Nets
Yuki Murakami, Ichiro Toyoshima, Shingo Yamaguchi (Yamaguchi Univ.) MSS2012-49
In the Free Choice Workflow net, the marking always reach to non-safety marking means that the workflow's instance can... [more] MSS2012-49
pp.23-26
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