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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 63件中 21~40件目 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MI 2016-01-20
14:38
Okinawa Bunka Tenbusu Kan Semiautomatic method for measuring alveolar bone resorption level with alveolar crest line detection by thin plate splines deformation and gradient analysis on dental panoramic radiographs
Ryo Takahashi, Chisako Muramatsu, Takeshi Hara (Gifu Univ.), Tatsuro Hayashi (Media Co., Ltd.), Tatsumasa Fukui, Akitoshi Katsumata (Asahi Univ.), Hiroshi Fujita (Gifu Univ.) MI2015-139
Alveolar bone resorption is one of the most significant signs to evaluate the destruction of periodontium by periodontal... [more] MI2015-139
pp.327-330
EST 2015-09-03
13:25
Okinawa Oohama-Nobumoto-Kinenkan, Ishigaki Island, Okinawa, Japan Wavelength Response Analysis of the Localized Surface Plasmons in a Gold Nano-Cylinder Chain for Varying the Polarization Direction
Shinichiro Ohnuki, Ryo Takahashi, Kazuya Nagasawa (Nihon Univ) EST2015-58
Recently, a study of plasmonic devices comprised of nano metals has been attracted attention. In this paper, we analyze ... [more] EST2015-58
pp.29-32
OME, IEE-DEI 2015-07-29
14:10
Toyama Univ. of Toyama Room temperature pulsed oscillation of organic dye VCSELs pumped by blue laser diode
Motoharu Tanizawa, Ryohei Takahashi, Takeo Maruyama, Koichi Iiyama (Kanazawa Univ.) OME2015-37
A vertical cavity surface emitting laser using an organic dye active layer was fabricated by a wafer bonding method, and... [more] OME2015-37
pp.15-17
CCS
(2nd)
2015-03-06
10:20
Tokyo Tokyo Institute of Technology A study on existence condition of circuit connections for power packet transmission
Shinya Nawata, Ryo Takahashi, Takashi Hikihara (Kyoto Univ.)
Power packet is a unit of power transmission by pulsed power with information tag. In this report, assuming a system in ... [more]
ICSS 2015-03-04
09:25
Okinawa Meio Univiersity Scalar Multiplication Algorithm with Resistance for Side-channel Attacks
Keisuke Kito (JAIST), Atsuko Miyaji (JAIST/JST CREST), Ryota Takahashi (JAIST) ICSS2014-77
Elliptic curve cryptosystems require shorter key length than traditional cryptosystems. It is good that scalar multiplic... [more] ICSS2014-77
pp.85-90
ISEC, IT, WBS 2015-03-02
13:40
Fukuoka The University of Kitakyushu A Construction of Attribute-based Aggregate Signatures
Ryo Takahashi, Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya (Tohoku Univ.) IT2014-66 ISEC2014-79 WBS2014-58
Hohenberger, Sahai, Waters proposed the first identity-based aggregate signature which admits unrestricted aggregation b... [more] IT2014-66 ISEC2014-79 WBS2014-58
pp.25-32
WBS, ITS
(Joint)
2014-12-18
12:30
Kumamoto Kumamoto University [Poster Presentation] Location-based Error rate performance of Hierarchical MPPM-SIK system for indoor-visible light communications
Ryosuke Takahashi, Yusuke Kozawa, Yohtaro Umeda (Tokyo Univ. of Science), Hiromasa Habuchi (Ibaraki Univ.) WBS2014-41
For broadcasting the information of positioning, visible light communication with LED lights is proposed. However,for mo... [more] WBS2014-41
pp.13-18
ICSS, ISEC, SITE, EMM, IPSJ-CSEC, IPSJ-SPT [detail] 2014-07-03
14:40
Hokkaido San-Refure Hakodate A New Precomputation Method with Perfect Conjugate-Addition Sequence
Ryota Takahashi, Atsuko Miyaji (JAIST) ISEC2014-20 SITE2014-15 ICSS2014-24 EMM2014-20
In elliptic curve cryptosystems, a scalar multiplication is the dominant computation.
For speeding up elliptic curve c... [more]
ISEC2014-20 SITE2014-15 ICSS2014-24 EMM2014-20
pp.97-104
AP 2014-05-30
13:35
Okinawa Okinawa Industory Support Center Method to Reduce Complexity of MLD in Massive and Passive MIMO using Beam-forming at Receiver
Ryota Takahashi, Keisuke Terasaki (Iwate Univ.), Kentaro Murata (NDA), Naoki Honma, Yoshitaka Tsunekawa (Iwate Univ.) AP2014-35
In this report , we show the method to reduce complexity of demodulation in passive Multiple-Input Multiple-Output (MIMO... [more] AP2014-35
pp.85-90
EE 2014-01-23
16:35
Miyazaki MIYAZAKI KANKO HOTEL An Experimental Study on Power Packet Dispatching Network for Multipath Routing
Naoaki Fujii, Ryo Takahashi, Takuya Kajiyama, Takashi Hikihara (Kyoto Univ.) EE2013-38
Recently, a power packet dispatching system was proposed as one of the new power distribution systems, which realizes to... [more] EE2013-38
pp.43-48
LQE, OCS, OPE 2013-10-24
17:20
Fukuoka   Wavelength-Routed Switching for 25-Gbit/s Optical Packets Using a Parallel-Ring-Resonator Tunable Laser Integrated with an InGaAlAs EAM
Toru Segawa, Wataru Kobayashi, Tatsushi Nakahara, Ryo Takahashi (NTT) OCS2013-62 OPE2013-108 LQE2013-78
The explosive growth of optical communications networks has led to a demand for large-capacity and low-power nodes with ... [more] OCS2013-62 OPE2013-108 LQE2013-78
pp.67-70
CAS, NLP 2013-09-27
09:50
Gifu Satellite Campus, Gifu University A Method of Clock Synchronization for Power Packet Dispatching -- Parameters Optimization in Clock Synchronization --
Yanzi Zhou, Ryo Takahashi, Takashi Hikihara (Kyoto Univ.) CAS2013-46 NLP2013-58
This paper proposes a method of clock synchronization for power packet dispatching. In a power packet dispatching system... [more] CAS2013-46 NLP2013-58
pp.57-62
RCS, SAT
(Joint)
2013-08-29
14:40
Nagano Shinshu Univ. A field trial towards possible implementation of onboard-vessel mobile base station for disaster recovery
Naoki Fuke, Norio Takahashi, Kazuhiro Ikeno, Akira Endou, Ryo Takahashi, Yasuhiro Terao, Shinji Yamasaki (KDDI) SAT2013-24
In the aftermath of the Great East Japan Earthquake, a huge number of mobile base stations were widely damaged, resultin... [more] SAT2013-24
pp.17-22
EE, IEE-SPC 2012-07-31
09:00
Nara   An Experimental Study on Pulse Shape and Cable Characteristics for Power Packet Transmission
Takuya Kajiyama, Takafumi Okuda, Ryo Takahashi, Takashi Hikihara (Kyoto Univ.) EE2012-9
Power packet transmission system is a new power distribution system. This system is based on a concept of packet communi... [more] EE2012-9
pp.45-49
EE, IEE-SPC 2012-07-31
09:25
Nara   Power Packetization for 2-power-source x 2-load Connection
Ryo Takahashi, Shun-ichi Azuma, Keiji Tashiro, Takashi Hikihara (Kyoto Univ.) EE2012-10
 [more] EE2012-10
pp.51-56
EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] 2012-01-26
13:55
Osaka Osaka Univ. Convention Center [Invited Talk] Future Flexible OPS Networking Demonstrations using Hybrid Optoelectronic Router
Toru Segawa, Tatsushi Nakahara, Yasumasa Suzaki, Hiroshi Ishikawa, Ibrahim Salah, Ryo Takahashi (NTT) PN2011-38 OPE2011-154 LQE2011-140 EST2011-88 MWP2011-56
With the explosive growth of data traffic in communication networks due to the Internet and its related services, the ex... [more] PN2011-38 OPE2011-154 LQE2011-140 EST2011-88 MWP2011-56
pp.27-30
OPE, OME 2011-11-18
15:50
Tokyo Kikai-Shinko-Kaikan Bldg. Formation of twisted nematic structure and liquid crystalline grating cells by means of photo-alignment technique using photocrosslinkable polymer liquid crystals
Mitsuru Kuzuwata, Ryo Takahashi (Nagaoka Univ. of Tech.), Tomoyuki Sasaki (Gunma Univ.), Nobuhiro Kawatsuki (Univ. of Hyogo), Hiroshi Ono (Nagaoka Univ. of Tech.) OME2011-64 OPE2011-139
Photocorsslinkable polymer liquid crystals (PCLC) exhibit thermally stable photo-orientation by exposing them under the ... [more] OME2011-64 OPE2011-139
pp.37-42
ISEC, IPSJ-CSEC, SITE, ICSS, EMM, IPSJ-SPT [detail] 2011-07-13
13:50
Shizuoka Shizuoka University Memory saving implementation of Cyclic Vector Multiplication Algorithm
Ryosuke Takahashi, Kenta Nekado, Yusuke Takai, Yasuyuki Nogami, Hiroto Kagotani (Okayama Univ.), Takashi Narita (TEL) ISEC2011-25 SITE2011-22 ICSS2011-30 EMM2011-24
The authors have proposed a cyclic vector multiplication algorithm abbreviated as CVMA
that is flexible to the paramet... [more]
ISEC2011-25 SITE2011-22 ICSS2011-30 EMM2011-24
pp.145-150
CS, SIP, CAS 2011-03-04
10:00
Okinawa Ohhamanobumoto memorial hall (Ishigaki)( A Signal Detection Scheme using Log Likelihood Ratio in MIMO-OFDM-SDM System
Ryota Takahashi, Fumio Takahata (Waseda Univ.) CAS2010-145 SIP2010-161 CS2010-115
A MIMO-OFDM-SDM system, which provides good transmission quality irrespective of various conditions of propagation chann... [more] CAS2010-145 SIP2010-161 CS2010-115
pp.251-256
IN, NS
(Joint)
2011-03-03
10:50
Okinawa Okinawa Convention Center A Load Balancing Method with Detour Setting Algorithm in VP-OBS Networks
Ryosuke Takahashi, Yuki Takeda (Kansai Univ.), Young Bok Choi (Tongmyong Univ.), Hiromi Okada (Kansai Univ.) IN2010-150
The resource of backbone networks is insufficient because of increasing of the internet traffic. We focus on VP-OBS (Vir... [more] IN2010-150
pp.37-42
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