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 Results 1 - 12 of 12  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
IE, ITE-ME, IPSJ-AVM, ITE-CE [detail] 2015-08-03
10:55
Tokyo Tokyo Metropolitan Univ. A study of random unitary matrices for secure biometric authentication
Yuko Saito, Ibuki Nakamura, Sayaka Shiota (Tokyo Metro.Univ), Yoshihide Tonomura (NTT), Hitoshi Kiya (Tokyo Metro.Univ) IE2015-47
Random unitary transformation-based template protection methods have
been proposed as one of biometric template protec... [more]
IE2015-47
pp.7-12
SIS 2015-06-09
11:10
Nagasaki Arkas SASEBO A design method of irregular flat XOR codes reducing repair bandwidth in distributed storage systems
Yui Yoshida, Yoshihide Tonomura, Takayuki Nakachi, Daisuke Shirai, Tatsuya Fujii (NTT) SIS2015-12
To ensure the reliability of distributed storage systems, multi-disk fault tolerant erasure codes have been studied. A f... [more] SIS2015-12
pp.63-68
EMM, IT 2015-05-21
14:30
Kyoto Kyoto International Community House Generating Protected Eigenface Templates Using an Unitary Transformaion
Ibuki Nakamura (Tokyo Metropolitan Univ.), Yoshihide Tonomura (NTT), Hitoshi Kiya (Tokyo Metropolitan Univ.) IT2015-7 EMM2015-7
This paper considers a template protection scheme based on an unitary transformation, where the template consists of the... [more] IT2015-7 EMM2015-7
pp.35-40
EMM 2015-03-12
14:10
Okinawa   [Poster Presentation] An extension of the unitary transformation-based template protection method for biometrics and its application
Yuko Saito, Ibuki Nakamura, Sayaka Shiota (Tokyo Metro. Univ.), Yoshihide Tonomura (NTT), Hitoshi Kiya (Tokyo Metro. Univ.) EMM2014-81
Since biometric features are personal and irrevocable data, some schemes to protect the features (templates) extracted f... [more] EMM2014-81
pp.25-30
SIS, IPSJ-AVM 2014-09-11
10:25
Yamagata SHONAI INDUSTRIAL PROMOTION CENTER A Generation Scheme of Protected Templates Based on Orthogonal Transforms for Biometrics
Ibuki Nakamura, Takashi Kurakami (Tokyo Metropolitan Univ.), Yoshihide Tonomura (NTT), Hitoshi Kiya (Tokyo Metropolitan Univ.) SIS2014-52
Since biometric features are personal and irrevocable data, some schemes which protect the features (templates) extracte... [more] SIS2014-52
pp.7-12
ITS, IE, ITE-AIT, ITE-HI, ITE-ME [detail] 2014-02-17
13:50
Hokkaido Hokkaido Univ. A generation scheme of protected templates for sparse representation-based face recognition
Masakazu Furukawa, Yuichi Muraki, Masaaki Fujiyoshi (Tokyo Metro. Univ.), Yoshihide Tonomura (NTT), Hitoshi Kiya (Tokyo Metro. Univ.) ITS2013-42 IE2013-107
 [more] ITS2013-42 IE2013-107
pp.73-78
CS 2013-07-04
09:50
Okinawa Fukugogata-Kokyo-Shisetsu (Yonaguni Island) A Study on Using MPEG Media Transport for Network Supported Collaborative Work
Takayuki Nakachi, Yoshihide Tonomura, Tatsuya Fujii (NTT) CS2013-10
NTT network innovation laboratories have developed 4K quality video coding/transmission technologies and these applicati... [more] CS2013-10
pp.15-20
SIP, CAS, CS 2010-03-02
13:45
Okinawa Hotel Breeze Bay Marina, Miyakojima [Poster Presentation] Bit Allocation Method for Independently Encoded JPEG2000 Colour Components
Ian Stadler (University of Victoria), Yoshihide Tonomura, Tatsuya Fujii (NTT) CAS2009-134 SIP2009-179 CS2009-129
This paper proposes a method for assigning portions of the total desired bit-rate in with the intention of acheiving the... [more] CAS2009-134 SIP2009-179 CS2009-129
pp.265-266
SIP, RCS 2009-01-23
14:35
Kumamoto Kumamoto University Layered Multicast Encryption of Motion JPEG2000 Codestreames for Layered Multicast Transmission
Takayuki Nakachi, Kan Toyoshima, Yoshihide Tonomura, Tatsuya Fujii (NTT) SIP2008-163 RCS2008-211
 [more] SIP2008-163 RCS2008-211
pp.231-236
IT 2008-09-12
09:30
Okinawa Culture Resort Festone (Okinawa) Improving Rate-Adaptive LDPC Coding Performance Based on Syndrome Rate Estimation for Distributed Video Coding
Yoshihide Tonomura, Takayuki Nakachi, Tatsuya Fujii (NTT), Hitoshi Kiya (Tokyo Metropolitan Univ.) IT2008-31
Distributed Video Coding (DVC), based on the multiuser information theorems proposed by Slepian-Wolf and Wyner-Ziv, is a... [more] IT2008-31
pp.67-72
SIS 2008-06-13
13:40
Hokkaido   A Study on Intra/Inter Frame Mode Decision Scheme in Wavelet Domain Distributed Video Coding
Takayuki Nakachi, Yoshihide Tonomura, Tatsuya Fujii (NTT) SIS2008-22
Distributed video coding (DVC) is a new video coding paradigm based on
the Slepian-Wolf and Wyner-Ziv theorems. It enc... [more]
SIS2008-22
pp.45-50
CS 2007-10-05
09:25
Hokkaido Tokachigawa, Hokkaido A Study on the Parallelized Encoding of LDGM for the Robust Streamings of Super High Definition Videos
Masahiko Kitamura, Daisuke Shirai, Yoshihide Tonomura, Tatsuya Fujii (NTT) CS2007-28
This paper describes methods of the parallerised LDGM(low density generator matrix) coding for the streaming of super hi... [more] CS2007-28
pp.37-42
 Results 1 - 12 of 12  /   
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