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 Results 1 - 20 of 37  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIS, IPSJ-AVM, ITE-3DIT [detail] 2020-06-04
13:20
Online Online Two-layer lossless image coding compatible with JPEG XS
Hiroyuki Kobayashi (TMCIT), Hitoshi Kiya (TMU) SIS2020-7
 [more] SIS2020-7
pp.37-41
EMM 2018-03-06
13:00
Kagoshima Naze Community Center (Amami-Shi, Kagoshima) A Generation Scheme of Encrypted JPEG Images with Unchanged File Sizes in the Bitstream Domain
Hiroyuki Kobayashi (Tokyo Metro. College of Industrial Tech.), Hitoshi Kiya (Tokyo Metro. Univ.) EMM2017-91
 [more] EMM2017-91
pp.73-77
SIS 2016-12-08
10:40
Hiroshima Hiroshima City Univ. An Encryption-then-Compression System Allowing the Use of Arbitrary Chroma Interpolation Methods for JPEG Compression
Kenta Kurihara (Tokyo Metro. Univ), Hiroyuki Kobayashi (TMCIT), Hitoshi Kiya (Tokyo Metro. Univ) SIS2016-28
Conventional transmission systems of image contents are based on Compression-then-Encryption systems, where image encryp... [more] SIS2016-28
pp.1-6
CPSY, DC, IPSJ-ARC
(Joint) [detail]
2016-08-10
18:30
Nagano Kissei-Bunka-Hall (Matsumoto) Regularly Edge-added Torus Graphs with the Minimum Diameter and the Minimum Average Shortest Path Length
Hiroyuki Kobayashi, Noriyuki Fujimoto (Osaka Prefecture Univ.) CPSY2016-40
It is not realistic to connect all of cores in a multicore-processor each other because current multicore-processors hav... [more] CPSY2016-40
pp.287-292
MWP 2015-11-27
16:10
Tokyo Kikai-Shinko-Kaikan Bldg. Study of frequency stabilization on radio communication system using wavelength monitor.
Hiroyuki Kobayashi, Kenichi Miki, Yujiro Nakayama, Sadao Matsushima (FURUKAWA ELECTRIC) MWP2015-58
To stabilize the frequency of millimeter wave radio signal generated by beat component of two-tone light,we have to keep... [more] MWP2015-58
pp.31-34
SIS, IPSJ-AVM 2015-09-03
11:40
Osaka Kansai Univ. Secure and Robust Image Identification Based on Fuzzy Commitment Scheme for JPEG-XR Images
Kenta Iida (Tokyo Metropolitan univ.), Hiroyuki Kobayashi (Tokyo Metro. Coll. of Ind. of Tech.), Hitoshi Kiya (Tokyo Metropolitan univ.) SIS2015-17
 [more] SIS2015-17
pp.13-18
HCS 2015-03-18
09:25
Ishikawa Rurikoh (Yamashiro Onsen, Ishikawa) Evaluation of dialogue agent synchronizing speaker's greeting
Hiroyuki Kobayashi, Kenta Kinemuchi, Tomohito Yamamoto (KIT) HCS2014-124
The speech dialogue system of today is introduced into various communication systems such as a robot that has real human... [more] HCS2014-124
pp.69-74
EMM 2015-03-12
14:10
Okinawa   [Poster Presentation] A Selective Encryption Scheme for JPEG2000 Coded Images Using ROI
Yuya Nakao, Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi (Chiba Univ.) EMM2014-78
This paper proposes a selective encryption scheme for JPEG2000 coded images using the Tile-partition function. JPEG2000 ... [more] EMM2014-78
pp.7-12
EMM 2015-03-12
14:10
Okinawa   [Poster Presentation] Improvement of Multibit Information Embedding Scheme for Palette-Based Images
Kazuma Motegi, Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi (Chiba Univ.) EMM2014-79
We propose a new approach of embedding multibit information for palette-based images in this paper. The secret informati... [more] EMM2014-79
pp.13-17
EMM 2015-03-12
14:10
Okinawa   [Poster Presentation] A tamper detection scheme for JPEG2000 coded images using reversible data hiding
Takeshi Ogasawara, Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi (Chiba Univ.) EMM2014-82
This paper proposes an efficient tamper detection scheme for JPEG2000 coded images.
Marker codes that delimit a JPEG20... [more]
EMM2014-82
pp.31-36
EMM 2015-01-28
14:45
Miyagi Tohoku University Reversible data embedding method using HAM with encryption
Hikaru Takeda, Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi (Chiba Univ.) EMM2014-68
We propose a new embedding method with reversible data embedding method HAM(Histogram Association Mapping) in this paper... [more] EMM2014-68
pp.9-14
KBSE, SS, IPSJ-SE [detail] 2014-07-10
09:00
Hokkaido Furano-Bunka-Kaikan Application of Answer Set Programming to Various Forms of the Task Scheduling Problem
Hiroyuki Kobayashi, Hiroyuki Nakagawa, Hideharu Kojima, Tatsuhiro Tsuchiya (Osaka Univ.) SS2014-9 KBSE2014-12
Multi-core processor is widely used in recent CPUs. Even though it makes
an evolutional change to high performance com... [more]
SS2014-9 KBSE2014-12
pp.25-30
CAS, SIP, MSS, VLD, SIS [detail] 2014-07-10
09:50
Hokkaido Hokkaido University Near-lossless image coding considering the influence of re-encoding
Hiroyuki Kobayashi (Tokyo Metro. Coll. of Ind. of Tech.), Masahiro Iwahashi (Nagaoka Univ. of Tech.), Hitoshi Kiya (Tokyo Metro. Univ.) CAS2014-22 VLD2014-31 SIP2014-43 MSS2014-22 SIS2014-22
This report proposes a new quantization method, called zero-skip quantization and a near-lossless coding method based on... [more] CAS2014-22 VLD2014-31 SIP2014-43 MSS2014-22 SIS2014-22
pp.111-116
EMM 2014-03-07
15:00
Ishikawa JAIST [Poster Presentation] A High-Capacity Data Embedding Scheme Based on Human Vision System for Palette-Based Images
Kanichi Taniguchi, Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi (Chiba Univ.) EMM2013-100
 [more] EMM2013-100
pp.3-8
MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] 2014-01-24
09:50
Kyoto Doshisha University Effect of fiber dispersion on THz communication system using photo-mixing
Hiroyuki Kobayashi, Kenichi Miki, Toshihide Fukuchi (FURUKAWA ELECTRIC) PN2013-73 OPE2013-187 LQE2013-173 EST2013-122 MWP2013-93
We studied an effect of the fiber dispersion on THz communication system using photo-mixing. [more] PN2013-73 OPE2013-187 LQE2013-173 EST2013-122 MWP2013-93
pp.235-238
IE, EMM, LOIS, IEE-CMN, ITE-ME [detail] 2013-09-12
14:20
Kumamoto   A High-Capacity Data Embedding Scheme Using Clustering of Indexed Colors
Kanichi Taniguchi, Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi (Chiba Univ.) LOIS2013-11 IE2013-32 EMM2013-54
This paper proposes a data embedding scheme for palette-based images, which improves capacity of the embedded data. The ... [more] LOIS2013-11 IE2013-32 EMM2013-54
pp.7-12
IE, EMM, LOIS, IEE-CMN, ITE-ME [detail] 2013-09-12
14:40
Kumamoto   A Partial-Scrambling Scheme for Palette-Based Images Using Conversion of Color Map
Yuto Tobe, Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi (Chiba Univ.) LOIS2013-12 IE2013-33 EMM2013-55
This paper proposes an efficient partial-scrambling scheme for palette-based images to protect copyrights and privacy.
... [more]
LOIS2013-12 IE2013-33 EMM2013-55
pp.13-18
SDM, ICD 2013-08-02
11:15
Ishikawa Kanazawa University [Invited Talk] An LDPC Decoder with Time Domain Analog and Digital Mixed Signal Processing
Daisuke Miyashita, Ryo Yamaki (Toshiba), Kazunori Hashiyoshi (Toshiba Microelectronics), Hiroyuki Kobayashi, Shouhei Kousai, Yukihito Oowaki, Yasuo Unekawa (Toshiba) SDM2013-79 ICD2013-61
Analog computation is potentially more efficient in certain arithmetic operations since a single wire can represent mult... [more] SDM2013-79 ICD2013-61
pp.71-76
SIP, CAS, MSS, VLD 2013-07-11
11:20
Kumamoto Kumamoto Univ. A near lossless coding method based on histogram packing and quantization in the spatial domain
Hiroyuki Kobayashi (Tokyo Metro. Coll. of Ind. of Tech.), Masahiro Iwahashi (Nagaoka Univ. of Tech.), Hitoshi Kiya (Tokyo Metro. Univ.) CAS2013-8 VLD2013-18 SIP2013-38 MSS2013-8
This paper proposes a near lossless coding method based on histogram packing and quantization in the spatial domain.
B... [more]
CAS2013-8 VLD2013-18 SIP2013-38 MSS2013-8
pp.43-48
EMM, IE, LOIS, ITE-ME, IEE-CMN [detail] 2012-08-28
09:25
Yamaguchi   Improvement of Image Quality in High-Capacity Data Embedding for Palette-Based Images
Kei Ozawa, Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi (Chiba Univ.) LOIS2012-22 IE2012-54 EMM2012-45
This paper proposes a high-capacity data embedding method for palette-based images which improves image quality. Some ot... [more] LOIS2012-22 IE2012-54 EMM2012-45
pp.57-62
 Results 1 - 20 of 37  /  [Next]  
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