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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 18 of 18  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIP 2023-08-07
12:50
Osaka Osaka Univ. (Suita) Convention Center
(Primary: On-site, Secondary: Online)
An Extension of Image Encryption for Vision Transformer Considering Privacy Protection
Haiwei Lin, Shoko Imaizumi (Chiba Univ.), Kiya Hitoshi (Tokyo Metropolitan Univ) SIP2023-46
In this paper, we propose an extended framework of access control for Vision Transformer (ViT).
The previous study acc... [more]
SIP2023-46
pp.1-6
EMM 2023-01-26
09:30
Miyagi Tohoku Univ.
(Primary: On-site, Secondary: Online)
Influence of Data Hiding in EtC-Image Classification with Vision Transformer
Kosuke Abe, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.) EMM2022-61
A privacy-preserving image classification method with the vision transformer (ViT) was proposed in which the accuracy of... [more] EMM2022-61
pp.1-6
EMM, IT 2021-05-21
14:25
Online Online A reversible data hiding method with high flexibility in compressive encrypted images
Ryota Motomura, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.) IT2021-14 EMM2021-14
In this paper, we propose a reversible data hiding method in encrypted images, where both the com-pression efficiency an... [more] IT2021-14 EMM2021-14
pp.78-83
EMM 2021-03-05
09:30
Online Online An MSB Prediction-Based Method Using Linear Regression for Reversible Data Hiding in Encrypted Images
Kotaro Yamamura, Ryoichi Hirasawa, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.) EMM2020-75
In this paper, we propose an MSB prediction-based reversible data hiding method using linear regression in encrypted dom... [more] EMM2020-75
pp.46-51
EMM 2021-01-28
15:15
Online Online An Extension of MSB Prediction-Based Method for Reversible Data Hiding in Encrypted Images
Ryoichi Hirasawa, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.) EMM2020-65
In this paper, we propose a high capacity MSB prediction-based method with sufficient reversibility for data hiding in e... [more] EMM2020-65
pp.25-30
EMM 2020-03-05
14:25
Okinawa
(Cancelled but technical report was issued)
[Poster Presentation] Extended EtC images for flexible data hiding and extracting
Ryoichi Hirasawa, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.) EMM2019-109
This paper proposes a data hiding method for encrypted images by using an encryption-then-compression (EtC) system. Afte... [more] EMM2019-109
pp.43-48
EMM 2018-03-05
14:35
Kagoshima Naze Community Center (Amami-Shi, Kagoshima) [Poster Presentation] A Block-Permutation-Based Image Encryption Allowing Hierarchical Decryption
Yusuke Izawa, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metro. Univ.) EMM2017-77
This paper proposes a permutation-based image encryption scheme, which allows decrypting only a particular area in the e... [more] EMM2017-77
pp.1-6
SIS, IPSJ-AVM 2017-10-12
13:20
Nara Todaiji Culture Center A JPEG-Friendly Image Encryption Scheme
Ayana Kawamura, Tatsuya Chuman, Kenta Iida, Hitoshi Kiya (Tokyo Metropolitan Univ.) SIS2017-22
Conventional secure image transmission systems are based on Compression-then-Encryption systems, where image encryption ... [more] SIS2017-22
pp.7-12
EMM, IE, LOIS, IEE-CMN, ITE-ME [detail] 2017-09-04
13:00
Kyoto Kyoto Univ. (Clock Tower Centennial Hall) Image Manipulation Analysis on Social Networking Service for Encryption-then-Compression Systems
Tatsuya Chuman, Kenta Iida, Hitoshi Kiya (Tokyo Metro. Univ.) LOIS2017-13 IE2017-34 EMM2017-42
Encryption-then-Compression (EtC) systems have been proposed to securely transmit images through an untrusted channel pr... [more] LOIS2017-13 IE2017-34 EMM2017-42
pp.1-6
EMM 2017-03-06
15:40
Okinawa Miyakojima Marin Terminal Building (Okinawa) [Poster Presentation] A Permutation-Based Image Encryption Scheme with Resistance against Some Attacks and Its Key Management
Takeshi Ogasawara, Shoko Imaizumi (Chiba Univ), Hitoshi Kiya (TMU) EMM2016-91
This paper proposes a permutation-based image encryption scheme that improves resistance against brute force attacks and... [more] EMM2016-91
pp.31-36
IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] 2017-02-20
10:15
Hokkaido Hokkaido Univ. Privacy Protection in Social Networking Services based on an Encryption-then-Compression System for the JPEG Standard
Takahiro Maekawa, Kenta Kurihara, Hitoshi Kiya (Tokyo Metro.Univ.) ITS2016-43 IE2016-101
Conventional secure image transmision is based on a Compression-then-Encryption system where image compression has to be... [more] ITS2016-43 IE2016-101
pp.7-12
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
IE, CS, IPSJ-AVM, ITE-BCT [detail] 2016-12-09
15:15
Ishikawa   Extension of Jigsaw Puzzle Solvers and Its Attack on Permutation-Based Image Encryption Schemes
Tatsuya Chuman, Kenta Kurihara, Sayaka Shiota, Hitoshi Kiya (Tokyo Metro. Univ.) CS2016-63 IE2016-99
Block-based scrambled image encryption schemes have superior features that are compressible and against noises to number... [more] CS2016-63 IE2016-99
pp.115-120
EA, EMM 2016-11-17
16:40
Oita Compal Hall (Oita) An Extension of Block-Permutation-Based-Encryption Schemes for Lossless Image Compression
Takeshi Ogasawara, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (TMU) EA2016-55 EMM2016-61
This paper proposes a permutation-based image encryption scheme for lossless coded images. The conventional scheme gener... [more] EA2016-55 EMM2016-61
pp.43-48
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] 2016-07-14
14:40
Yamaguchi   Safety Evaluation for Permutation-Based Image Encryption Schemes against Jigsaw Puzzle Solvers
Tatsuya Chuman, Kenta Kurihara, Hitoshi Kiya (Tokyo Metro. Univ.) ISEC2016-17 SITE2016-11 ICSS2016-17 EMM2016-25
Block-based scrambled image encryption schemes have superior features that are compressible and against noises to number... [more] ISEC2016-17 SITE2016-11 ICSS2016-17 EMM2016-25
pp.23-28
ITS, IE, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] 2016-02-22
09:45
Hokkaido Hokkaido Univ. An Image Encryption Scheme Allowing Tone Map Operations and Its Application to JPEG XT Standard
Kenta Kurihara, Hitoshi Kiya (Tokyo Metro. Univ.) ITS2015-58 IE2015-100
Conventional secure image transmission systems are based on Compression-then-Encryption systems, where image encryption ... [more] ITS2015-58 IE2015-100
pp.11-16
IE, ITE-ME, IPSJ-AVM, ITE-CE [detail] 2015-08-03
13:00
Tokyo Tokyo Metropolitan Univ. An Image Encryption Method Allowing Lossless Compression
Kenta Kurihara, Sayaka Shiota, Hitoshi Kiya (Tokyo Metro. Univ.) IE2015-49
Conventional secure image transmission is based on a Compression-then-Encryption system where image encryption has to be... [more] IE2015-49
pp.19-24
IT, ISEC, WBS 2010-03-05
14:40
Nagano Nagano-Engineering Campus, Shinshu University An effective attack against a chaos-based image scrambling encryption
Liang Zhao, Kouichi Sakurai (Kyushu Univ.) IT2009-112 ISEC2009-120 WBS2009-91
An image encryption algorithm which makes use of chaos system for shuffling the pixel bits was proposed in [G.-D. Ye, Pa... [more] IT2009-112 ISEC2009-120 WBS2009-91
pp.269-274
 Results 1 - 18 of 18  /   
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