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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 17件中 1~17件目  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIS 2019-12-12
15:15
Okayama Okayama University of Science A Reversible Data Hiding Method for Both Plain and Encrypted Images
Yusuke Izawa, Ryoichi Hirasawa, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (TMU) SIS2019-28
In this paper, we propose a reversible data hiding method, where the data embedded into the original image can be extrac... [more] SIS2019-28
pp.29-34
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
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
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 2016-03-02
14:30
Kagoshima Yakushima Environ. and Cultural Vill. Center [Poster Presentation] A Watermarking Scheme for Color Image Tamper Detection Using YIQ Color Space
Kazuma Motegi, Shoko Imaizumi, Naokazu Aoki (Chiba Univ.) EMM2015-79
 [more] EMM2015-79
pp.19-24
EMM 2016-03-02
15:40
Kagoshima Yakushima Environ. and Cultural Vill. Center [Poster Presentation] A Perceptual Encryption Scheme for Lossless Image Coding Based on Visual Difficulty
Yuya Nakao, Shoko Imaizumi, Naokazu Aoki (Chiba Univ.) EMM2015-85
We propose an extended perceptual encryption scheme for lossless image coding in this paper. The proposed method improve... [more] EMM2015-85
pp.51-56
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
SIS, IPSJ-AVM 2014-09-11
10:45
Yamagata SHONAI INDUSTRIAL PROMOTION CENTER A method of perceptual encryption and its efficient key management for JPEG/Motion JPEG images
Kenta Kurihara, Yuko Saito (Tokyo Metropolitan Univ.), Shoko Imaizumi (Chiba Univ.), Sayaka Shiota, Hitoshi Kiya (Tokyo Metropolitan Univ.) SIS2014-53
In this paper, we propose a method of perceptual encryption and its efficient key management for images presupposing JPE... [more] SIS2014-53
pp.13-18
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
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
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] 2013-07-18
13:20
Hokkaido   A Content Protection Method Using Secret Sharing and Attribute-Based Encryption
Katsuma Takimoto, Masaaki Fujiyoshi (Tokyo Metropolitan Univ.), Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.) ISEC2013-27 SITE2013-22 ICSS2013-32 EMM2013-29
 [more] ISEC2013-27 SITE2013-22 ICSS2013-32 EMM2013-29
pp.199-204
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
CS, SIP, CAS 2011-03-03
14:30
Okinawa Ohhamanobumoto memorial hall (Ishigaki)( An efficient access control method for hierarchical multimedia content
Shoko Imaizumi (IRI Niigata), Masaaki Fujiyoshi, Hitoshi Kiya (Tokyo Metropolitan Univ.) CAS2010-136 SIP2010-152 CS2010-106
This paper proposes an efficient method of access control for multimedia content. The proposed method controls access to... [more] CAS2010-136 SIP2010-152 CS2010-106
pp.203-208
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