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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 25  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMM, IT 2021-05-21
14:00
Online Online An MSB Prediction-Based Method with Less Prediction Errors for Reversible Data Hiding in Encrypted Images
Kotaro Yamamura, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.)
(To be available after the conference date) [more]
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.)
(To be available after the conference date) [more]
EMM 2021-03-04
13:30
Online Online [Poster Presentation] Object Boundary Correction for Monocular Depth Estimation Using Region Segmentation
Ikuma Yasukawa, Shoko Imaizumi (Chiba Univ.) EMM2020-67
We propose a new method to generate high-quality depth images in this paper. The proposed method corrects object boundar... [more] EMM2020-67
pp.1-6
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 2021-03-05
09:55
Online Online A Reversible Image Processing Method for Saturation and Contrast Enhancement
Yuki Sugimoto, Shoko Imaizumi (Chiba Univ.) EMM2020-76
In this paper, we propose an image processing method for color images to enhance both saturation and contrast with rever... [more] EMM2020-76
pp.52-57
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] A Reversible Data Hiding Method for Stereoscopic Images with 2D/3D Viewing
Ikuma Yasukawa, Shoko Imaizumi (Chiba Univ.) EMM2019-107
This paper proposes a 2D/3D viewing method with a single image.
In the proposed method, the information to recover the ... [more]
EMM2019-107
pp.31-36
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
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
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