Kohichi Kamijoh  Kohichi Kamijoh photo       

contact information

Research Staff Member
Tokyo Research Laboratory, Tokyo, Japan
  +81dash3dash3808dash5387

links



2012

Anonymity-Aware Face-to-Face Mobile Payment
K.Kamijo, T.Aihara, M.Murase
Mobile and Ubiquitous Systems: Computing, Networking, and Services Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, pp. 198--209 , 2012


2009

Invisible Barcode Extraction using Color Channel Estimation
Yutaro Takayanagi, Koichi Kamijo, Jiro Katto
IEICE MVE, pp. 31--36, 2009

An Invisible Hyperlink Marker
K.Kamijo, M.Minami, H.Morikawa
IEEE / ICSPCS, pp. 1--10, 2009

A Hyperlink Invisible Marker
Koichi Kamijo, Masateru Minami, Hiroyuki Morikawa
IEICE Journal J92-D(8), 1425--1439, 2009

A Printing Support System for Invisible Barcode Technology
Koichi Kamijo, Gang Zhang, Noboru Kamijo, Masateru Minami, Hiroyuki Morikawa
IPSJ Journal 50(11), 2607--2617, 2009


2008

A Printing Support System for Invisible Barcode Technology
Koichi Kamijo, Gang Zhang, Noboru Kamijo
IPSJ DICOMO, 2008

Invisible barcode with optimized error correction
K.Kamijo, N.Kamijo, G.Zhang
IEEE ICIP, pp. 2036--2039, 2008


2007

An Off-line Contents Protection System
K.Kamijo, M.Sakamoto, Y.Niimura, S.Furuichi
IPSJ DICOMO, 2007

Invisible Barcode Technology and its Applications (Invited)
K.Kamijo, N.Kamijo
Optics & Photonics Japan, 2007


2006

Electronic Scrap System
K.Kamijo, N.Kamijo, M.Sakamoto
IPSJ Journal 47(7), 2168--2181, 2006

Electronic clipping system with invisible barcodes
K. Kamijo, N. Kamijo, M. Sakamoto
Proceedings of the 14th annual ACM international conference on Multimedia, pp. 753--762, 2006


2005

Electronic Scrap System(Ubiquitous System,Multimedia, Distributed, Cooperative and Mobile)
K.Kamijo, N.Kamijo, M.Sakamoto
IPSJ DICOMO, 2005

Basics of Security on AV Media (in Japanese)
Norishige Morimoto, Koichi Kamijo
The Journal of The Institute of Image Information and Television Engineers 59(3 ), 377-382 , 2005

An implementation of the feldkamp algorithm for medical imaging on cell
M. Sakamoto, H. Nishiyama, H. Satoh, S. Shimizu, T. Sanuki, K. Kamijoh, A. Watanabe, A. Asahara
IBM White Paper. Somers, NY: IBM, 2005


2004

An Illegal Contents Detection System that utilizes Playback Log
A.Sato, K.Kamijo
IPSJ DICOMO, 2004

Broadcast Encryption that Re-arrange the Binary Tree
K.Kamijo
IPSJ DICOMO, 2004


2003

Binary Image Watermarking that Extends the Method of Multi-Level Image
K.Kamijo
IPSJ CSS, pp. 677--682, 2003


2002

An Watermark Embedding Method which Takes Post-Processing into Consideration
K.Kamijo
IPSJ CSEC, pp. 31--36, 2002

M-97 Watermarking applied system using Data Hiding technology
S.Tonegawa, K.Kamijo
IPSJ / FIT, 2002


2001

A Method to Improve the Robustness of Video Watermarking
K.Kamijo
IEICE ISEC, pp. 7--14, 2001

A Watermarking Technique Robust Against Video Post-Processing Operations
K.Kamijo
IEEE ICICS, 2001

[C] Framework of Trustworthy Digital Photo Management System
N Morimoto, K Kamijoh, A Koide
SOCIETY FOR IMAGING, 2001



2000

A Method to Protect and Detect Alterations of Digital Photographs in Insurance Claim Process(II)
K.Kamijo, S.Tonegawa, K.Toyokawa, N.Morimoto, A.Koide
IEICE Telecommunication Management, pp. 55--60, 2000

Secure digital photograph handling with watermarking technique in insurance claim process
K.Toyokawa, N.Morimoto, S.Tonegawa, K.Kamijo, A.Koide
Proc. SPIE 3971, Security and Watermarking of Multimedia Contents II, 438 (May 9, 2000); doi:10.1117/12.384998


1999

A Method to Protect and Detect Alterations of Digital Photographs in Insurance Claim Process
K.Toyokawa, N.Morimoto, S.Tonegawa, K.Kamijo, A.Koide
The Institute of Image Information and Television Engneerings, pp. 1--8, 1999





Technical Areas