Koga Hiroki
- Articles
- On the Achievable Rate Region in the Optimistic Sense for Independent Coding of Two Correlated General Sources
古賀 弘樹
IEICE technical report. Information theory/111(220)/pp.49-54, 2011-09 - Performance of a Fragile Watermarking Scheme with Detectability of Tampered Locations in JPEG Images
坂下 光輝; 古賀 弘樹
IEICE technical report. Information theory/111(51)/pp.31-36, 2011-05 - Four Limits in Probability and Their Roles in Source Coding
Koga Hiroki
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES/E94A(11)/pp.2073-2082, 2011-11 - Four Limits in Probability and Coding of a General Source
古賀 弘樹
IEICE technical report. Information theory/110(363)/pp.37-42, 2011-01 - The Width of Information-Spectrum and the Worst-Case Redundancy of Fixed-Length Coding
古賀 弘樹; 有村 光晴; 岩田 賢一
IEICE technical report. Information theory/110(442)/pp.93-98, 2011-02 - A (3,3)-Threshold Scheme Secure against Ordinary and Extended Impersonation Attacks
児矢野 和也; 古賀 弘樹
IEICE technical report. Information theory/110(442)/pp.311-318, 2011-02 - Identifiability of Malicious Users of the Digital Fingerprinting Code Based on a Finite Projective Plane
藤井 雄介; 古賀 弘樹
IEICE technical report. Information theory/110(442)/pp.319-326, 2011-02 - A general method for construction of (t, n)-threshold visual secret sharing schemes for color images
Koga Hiroki; Ishihara Takeru
DESIGNS CODES AND CRYPTOGRAPHY/61(2)/pp.223-249, 2011-11 - A Digital Fingerprinting Code Based on a Projective Plane and Its Identifiability of All Malicious Users
Koga Hiroki; Minami Yusuke
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES/E94A(1)/pp.223-232, 2011-01 - New Results on Optimistic Source Coding(Information Theory)(Information Theory and Its Applications)
SATO Naoki; KOGA Hiroki
IEICE transactions on fundamentals of electronics, communications and computer sciences/87(10)/pp.2577-2580, 2004-10 - On Coding Theorems for a General Wiretap Channel
古賀 弘樹; 佐藤 直樹
IEICE technical report. Information theory/104(730)/pp.25-30, 2005-03 - Proposal of a Progressive Visual Secret Sharing Scheme
上田 悦代; 古賀 弘樹
情報理論とその応用シンポジウム予稿集 = The proceedings of the Symposium on Information Theory and Its Applications/28(2)/pp.693-696, 2005-11 - The Optimal (t, n)-Threshold Visual Secret Sharing Scheme with Perfect Reconstruction of Black Pixels
KOGA Hiroki; UEDA Etsuyo
情報理論とその応用シンポジウム予稿集 = The proceedings of the Symposium on Information Theory and Its Applications/27(2)/pp.615-618, 2005-12 - AS-3-1 Recent Topics on Information-Theoretic Analysis of Inforamtion Hiding
古賀 弘樹
Proceedings of the IEICE General Conference/2006(0)/p.27, 2006-03 - On Basic Properties for Construction of High-Rate Constrained Code
檜山 紘大; 古賀 弘樹
IEICE technical report. Information theory/105(662)/pp.189-194, 2006-03 - An Information-Spectrum Approach to Steganography
中野 功; 古賀 弘樹
IEICE technical report. Information theory/106(184)/pp.31-36, 2006-07 - AT-1-2 Coding Theorems for Wiretap Channels
古賀 弘樹
Proceedings of the Society Conference of IEICE/2006(0)/p.3, 2006-09 - A Coding Theorem for a Stegosystem with Side Information
中野 功; 古賀 弘樹
情報理論とその応用シンポジウム予稿集 = The proceedings of the Symposium on Information Theory and Its Applications/29(1)/pp.427-430, 2006-11 - An efficient encoding scheme for sequences represented by context-free grammars
小泉 直生; 古賀 弘樹
情報理論とその応用シンポジウム予稿集 = The proceedings of the Symposium on Information Theory and Its Applications/29(2)/pp.879-882, 2006-11 - Anothet Form of General Coding Theorems for Source Coding and Shannon's Cipher System
古賀 弘樹
IEICE technical report. Information theory/106(595)/pp.137-142, 2007-03 - Information-Hiding Schemes Based on the Algorithm of gzip
冨岡 慧; 古賀 弘樹
IEICE technical report. Information theory/106(595)/pp.203-208, 2007-03 - Proposal of a (2,2)-Threshold Visual Secret Sharing Scheme for Many Images
坂本 太志; 古賀 弘樹
IEICE technical report. Information theory/107(143)/pp.1-6, 2007-07 - On Some Properties of Complete Complementary Codes
金 一; 古賀 弘樹
IEICE technical report. Information theory/108(159)/pp.1-6, 2008-07 - AK-1-4 Developments of Information-Spectrum Methods in Communication Systems with Information-Theoretic Security
古賀 弘樹
Proceedings of the Society Conference of IEICE/2008(0)/p.7, 2008-09 - A Unified Approach to Construction of the Complete Complementary Codes Using Sets of Orthogonal Vectors
金 一; 古賀 弘樹; 末廣 直樹
The Transactions of the Institute of Electronics, Information and Communication Engineers. A/92(2)/pp.105-114, 2009-02 - more...
- On the Achievable Rate Region in the Optimistic Sense for Independent Coding of Two Correlated General Sources