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Dive into the research topics where Yoichi Takashima is active.

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Featured researches published by Yoichi Takashima.


Archive | 1998

Method for embedding and reading watermark-information in digital form, and apparatus thereof

Takao Nakamura; Hiroshi Ogawa; Yoichi Takashima


Archive | 2000

Embedding method and extracting method for information using digital watermark

Shinsuke Honjo; Takao Nakamura; Hiroshi Ogawa; Mutsuo Sano; Ryoichi Sasaki; Yoichi Takashima; Yutaka Yoshiura; 高雄 中村; 良一 佐々木; 睦夫 佐野; 裕 吉浦; 宏 小川; 信輔 本城; 洋一 高嶋


Archive | 2002

Multiple digital watermarking method, multiple digital watermarking apparatus, and multiple digital watermarking program and storage medium with the program recorded thereon

Kazuya Kadogoe; Takao Nakamura; Yoichi Takashima; Tomohiro Yamada; 高雄 中村; 智広 山田; 和也 角越; 洋一 高嶋


Archive | 1998

Information multiplexing method and method and device for extracting information

Takao Nakamura; Hiroshi Ogawa; Yoichi Takashima; Atsuki Tomioka; 高雄 中村; 淳樹 富岡; 宏 小川; 洋一 高嶋


Archive | 1998

Method of embedding watermark-information into digital data

Takao Nakamura; Hiroshi Ogawa; Yoichi Takashima


Archive | 1997

Electronic watermark generating method and reading method therefor

Naoki Iwagami; Takehiro Moriya; Yoichi Takashima; 健弘 守谷; 直樹 岩上; 洋一 高嶋


Archive | 1996

Copyright protection method and its system

Takao Nakamura; Hiroshi Ogawa; Yoichi Takashima; 高雄 中村; 宏 小川; 洋一 高嶋


Archive | 2000

Method and device for dynamic password authentication and recording medium with the method recorded thereon

Tsutomu Horioka; Mutsuo Sano; Katsumi Sekiguchi; Noboru Sonehara; Osamu Takahashi; Tatsuo Takahashi; Yoichi Takashima; Koji Tsurumaki; 睦夫 佐野; 力 堀岡; 曽根原 登; 克己 関口; 洋一 高嶋; 修 高橋; 竜男 高橋; 宏治 鶴巻


Archive | 2001

Method, apparatus and program for embedding sub- information in computer program, storage medium having the same program stored thereon, and method, apparatus and program for reading sub-information from computer program, and storage medium having the same program stored thereon

Kazuya Kadogoe; Takao Nakamura; Tadashi Nakanishi; Hiroshi Ogawa; Masashi Sakamoto; Yoichi Takashima; 高雄 中村; 正 仲西; 昌史 坂本; 宏 小川; 和也 角越; 洋一 高嶋


Archive | 1997

METHOD FOR MULTIPLEXING AND EXTRACTING INFORMATION AND DEVICE THEREFOR

Takao Nakamura; Hiroshi Ogawa; Yoichi Takashima; 高雄 中村; 宏 小川; 洋一 高嶋

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Mutsuo Sano

Osaka Institute of Technology

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Noboru Sonehara

Nippon Telegraph and Telephone

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Osamu Takahashi

Future University Hakodate

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Tadashi Nakanishi

Graduate University for Advanced Studies

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