Digital watermarking by using orthogonal line screens

Yu Lan Chiu, Hsi Chun Wang, Yi Ting Tsai

研究成果: 書貢獻/報告類型會議論文篇章

摘要

With the rapid growth of information technology, more and more sophisticated machines for image duplication have been created to enable image reproduction in an efficient and convenient way. However, it raises a serious threat on intellectual property rights. The purpose of this study is to compose watermarks with orthogonal lines in an effort to protect copyright and to ensure anti-counterfeiting protection. To design the orthogonal line screen watermarks, vertical and horizontal threshold matrix are processed by digital halftoning and the effect of encryption and decryption on the printout of the anticounterfeiting watermarks was evaluated. The results showed that conducting orthogonal lines to encrypt messages in documents can be successfully carried out. This technique is also applied to encrypt answers of the problem sets in text books.

原文英語
主出版物標題Applied System Innovation - Proceedings of the International Conference on Applied System Innovation, ICASI 2015
編輯Teen-Hang Meen, Stephen D. Prior, Artde Donald Kin-Tak Lam
發行者CRC Press/Balkema
頁面217-220
頁數4
ISBN(列印)9781138028937
DOIs
出版狀態已發佈 - 2016
事件International Conference on Applied System Innovation, ICASI 2015 - Osaka, 日本
持續時間: 2015 五月 222015 五月 27

出版系列

名字Applied System Innovation - Proceedings of the International Conference on Applied System Innovation, ICASI 2015

其他

其他International Conference on Applied System Innovation, ICASI 2015
國家/地區日本
城市Osaka
期間2015/05/222015/05/27

ASJC Scopus subject areas

  • 商業、管理和會計(雜項)
  • 電腦網路與通信
  • 電腦科學應用
  • 控制和優化
  • 控制與系統工程
  • 社會科學(雜項)
  • 電氣與電子工程

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