An optical watermarking solution for authenticating printed document

• Main Authors: SUN, Q. B., FENG, P. R., DENG, Robert H.
• 格式: text
• 語言: English
• 出版: Institutional Knowledge at Singapore Management University 2001
• 主題: document authentication; integrity verification; secret share; watermarking; Information Security
• 在線閱讀: https://ink.library.smu.edu.sg/sis_research/1106; http://dx.doi.org/10.1109/ITCC.2001.918767

We present a novel and simple optical watermarking system aiming at overriding some practical problems when the state-of-the art digital watermarking techniques are applied to authenticate printed documents. We name our technique optical watermarking differing from traditional digital watermarking i...