@article{oai:u-ryukyu.repo.nii.ac.jp:02004043,
 author = {屋良, 朝心 and 山城, 毅 and Yara, Choshin and Yamashiro, Tsuyoshi},
 issue = {69},
 journal = {琉球大学工学部紀要},
 month = {May},
 note = {Digital Watermarking is a technique to protect digital contents that are image, music, document etc. In general copyright informations are embedded in contents as binary data. If it is possible to embed color image like author's face, authors will enable to claim strongly for illegality and ownership of digital contents. To realize this method we tried to process by Discrete Wavelet Transform., 紀要論文},
 pages = {77--84},
 title = {Wavelet変換を用いたカラー画像電子透かし},
 year = {2008}
}