文章基本信息

标题：ディザ画像への計算機ホログラムの埋込み
本地全文：下载
作者：田中賢一
期刊名称：映像情報メディア学会誌
印刷版ISSN：1342-6907
电子版ISSN：1881-6908
出版年度：2006
卷号：60
期号：9
页码：1459-1472
DOI：10.3169/itej.60.1459
出版社：The Institute of Image Information and Television Engineers
摘要：We have developed a method of encryption using computer-generated holograms (CGH) embedded in dithered image. First, the confidential information is converted into a CGH. Next, the CGH data undergoes two separate dithering processes in parallel: one corresponding to CGH white pixels and one corresponding to CGH black pixels. The results from both processes are used to form a dither matrix for creationg th final ditherd and encoded image. In this way, the confidential information can be embedded into the image. The confidentioal information can be extracted using a technique similar to CGH optical reconstruction.
关键词：計算機ホログラム;ディザ法;2値画像;電子透かし;データハイディング