淡江大學機構典藏:Item 987654321/100889
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    题名: A technique for sharing a digital image
    其它题名: 一種數位影像分享技術
    作者: Wei, Shih-Chieh;Hou, Young-Chang;Lu, Yen-Chun
    贡献者: 淡江大學資訊管理學系
    关键词: Visual cryptography;Secret image sharing;Color image;Information hiding
    日期: 2015-06-01
    上传时间: 2015-03-17
    出版者: Elsevier BV * North-Holland
    摘要: A new information hiding scheme for color images based on the concept of visual cryptography and the Boolean exclusive-or (XOR) operation is proposed. Three different schemes with noise-like, meaningful and binary shares are presented. Meaningful shares may reduce suspicion that something is concealed there. Binary shares can achieve both the benefits of smaller share size and good visual quality. Our model can be easily extended from 256 colors to 65,536 or true color images simply by expanding the block size from 3 × 3 to 4 × 4 or 5 × 5, respectively.
    關聯: Computer Standards & Interfaces 40, pp.53-61
    DOI: 10.1016/j.csi.2015.01.002
    显示于类别:[資訊管理學系暨研究所] 期刊論文

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