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    題名: A Technique for Sharing a True Color Image
    作者: 侯永昌;Hou, Young-chang;Lu, Yen-chun
    貢獻者: 淡江大學資訊管理學系
    關鍵詞: Visual cryptography;Secret image sharing;color image;Information hiding
    日期: 2012-05
    上傳時間: 2012-05-21 19:21:40 (UTC+8)
    出版者: Khon Kaen University
    摘要: For developing a safety network transmission environment, there are many cryptography methods that can be used to protect the intellectual property rights and the secret data, but the time complexity of encryption and decryption processes are very long. And the encrypted message becomes noise-like data that is easy to be suspected. For solving these disadvantages, we use data hiding techniques, and hide a secret image into two meaningful images. Meaningful shares may make people not to suspect that some secret data are existed in these shares. Hence it will create a safe secret communication channel. In this paper, we present a scheme which can be used to share a true color secret image into two meaningful cover images. We utilize random number generator and XOR operation to make cover images look innocent and do not show any clue about the secret image. Because of the usage of the random number and secret key, even if one share has been stolen by unauthorized persons, it is still hard to be decrypted to reveal the secret image.
    關聯: Proceedings of the 4th KKU International Engineering Conference 2012 (KKU-IENC 2012), pp.813-817, Thailand
    顯示於類別:[資訊管理學系暨研究所] 會議論文

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