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    A Detailed Study of the Generatiom of Optically Detectable Watermarks using the Logistic Map

    Mooney, Aidan and Keating, John and Heffernan, Daniel (2006) A Detailed Study of the Generatiom of Optically Detectable Watermarks using the Logistic Map. Chaos, Solitons and Fractals, 30.

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    A digital watwemark is a visible, or preferably invisible, identification code that is permanently embedded in digital media, to prove owner authentication and provide protection for documents. Given the interest in watermark generation using chaotic functions a detailed study of one chaotic function for this purpose is performed. In this paper, we present an approach for the generation of watermarks using the logistic map. Using this function, in conjunction with seed management, it is possible to generate chaotic sequences that may be used to create highpass digital watermarks. In this paper we provide a detailed study on the generation of optically detectable watermarks and we provide some guidelines on successful chaotic watermark generation using the logistic map, and show using a recently published scheme, how care must be taken in the selection of the function seed.

    Item Type: Article
    Keywords: Optically Detectable Watermarks; Logistic Map;
    Academic Unit: Faculty of Science and Engineering > Computer Science
    Item ID: 724
    Depositing User: Aidan Mooney
    Date Deposited: 10 Oct 2007
    Journal or Publication Title: Chaos, Solitons and Fractals
    Publisher: Elsevier
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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