This paper proposes an informed spread spectrum watermarking technique for the embedding of multi-bits into images using blind detection. The new technique exploits the information available at the embedder to eliminate all the interferences from the host, patterns and perceptual masking. A statistical analysis leads to the minimum embedding strength required by each pattern to achieve a specified bit error probability for a given additive noise distortion. As a result, each message bit will present the same degree of robustness. Experimental results illustrate the performance achieved for a set of typical valumetric attacks.


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    Titel :

    Multi-bit informed embedding watermarking with constant robustness


    Beteiligte:
    Mayer, J. (Autor:in) / Bermudez, J.C.M. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    221565 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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