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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    Title :

    Multi-bit informed embedding watermarking with constant robustness


    Contributors:


    Publication date :

    2005-01-01


    Size :

    221565 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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