According to the fragile watermarking theory and insecure computer network, the integrity authentication scheme of biometric image based on singular value decomposition (SVD) is proposed for remote users via insecure computer network. We make good use of singular values of singular value decomposition (SVD) of biometric image to check the integrity of biometric image. To make authentication data, the singular values are changed to the binary bits using modular arithmetic. The binary bits of authentication data are embedded into the least significant bit (LSB) of the original biometric image. The pixels to be changed are randomly selected in the original biometric image. The advantages of this scheme are that 1) we can detect any modification of watermarked biometric image; 2) the quality of watermarked biometric image is very high because only a few bits of authentication data are embedded. Experimental results show that the proposed fragile watermarking scheme can be applied to the integrity authentication systems based on biometric image.


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    Titel :

    Biometric Image Integrity Authentication Based on SVD and Fragile Watermarking


    Beteiligte:
    Wang, De-song (Autor:in) / Li, Jian-ping (Autor:in) / Wen, Xiao-yang (Autor:in)


    Erscheinungsdatum :

    01.05.2008


    Format / Umfang :

    451762 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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