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Frequency mode LR attack operator for digitally watermarked images

Frequency mode LR attack operator for digitally watermarked images

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© IEE
Published

Effective digital watermarking depends on a thorough understanding of malicious attack operators. In an experimental investigation of such operators, the authors have discovered a frequency mode Laplacian removal (FMLR) operator that can remove watermarks from a wide range of current schemes.

Inspec keywords: mathematical operators; image processing

Other keywords: image processing; digital watermarking; frequency mode Laplacian removal attack operator

Subjects: Optical information, image and video signal processing

References

    1. 1)
      • Cox, I.J., Kilian, J., Leighton, T., Shamoon, T.: `Secure spread spectrum watermarking for multimedia', 95-10, Technical Report, 1995.
    2. 2)
      • Piva, A., Barni, M., Bartolini, F., Capellini, V.: `DCT-based watermark recovering without resorting to the uncorrupted originalimage', Proc. IEEE Int. Conf. Image Processing Vol I, October 1997, p. 520–523.
    3. 3)
      • R. Barnett , D.E. Pearson . Attack operators for digitally watermarked images. IEE Proc., Vision, Image and Signal Processing
    4. 4)
      • Hsu, C.-T., Wu, J.-L.: `Hidden signatures in images', Proc. IEEE Int. Conf. Image Processing Vol III, September 1996, p. 223–226.
    5. 5)
      • Petitcolas, A.P., Anderson, R.J., Kuhn, M.G.: `Attacks on copyright marking systems', Second Workshop on Information Hiding, 1998, Portland, Oregon, USA.
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