Watermark detectors based on n/sup th/ order statistics

Furon, T.;Silvestre, G.;Hurley, N.J.
(2002) Applications of Digital Image Processing XXV — Location: Seattle, WA, USA (8.July.2002)

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  • Furon, T.
    Author
  • Silvestre, G.
    Author
  • Hurley, N.J.
    Author
Abstract
This paper deals with some detection issues of watermark signals. We propose an easy way to implement an informed watermarking embedder whatever the detection function. This method shows that a linear detection function is not suitable for side information. This is the reason why we build a family of non-linear functions based on n/sup th /-order statistics. Used with a side-informed embedder, its performance is much better than the classical direct sequence spread spectrum method.
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Furon, T., Silvestre, G., & Hurley, N. J. (2002). Watermark detectors based on n/sup th/ order statistics. SPIE - the International Society for Optical Engineering. Proceedings, Vol. 4790, p. 180-188.