Statistical watermark detection in the transform domain for digital images

Khelifi, Fouad, Bouridane, Ahmed and Kurugollu, Fatih (2008) Statistical watermark detection in the transform domain for digital images. In: Multimedia Forensics and Security. IGI Global, Hershey, PA, pp. 120-138. ISBN 978-1599048697

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The problem of multiplicative watermark detection in digital images can be viewed as a binary decision where the observation is the possibility that watermarked samples can be thought of as a noisy environment in which a desirable signal, called watermark, may exist. In this chapter, we investigate the optimum watermark detection from the viewpoint of decision theory. Different transform domains are considered with generalised noise models. We study the effect of the watermark strength on both the detector performance and the imperceptibility of the host image. Also, the robustness issue is addressed while considering a number of commonly used attacks.

Item Type: Book Section
Subjects: G900 Others in Mathematical and Computing Sciences
Department: Faculties > Engineering and Environment > Computer and Information Sciences
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Depositing User: EPrint Services
Date Deposited: 23 Sep 2009 08:23
Last Modified: 17 Dec 2023 12:05

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