Proceedings chapter
Open access

Fast robust template matching for affine resistant image watermarking

Presented at Dresden (Germany), Sep 29-oct 1
PublisherSpringer Verlag
  • Lecture Notes in Computer Science; 1768
Publication date1999

Digital watermarks have been proposed as a method for discouraging illicit copying and distribution of copyrighted material. This paper describes a method for the secure and robust copyright protection of digital images. We present an approach for embedding a digital watermark into an image using the Fourier transform. To this watermark is added a template in the Fourier transform domain to render the method robust against general linear transformations. We detail a new algorithm for the accurate and efficient recovery of the template in an image which has undergone a general affine transformation. Furthermore we demonstrate how the template can be used as a tool for asserting the presence of a watermark. We also systematically evaluate the algorithm and present results which demonstrate the robustness of the method against some common image processing operations such as compression, rotation, scaling and aspect ratio changes.

  • Watermarking
Citation (ISO format)
PEREIRA, Shelby, PUN, Thierry. Fast robust template matching for affine resistant image watermarking. In: International Workshop on Information Hiding. Dresden (Germany). [s.l.] : Springer Verlag, 1999. p. 200–210. (Lecture Notes in Computer Science)
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Proceedings chapter (Published version)
  • PID : unige:47869

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