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Proceedings Paper

Autocorrelation-function-based watermarking with side information
Author(s): Choong-Hoon Lee; Heung-Kyu Lee; Youngho Suh
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Paper Abstract

In this paper, we propose an improved autocorrelation function (ACF) based watermarking. The autocorrelation function based watermarking has been known to be one of the effective watermarking schemes that are resilient to geometric transform attacks. In this watermarking scheme, both the peaks in the autocorrelation function of a marked image and the embedded watermark should survive after various attacks. Generally, the autocorrelation peaks are less robust than the actual watermark signal. The main focus of this paper is the improvement of the robustness of the peaks in an autocorrelation function. Since an original image and the detector structure are available at the embedding time, instead of simple addition of a watermark to an image, the watermark embedder analyzes the original image and uses this information actively during the embedding process so that the marked image has higher periodic autocorrelation peaks. The proposed watermarking scheme has higher robustness than a conventional ACF based watermarking against geometric attacks that are combined with removal attacks.

Paper Details

Date Published: 20 June 2003
PDF: 10 pages
Proc. SPIE 5020, Security and Watermarking of Multimedia Contents V, (20 June 2003); doi: 10.1117/12.476845
Show Author Affiliations
Choong-Hoon Lee, Korea Advanced Institute of Science and Technology (South Korea)
Heung-Kyu Lee, Korea Advanced Institute of Science and Technology (South Korea)
Youngho Suh, Electronics and Telecommunications Research Institute (South Korea)

Published in SPIE Proceedings Vol. 5020:
Security and Watermarking of Multimedia Contents V
Edward J. Delp III; Ping Wah Wong, Editor(s)

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