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Proceedings Paper

Watermark template attack
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Paper Abstract

This paper presents a new attack, called the watermark template attach, for watermarked images. In contrast to the Stirmark benchmark, this attack does not severely reduce the quality of the image. This attack maintains, therefore, the commercial value of the watermarked image. In contrast to previous approaches, it is not the aim of the attack to change the statistics of embedded watermarks fooling the detection process but to utilize specific concepts that have been recently developed for more robust watermarking schemes. The attack estimates the corresponding template points in the FFT domain and then removes them using local interpolation. We demonstrate the effectiveness of the attack showing different test cases that have been watermarked with commercial available watermark products. The approach presented is not limited to the FFT domain. Other transformation domains may be also exploited by very similar variants of the described attack.

Paper Details

Date Published: 1 August 2001
PDF: 12 pages
Proc. SPIE 4314, Security and Watermarking of Multimedia Contents III, (1 August 2001); doi: 10.1117/12.435423
Show Author Affiliations
Alexander Herrigel, Digital Copyright Technologies (Germany)
Sviatoslav V. Voloshynovskiy, Univ. of Geneva and Digital Copyright Technologies (Switzerland)
Yuri B. Rytsar, Digital Copyright Technologies (Switzerland)

Published in SPIE Proceedings Vol. 4314:
Security and Watermarking of Multimedia Contents III
Ping Wah Wong; Edward J. Delp III, Editor(s)

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