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Bibliographic record number: 482386


Authors: Poljičak, Ante; Mandić, Lidija; Agić, Darko; Strgar Kurečić, Maja
Title: The Influence of Watermark Properties on the Quality of a Watermarked Image
Source: Proceedings of the 52nd International Symposium ELMAR-2010 / Grgić, Mislav ; Božek, Jelena ; Grgić, Sonja (ed). - Zagreb : Croatian Society Electronics in Marine , 2010. 127-130 (ISBN: 978-953-7044-11-4).
ISSN: 1334-2430
Meeting: International Symposium ELMAR
Location and date: Zadar, Hrvatska, 15.-17.09.2010.
Keywords: Watermarking; Image Quality; PSNR; Image Processing
In this paper we evaluate degradation of an image due to the implementation of a watermark in the frequency domain of the image. As a metric Peak Signal to Noise Ratio (PSNR) is used. The degradation is calculated for three different cases, the strength of the watermark implementation, the frequencies that are modified by the watermark implementation, and the length of the watermark. The watermark is embedded in magnitudes of the Fourier transform. The obtained results have shown that the quality of the watermarked image can be augmented if one takes into account radius of the watermark implementation as well as number of bits implemented.
Type of meeting: Predavanje
Type of presentation in a journal: Full-text (1500 words and more)
Type of peer-review: International peer-review
Project / theme: 128-1281957-1958, 128-1201785-2228, 036-0361630-1635
Original language: ENG
Category: Znanstveni
Research fields:
Graphic technology
Contrib. to CROSBI by: netko (, 20. Ruj. 2010. u 15:06 sati

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