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Proceedings Paper

Digital watermarking scheme for extremely high-resolution printing images
Author(s): Yuji Honjo; Kiyoshi Tanaka
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Paper Abstract

In this work, we propose a new digital watermarking scheme for extremely high-resolution printing images applicable to On-Demand Publishing (ODP) system. We designed our scheme by considering the following requirements: (i) high image quality, (ii) high security, and (iii) watermark immunity (robustness). In order to attain these requirements we employ the idea of Spread Spectrum (SS) watermarking technique in our scheme and modify it to be applicable to color (CMYK) binary printing images. Simulation results verified that we could embed a watermark spreading over the entire output image as a weak energy and still keep high image quality. Also the watermark could be robustly decoded by controlling some parameters even after some possible attacks by a third party.

Paper Details

Date Published: 29 April 2002
PDF: 8 pages
Proc. SPIE 4675, Security and Watermarking of Multimedia Contents IV, (29 April 2002); doi: 10.1117/12.465268
Show Author Affiliations
Yuji Honjo, Shinshu Univ. (Japan)
Kiyoshi Tanaka, Shinshu Univ. (Japan)


Published in SPIE Proceedings Vol. 4675:
Security and Watermarking of Multimedia Contents IV
Edward J. Delp; Ping Wah Wong, Editor(s)

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