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Transparent robust information hiding for ownership verification

[+] Author Affiliations
Dan Yu

INRIA 2004, Route des Lucioles 06902 Sophia Antipolis Cedex France

Farook Sattar

Nanyang Technological University School of Electrical and Electronic Engineering Nanyang Avenue Singapore 639798

Sirajudeen Gulam Razul

Nanyang Technological University School of Electrical and Electronic Engineering Nanyang Avenue Singapore 639798

J. Electron. Imaging. 15(4), 043010 (October 30, 2006). doi:10.1117/1.2366514
History: Received January 04, 2006; Revised June 23, 2006; Accepted July 06, 2006; Published October 30, 2006
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For copyright protection, the robustness of a watermarking scheme against various attacks is an essential requirement. Many proposed robust watermarking schemes may achieve good robustness but at the expense of sacrificing the good quality of the watermarked image. This work, therefore, proposes a transparent robust watermarking scheme, which embeds the watermark (or the secret information) adaptively in the discrete cosine transform (DCT) domain. The proposed scheme is blind as the original image is not needed, and only an image-dependent dual key containing the watermark locations and the scaling factors is required for watermark extraction. This content adaptive replacement embedding technique can guarantee preservation of good visual quality of a watermarked image. The watermarking scheme is shown to be highly robust for a wide range of attacks, including JPEG compression, quantization, additive noise, rotation, cropping, scaling, and filtering. Compared with other existing DCT-domain watermarking methods, the proposed watermarking method can achieve higher robustness performance, while retaining better quality of the watermarked image.

© 2006 SPIE and IS&T

Citation

Dan Yu ; Farook Sattar and Sirajudeen Gulam Razul
"Transparent robust information hiding for ownership verification", J. Electron. Imaging. 15(4), 043010 (October 30, 2006). ; http://dx.doi.org/10.1117/1.2366514


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