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A Robust Image Watermarking Based on Image Restoration Using SIFT

Journal article published in 2011 by Haijun Luo, Xingming Sun, Hengfu Yang, Zhihua Xia ORCID
This paper is available in a repository.
This paper is available in a repository.

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Preprint: policy unknown
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Abstract

This paper introduces a novel robust watermark-ing scheme for digital images, which is robust against com-mon signal processing and geometric distortion attacks. In order to be resistant to geometric distortion attacks, the matched feature points determined by the scale-invariance feature transform (SIFT) are used for image restoration to reduce the synchronization errors caused by geometric distortion attacks. An adaptive embedding scheme is ap-plied in discrete Fourier transform (DFT) domain of each subimage. The watermark detection decision is based on the number of matched bits between the retrieved and original watermark in the embedding image blocks. Experimental results show that the proposed watermarking is robust to common signal processing attacks and geometric distortion attacks, including rotation, scaling, cropping, shearing and some combined attacks.