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Future Internet 2017, 9(2), 13; doi:10.3390/fi9020013

Feature-Based Image Watermarking Algorithm Using SVD and APBT for Copyright Protection

School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, China
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Author to whom correspondence should be addressed.
Academic Editor: Luis Javier Garcia Villalba
Received: 8 March 2017 / Revised: 4 April 2017 / Accepted: 14 April 2017 / Published: 19 April 2017
(This article belongs to the Special Issue Information Systems Security)
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Abstract

Watermarking techniques can be applied in digital images to maintain the authenticity and integrity for copyright protection. In this paper, scale-invariant feature transform (SIFT) is combined with local digital watermarking and a digital watermarking algorithm based on SIFT, singular value decomposition (SVD), and all phase biorthogonal transform (APBT) is proposed. It describes the generation process of the SIFT algorithm in detail and obtains a series of scale-invariant feature points. A large amount of candidate feature points are selected to obtain the neighborhood which can be used to embed the watermark. For these selected feature points, block-based APBT is carried out on their neighborhoods. Moreover, a coefficients matrix of certain APBT coefficients is generated for SVD to embed the encrypted watermark. Experimental results demonstrate that the proposed watermarking algorithm has stronger robustness than some previous schemes. In addition, APBT-based digital watermarking algorithm has good imperceptibility and is more robust to different combinations of attacks, which can be applied for the purpose of copyright protection. View Full-Text
Keywords: image watermarking; scale-invariant feature transform (SIFT); all phase biorthogonal transform (APBT); singular value decomposition (SVD); robustness; copyright protection image watermarking; scale-invariant feature transform (SIFT); all phase biorthogonal transform (APBT); singular value decomposition (SVD); robustness; copyright protection
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, Y.; Wang, C.; Wang, X.; Wang, M. Feature-Based Image Watermarking Algorithm Using SVD and APBT for Copyright Protection. Future Internet 2017, 9, 13.

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