Proceedings ArticleDOI
Robust Watermarking Scheme Based on Multiresolution Fractional Fourier Transform
B. Gaurav,R. Balasubramanian +1 more
- pp 1-8
TLDR
A new robust watermarking scheme is proposed in multiresolution fractional Fourier transform domain using singular value decomposition and is able to withstand a variety of attacks.Abstract:
In this paper, a new robust watermarking scheme is proposed in multiresolution fractional Fourier transform domain using singular value decomposition The watermark is embedded in the high frequency sub-band of the host image at coarsest level Although the schemes based on SVD are robust but fail under ambiguity attacks In this attack, both the owner and attacker can extract their watermark from the watermarked image To prevent ambiguity, the normalized mass matrix is formed and embedded in the host image In extraction, normalized mass matrix is extracted first and compared with original one If the similarity is found then the singular values are extracted to construct the watermark Experimental evaluation demonstrates that the proposed scheme is able to withstand a variety of attacksread more
Citations
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Journal ArticleDOI
Biometrics inspired watermarking based on a fractional dual tree complex wavelet transform
TL;DR: A novel biometrically generated keys in the embedding process of a gray-scale watermark using a newly proposed mathematical transform, namely the fractional dual tree complex wavelet transform (FrDT-CWT), and singular value decomposition (SVD) are used.
Journal ArticleDOI
A new aspect in robust digital watermarking
TL;DR: An attempt in which a new watermarking scheme is presented where the size of host image is very small when compare with watermark image and a reliable watermark extraction scheme is developed for extracting both the watermarks.
Journal ArticleDOI
Secure randomized image watermarking based on singular value decomposition
TL;DR: The proposed scheme essentially rectifies the ambiguity problem in the SVD-based watermarking and randomly upscale the size of host image using reversible random extension transform followed by the embedding of logo watermark in the wavelet frame domain.
Journal ArticleDOI
Hybrid Watermarking Algorithm using Finite Radon and Fractional Fourier Transform
TL;DR: A watermarking scheme based on finite radon transform (FRAT), fractional Fourier Transform (FRFT) and singular value decomposition is proposed, which provides additional degree of freedom in security, robustness, payload capacity and visual transparence.
Patent
Method for inserting, in the fourier domain, a digital watermark in an image and corresponding method for detecting a digital watermark in an image to be analyzed
TL;DR: In this article, a method for inserting a digital watermark in an image by an insertion device is described, where the watermark includes a set of watermarking coefficients each associated with a distinct determined position of a given quadrant among the quadrants of the Fourier domain.
References
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Proceedings ArticleDOI
Improved SVD-DWT based digital image watermarking against watermark ambiguity
Erkan Yavuz,Ziya Telatar +1 more
TL;DR: This paper proposes a technique against ambiguity in digital watermarking by embedding the singular vectors of the watermark image as a control parameter, and discusses the performance of the proposed method against some attacks.
Proceedings ArticleDOI
A Digital Watermarking Algorithm for Image Based on Fractional Fourier Transform
F.Q. Yu,Z.K. Zhang,M.H. Xu +2 more
TL;DR: A novel digital watermarking embedding and detecting algorithm is presented, which uses the chirp signal as a watermark and embeds in the fractional Fourier transform domain of the image, and the watermark position and the transform order are used as the encryption keys.
Book ChapterDOI
SVD adapted DCT domain DC subband image watermarking against watermark ambiguity
Erkan Yavuz,Ziya Telatar +1 more
TL;DR: A Discrete Cosine Transform (DCT) DC subband watermarking technique in SVD domain is proposed by embedding the singular vectors of the watermark image, too, as a control parameter and the experimental results of the proposed technique are given.
Proceedings ArticleDOI
Multiple-chirp typed blind watermarking algorithm based on fractional Fourier transform
TL;DR: Experimental results show that the watermarking algorithm using proposed techniques can have good image quality and are robust to some common image processing.
Journal ArticleDOI
Phase Watermarking Algorithm using Hybrid Multi-Polarity Hadamard Transform
TL;DR: A robust phase watermarking algorithm for still images is presented where the watermark information is conveyed in the phase spectrum in the transform domain.
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