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A new QIM-based watermarking method robust to gain attack

Zolotavkin, Yevhen and Juhola, M 2014, A new QIM-based watermarking method robust to gain attack, International Journal of Digital Multimedia Broadcasting, vol. 2014, pp. 1-14, doi: 10.1155/2014/910808.


Title A new QIM-based watermarking method robust to gain attack
Author(s) Zolotavkin, Yevhen
Juhola, M
Journal name International Journal of Digital Multimedia Broadcasting
Volume number 2014
Start page 1
End page 14
Total pages 14
Publisher Hindawi Limited
Publication date 2014-09-11
ISSN 1687-7578
1687-7586
Summary We propose a new watermarking method based on quantization index modulation. A concept of initial data loss is introduced in order to increase capacity of the watermarking channel under high intensity additive white Gaussian noise. According to the concept some samples in predefined positions are ignored even though this produces errors in the initial stage of watermark embedding. The proposed method also exploits a new form of distribution of quantized samples where samples that interpret “0” and “1” have differently shaped probability density functions. Compared to well-known watermarking schemes, this provides an increase of capacity under noise attack and introduces a distinctive feature. Two criteria are proposed that express the feature numerically. The criteria are utilized by a procedure for estimation of a gain factor after possible gain attack. Several state-of-the-art quantization-based watermarking methods were used for comparison on a set of natural grayscale images. The superiority of the proposed method has been confirmed for different types of popular attacks.
Language en
DOI 10.1155/2014/910808
HERDC Research category C1.1 Refereed article in a scholarly journal
Free to Read? Yes

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.