A Robust Image Watermarking Scheme Based on BWT and ICA

The screen-cam process, which is taking pictures of the content displayed on a screen with mobile phones or cameras, is one of the main ways that image information is leaked. However, traditional image watermarking methods are not resilient to screen-cam processes with severe distortion. In this paper, a screen-cam robust watermarking scheme with a feature-based synchronization method is proposed. First, the distortions caused by the screen-cam process are investigated. These distortions can be summarized into the five categories of linear distortion, gamma tweaking, geometric distortion, noise attack, and low-pass filtering attack. Then, a local square feature region (LSFR) construction method based on a Gaussian function, modified Harris–Laplace detector, and speeded-up robust feature (SURF) orientation descriptor is developed for watermark synchronization. Next, the message is repeatedly embedded in each selected LSFR by an improved embedding algorithm, which employs a non-rotating embedding method and a preprocessing method, to modulate the discrete Fourier transform (DFT) coefficients. In the process of watermark detection, we fully utilize the captured information and extract the message based on a local statistical feature. Finally, the experimental results are presented to illustrate the effectiveness of the method against common attacks and screen-cam attacks. Compared to the previous schemes, our scheme has not only good robustness against screen-cam attack, but is also effective against screen-cam with additional common desynchronization attacks.

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Robust Image Watermarking Scheme by Discrete Wavelet Transform

2014 International Conference on Computer and Communication Engineering ◽

10.1109/iccce.2014.95 ◽

2014 ◽

Cited By ~ 3

Author(s):

Mohammad Abdullatif ◽

Othman O. Khalifa ◽

R.F. Olanrewaju ◽

Akram M. Zeki

Keyword(s):

Wavelet Transform ◽

Discrete Wavelet Transform ◽

Image Watermarking ◽

Discrete Wavelet ◽

Robust Image ◽

Watermarking Scheme

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A Robust Image Watermarking Scheme using Singular Value Decomposition

Journal of Multimedia ◽

10.4304/jmm.3.1.7-15 ◽

2008 ◽

Vol 3 (1) ◽

Cited By ~ 34

Author(s):

B.Chandra Mohan ◽

S. Srinivas Kumar

Keyword(s):

Singular Value Decomposition ◽

Image Watermarking ◽

Singular Value ◽

Robust Image ◽

Value Decomposition ◽

Watermarking Scheme

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A New Robust Color Image Watermarking Based on DWT and DRT

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.278-280.1366 ◽

2013 ◽

Vol 278-280 ◽

pp. 1366-1373 ◽

Cited By ~ 1

Author(s):

Zi Teng ◽

Xiu Feng Qiu ◽

Jian Wei Liu

Keyword(s):

Digital Watermarking ◽

Copyright Protection ◽

Color Image ◽

Image Watermarking ◽

Discrete Wavelet ◽

Color Image Watermarking ◽

Ridgelet Transform ◽

Color Image Watermark ◽

Robust Image ◽

Watermarking Scheme

The copyright protection of multimedia information is more and more important in the digital age, digital watermarking is a solution to address the topic. This paper proposes a new robust image watermarking scheme based on discrete ridgelet transform (DRT) and discrete wavelet transform (DWT). The scheme respectively embeds a copy of color image watermark into DWT domain and DRT domain, and uses a conception of semi-watermark. Experiment results demonstrate that the watermark can resist various attacks such as adding Gaussian or Union Distribution Noise, JPEG compression, brightness adjustment, contrast adjustment, altering color balance, lens blur, zooming in or out, cropping and some combined attacks etc.

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