Distribution independent blind watermarking

Authors:
S. M. E. Sahraeian;M. A. Akhaee;F. Marvasti
Affiliations:
Department of Electrical and Computer Engineering, Texas A&M University;Advanced Communications Research Institute, Department of Electrical Engineering, Sharif University of Technology;Advanced Communications Research Institute, Department of Electrical Engineering, Sharif University of Technology
Venue:
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Year:
2009

Citing 6
Cited 0

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Robust Image Watermarking Based on Multiband Wavelets and Empirical Mode Decomposition

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Abstract

In this paper, a new blind scaling based watermarking approach is presented. The host signal is assumed to be stationary Gaussian with first-order autoregressive model. Partitioning the host signal into two separate parts, the data is embedded in one part and the other is kept unchanged for blind parameter estimation. Driving the distribution of the decision variable we have suggested a maximum likelihood decoding algorithm which is independent of the host signal distribution and can be applied for any transform domains. The proposed algorithm is applied to both artificial Gaussian autoregressive signals as well as various test images. Experimental results confirm the independence of the decoder performance to the host signal distribution and its great robustness against common attacks.