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Blind Low Frequency Watermarking Method

Authors: Dimitar Taskovski, Sofija Bogdanova, Momcilo Bogdanov


We present a low frequency watermarking method adaptive to image content. The image content is analyzed and properties of HVS are exploited to generate a visual mask of the same size as the approximation image. Using this mask we embed the watermark in the approximation image without degrading the image quality. Watermark detection is performed without using the original image. Experimental results show that the proposed watermarking method is robust against most common image processing operations, which can be easily implemented and usually do not degrade the image quality.

Keywords: Digital Watermarking, Low Frequency, blind, visualmask

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[1] Cox, J. Kilian, F.T. Leighton, and T. Shamoon, "Secure spread spectrum watermarking for multimedia", IEEE Trans. Image Processing, Vol. 6, No 12, pp. 1673-1689, Dec 1997.
[2] C-T. Hsu and J-L. Wu, "Hidden digital watermarks in images", IEEE Trans. Image Processing, Vol. 8, No. 1, pp. 58-68, Jan 1999.
[3] E. Koch and J. Zhao, "Towards robust and hidden image copyrights labeling", Proceedings of the Nonlinear Signal Processing Workshop, pp. 452-455, Thessaloniki, Greece, 1995.
[4] X.-G. Xia, C.G. Boncelet, and G. R. Arce, "Wavelet transform based watermark for digital images", Optics Express, Vol. 3, No. 12, pp. 497-505, Dec. 1998.
[5] C.I. Podilchuk and W.Zeng, "Image-adaptive watermarking using visual models", IEEE Journal on Selected Areas in Communications, Vol. 16, No. 4, pp. 525-539, May 1998.
[6] M. Barni, F. Bartolini, and A. Piva, "Improved wavelet-based watermarking through pixel-wise masking", IEEE Trans. Image Processing, Vol. 10, No. 5, pp. 783-791, May 2001.
[7] N. Kaewkamnerd and K.R. Rao, "Multiresolution based image adaptive watermarking scheme", EUSIPCO 2000, Tampere, Finland, Sept. 2000.
[8] G. Nicchiott and Ottaviani, "Non-invertible statistical wavelet watermarking," EUSIPCO-98, pp. 2289-2292, Rhodes, Greece, 1998.
[9] D. Tzovaras, N. Karagiannis, and M. G. Strintzis, "Robust image watermarking in the subband or discrete cosine transform," EUSIPCO-98, pp. 2285-2288, Rhodes, Greece, 1998.
[10] J. Huang, Y. Q. Shi and Y. Shi, "Embedding image watermarks in DC components", IEEE2 Trans. Circuits and Systems for Video Technology, Vol. 10, No. 6, pp. 974-979, 2000.
[11] D. Taskovski, "Adaptive Watermarking For Digital Images Protection", PhD Thesis. Faculty of Electrical Engineering, Skopje. June 2004.
[12] Pitas, "A method for signature casting of digital images," ICIP-96, Lausanne, Switzerland, pp. 2215-2218, 1996.
[13] A. Said and W. Pearlman, "A new fast end efficient image codec based on set partitioning in hierarchical trees", IEEE Trans. Circuits and Systems for Video Tech., pp. 243-250, Vol. 6, No. 3, 1996.