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A Watermarking Scheme for Digital Images Using Multilevel Wavelet Decomposition

Shaikh, Muhammad Shafique and Dote, Yasuhiko (2003) A Watermarking Scheme for Digital Images Using Multilevel Wavelet Decomposition. Malaysian Journal of Computer Science, 16 (1). pp. 24-36. ISSN 0127-9084

Full text not available from this repository.

Official URL: http://mjcs.fsktm.um.edu.my/detail.asp?AID=197

Affiliations

Muroran Institute of Technology

Abstract

A robust multilevel watermarking method based on multiresolution wavelet transformation is introduced. The coefficients of watermark are embedded into those of host image at different transformation level with a novel procedure. Watermark is extracted by inverse transformation at every level and by feeding the residual marked image to the subsequent level. Finally, the watermark is estimated by taking mean value of the watermarks obtained at every level. The introduced method is tested on six gray images with added Gaussian, salt and pepper, Speckle, and JPEG noises. The method is also examined with a color mpeg video. Signal to noise ratio with correlation coefficients are used as criteria for testing the method.

Item Type:Journal
Keywords:Copyright Protection, Watermarking, Digital Image, Wavelet Transformation
Subjects:Q Science
ID Code:483

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D. Kundur and D. Hatzinakos, “Digital Watermarking Using Multiresolution Wavelet Decomposition”, in Proc. of IEEE Int. Conf. on Acoustics, Speech and Sig. Processing, Seattle, Washington, Vol. 5, May 1998, pp. 2969-2972.

M. S. Shaikh and Y. Dote, “A Robust Watermarking Method for Copyright Protection of Digital Images Using Wavelet Transformation”. IEEJ Trans. EIS, Vol. 123, No. 2, 2003, pp. 262-266.

M. S. Shaikh and Y. Dote, “A Robust Multilevel Watermarking Method for Digital Images Using Multiresolution Wavelet Decomposition”, in Proc. of 6th Online World Conf. on Soft Computing in Industrial Applications (WSC6), (http://vision.fhg.de/wsc6/), Sept. 10-24, 2001.

C. C. Wah, “Novel Approach in Watermarking of Digital Image”, in Proc. of Int. Workshop on Soft Computing in Industry’99 (IWSCI’99), Muroran, Japan, June 16-18, 1999, pp. 224-227.

C.-T. Hsu and J.-L. Wu, “Digital Watermarking for Video”, in Proc. of 13th Int. Conf on Digital Signal Processing, 1997, pp. 217-220.

J. Dittmann, M. Stabenau, and R. Steinmetz, “Robust MPEG Video Watermarking Technologies”. Report available at http://www.ipsi.fhg.de/mobile/publications/fullpapers/ACM/index.htm.

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