An Efficient Secure Image Watermarking Using Wavelet Transform
||International Journal of Computer Trends and Technology (IJCTT)||
|© 2014 by IJCTT Journal|
|Year of Publication : 2014|
|Authors : J.S. LeenaJasmine , L. Prabha|
|DOI : 10.14445/22312803/IJCTT-V17P125|
J.S. LeenaJasmine , L. Prabha. "An Efficient Secure Image Watermarking Using Wavelet Transform". International Journal of Computer Trends and Technology (IJCTT) V17(3):133-137, Nov 2014. ISSN:2231-2803. www.ijcttjournal.org. Published by Seventh Sense Research Group.
Watermark is an invisible signature embedded inside an image to show authenticity or proof of ownership. The watermark pattern owner wants to keep their watermark patterns private during the watermark detection. In this paper, Lifting Wavelet Transform(LWT) technique is used for secure watermark detection. The Lifting Wavelet Transform(LWT) technique embeds ownership information into the host contents without degrading the perceptual quality of the host contents. Mainly this algorithm progresses the Peak to Signal Noise Ratio than the existing Discrete Cosine Transform(DCT) technique. Simulation results demonstrate the feasibility of the digital watermarking algorithms for use in multimedia standards. Our speculative analysis and new results show that secure watermark in the Compressive Sensing domain is possible. The experimental result shows that the proposed methods provides improved PSNR ratio.
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Digital Watermarking, Wavelet Transform, LWT, PSNR, Copyright Protection.