An Adaptive and Blind Watermarking Algorithm Based on Shearlet Transform

Abstract:

In order to fully utilize the character of Shearlet transform that it can represent the image sparser, an adaptive and blind watermarking algorithm is proposed. The parity of the number of the high-frequency coefficients in the same subdivision window which values are zero is used to embed the watermark signal. If the watermark is an odd number 1, then keep the number of zeros of the high-frequency coefficients odd; else if the watermark is an even number 0, then keep the number of zeros of the high-frequency coefficients even. Simulation results show that the algorithm is feasible and fairly robust,and it maintains satisfying transparency. The algorithm can be widely used in copyright protection of digital information.

• Periodical: Applied Mechanics and Materials (Volume 391)
• Pages: 551-554
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.391.551
• Online since: September 2013
• Authors: Jing Xu
• Keywords: Adaptively, Blind Watermarking, Shearlet Transform

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