Abstract
In this paper, a novel watermarking scheme based on quantum wavelet transform (QWT) is proposed. Firstly, the wavelet coefficients are extracted by executing QWT on quantum image. Then, we utilize a dynamic vector for controlling embedding strength instead of a fixed parameter for embedding process in other schemes. Analysis and results show that the proposed dynamic watermarking scheme has better visual quality under a higher embedding capacity and outperforms the existing schemes in the literature.












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Acknowledgments
This work is supported by the National Natural Science Foundation of China (61100187, 11201100), the Fundamental Research Funds for the Central Universities (Grant No. HIT. NSRIF. 2010046), Heilongjiang Province Educational Department Funds of China (12521107) and the Youth Foundation at the Harbin University of Science and Technology (2011YF009).
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Song, XH., Wang, S., Liu, S. et al. A dynamic watermarking scheme for quantum images using quantum wavelet transform. Quantum Inf Process 12, 3689–3706 (2013). https://doi.org/10.1007/s11128-013-0629-2
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DOI: https://doi.org/10.1007/s11128-013-0629-2