Journal
QUANTUM INFORMATION PROCESSING
Volume 12, Issue 12, Pages 3689-3706Publisher
SPRINGER
DOI: 10.1007/s11128-013-0629-2
Keywords
Quantum computation; Quantum image; Quantum wavelet transform; Quantum watermarking
Funding
- National Natural Science Foundation of China [61100187, 11201100]
- Fundamental Research Funds for the Central Universities [HIT. NSRIF. 2010046]
- Heilongjiang Province Educational Department Funds of China [12521107]
- Youth Foundation at the Harbin University of Science and Technology [2011YF009]
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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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