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A Quantum Watermark Protocol

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Abstract

Quantum watermarking is the technique which embeds the invisible quantum signal such as the owner’s identification into quantum multimedia data (such as audio, video and image) for copyright protection. In this paper, a watermark strategy for quantum images is proposed based on flexible representation for quantum images (FRQI). Compared with the former strategy, which can only be used to verify the identity of the true owner of a carrier image, the proposed method can be used to find out who is the real owner, and our strategy’s capacity reaches the largest. It is impossible for anyone except the copyrighter to clear off or extract the watermark images.

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Acknowledgements

This work is supported by NSFC (Grant Nos. 61170270, 61100203, 60903152, 61003286, 61121061), NCET (Grant No. NCET-10-0260), SRFDP (Grant Nos. 200800131016, 20090005110010), Beijing Natural Science Foundation (Grant No. 4112040), the Fundamental Research Funds for the Central Universities (Grant Nos. BUPT2011YB01, BUPT2011RC0505, 2011PTB-00-29, 2011RCZJ15), Science and Technology on Communication Security Laboratory Foundation (Grant No. 9140C110101110C1104).

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Authors and Affiliations

  1. State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, 100876, China

    Wei-Wei Zhang, Fei Gao, Bin Liu, Heng-Yue Jia & Qiao-Yan Wen

  2. State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing, 100190, China

    Wei-Wei Zhang

  3. Science and Technology on Communication Security Laboratory, P.O. Box 810, Chengdu, 610041, China

    Hui Chen

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  1. Wei-Wei Zhang
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  2. Fei Gao
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  3. Bin Liu
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  4. Heng-Yue Jia
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  5. Qiao-Yan Wen
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  6. Hui Chen
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Correspondence to Wei-Wei Zhang.

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Zhang, WW., Gao, F., Liu, B. et al. A Quantum Watermark Protocol. Int J Theor Phys 52, 504–513 (2013). https://doi.org/10.1007/s10773-012-1354-9

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  • DOI: https://doi.org/10.1007/s10773-012-1354-9

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