Abstract
Aiming at the problem of medical image leakage in the transmission process, in order to enhance the concealment of patient data, a Tetrolet-DCT based encrypted medical image zero watermarking scheme is proposed. Firstly, DFT and Logistic mapping are used to encrypt the original medical image to obtain the encrypted medical image. Then, Tetrolet-DCT is used to extract the features of the encrypted medical image. After that, zero watermark technology is applied to embed and extract the watermark information of patients. Experimental results show that the proposed scheme ensures the concealment of the original medical image, and can effectively extract the watermark information. It has good robustness both against traditional attacks and geometric attacks.
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Acknowledgements
This work was supported in part by the Natural Science Foundation of China under Grant 62063004 and 61762033, in part by the Hainan Provincial Natural Science Foundation of China under Grant 2019RC018 and 619QN246, by the Postdoctoral Science Foundation under Grant 2020TQ0293, by the Science and Technology Research Project of Chongqing Education Commission Under Grant KJQN201800442, and by the General Project of Chongqing Natural Science Foundation Under Grant cstc2020jcyj-msxmX0422).
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Cui, W. et al. (2021). A Zero Watermarking Scheme for Encrypted Medical Images Based on Tetrolet-DCT. In: Chen, YW., Tanaka, S., Howlett, R.J., Jain, L.C. (eds) Innovation in Medicine and Healthcare. Smart Innovation, Systems and Technologies, vol 242. Springer, Singapore. https://doi.org/10.1007/978-981-16-3013-2_8
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DOI: https://doi.org/10.1007/978-981-16-3013-2_8
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