Open Access Journal

ISSN : 2394-2320 (Online)

International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Monthly Journal for Computer Science and Engineering

Open Access Journal

International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Monthly Journal for Computer Science and Engineering

ISSN : 2394-2320 (Online)

DWT & SVD Based Watermarking Scheme for Copyright Protection In Medical Images

Author : Ms. Shubhangi D. Mashalkar 1 Prof. S. S. Shirgan 2

Date of Publication :11th August 2017

Abstract: Watermarking is a popular method for copyright protection. This technique seems to be very popular and helpful for protecting the privacy of patients by doing watermarking procedure on medical images. In this watermarking scheme a text image is created which may vary from patient to patient and is embedded on the MRI images to generate a secure image which contain hidden patient data (not visible to naked eyes). Two methods are implemented for watermarking i.e. Discrete Wavelet Transform and Singular Value Decomposition. The PSNR (between original MRI image and generated secure image) and correlation (between patient text information and extracted watermark image) are calculated to check the robustness and capacity of the scheme.

Reference :

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    1. Sachin Mehta, RajarathnamNallusamy, RanjeetVinayakMarawar, BalakrishnanPrabhakaran “A study of DWT and SVD based Watermarking Algorithms for Patient Privacy in Medical Images” in image processing,
    2. B. Irany, X. Guo, and D. Hatzinakos, “A high capacity reversible multiple watermarking scheme for medical images,” in Digital Signal Processing (DSP), 2011 17th International Conference on, july 2011, pp. 1 –6.
    3. G. Coatrieux, H. Maitre, B. Sankur, Y. Rolland, and R. Collorec, “Relevance of watermarking in medical imaging,” in Information Technology Applications in Biomedicine, 2000. Proceedings. 2000 IEEE EMBS International Conference on, 2000, pp. 250 –255.
    4. V. Potdar, S. Han, and E. Chang, “A survey of digital image watermarking techniques,” in Industrial Informatics, 2005. INDIN ’05. 2005 3rd IEEE International Conference on, aug. 2005, pp. 709 – 716.
    5. A. Giakoumaki, S. Pavlopoulos, and D. Koutouris, “A medical image watermarking scheme based on wavelet transform,” in Engineering in Medicine and Biology Society, 2003. Proceedings of the 25th Annual International Conference of the IEEE, vol. 1, sept. 2003, pp. 856 – 859 Vol.1.
    6. R. Liu and T. Tan, “An svd-based watermarking scheme for protecting rightful ownership,” Multimedia, IEEE Transactions on, vol. 4, no. 1, pp. 121 –128, mar 2002.
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