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Imane Assini
Hassan II University of Casablanca
Computer Science & IT Electrical & Electronics Engineering

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Hybrid multiple watermarking technique for securing medical images of modalities MRI, CT scan, and X-ray Imane Assini; Abdelmajid Badri; Aicha Sahel; Abdennaceur Baghdad
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 3: June 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (904.525 KB) | DOI: 10.11591/ijece.v10i3.pp2349-2356

Abstract

In order to contribute to the security of sharing and transferring medical images, we had presented a multiple watermarking technique for multiple protections; it was based on the combination of three transformations: the discrete wavelet transform (DWT), the fast Walsh-Hadamard transform (FWHT) and, the singular value decomposition (SVD). In this paper, three watermark images of sizes 512x 512 were inserted into a single medical image of various modalities such as magnetic resonance imaging (MRI), computed tomography (CT), and X-Radiation (X-ray). After applying DWT up to the third level on the original image, the high-resolution sub-bands were being selected subsequently to apply FWHT and then SVD. The singular values of the three watermark images were inserted into the singular values of the cover medical image. The experimental results showed the effectiveness of the proposed method in terms of quality and robustness compared to other reported techniques cited in the literature.
Co-Authors Abdelmajid Badri Abdennaceur Baghdad Aicha Sahel