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Robust ROI Watermarking Scheme Based on Visual Cryptography: Application on Mammograms
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 Title & Authors
Robust ROI Watermarking Scheme Based on Visual Cryptography: Application on Mammograms
Benyoussef, Meryem; Mabtoul, Samira; El Marraki, Mohamed; Aboutajdine, Driss;
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In this paper, a novel robust medical images watermarking scheme is proposed. In traditional methods, the added watermark may alter the host medical image in an irreversible manner and may mask subtle details. Consequently, we propose a method for medical image copyright protection that may remedy this problem by embedding the watermark without modifying the original host image. The proposed method is based on the visual cryptography concept and the dominant blocks of wavelet coefficients. The logic in using the blocks dominants map is that local features, such as contours or edges, are unique to each image. The experimental results show that the proposed method can withstand several image processing attacks such as cropping, filtering, compression, etc.
Copyright Protection;Mammograms;Medical Image;Robust Watermarking;Visual Cryptography;
 Cited by
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