Abstract:A fragile watermarking system is designed for the authentication of medical images. The proposed system authenticates the computed tomography (CT) scan medical images of the effected organs against different distortions. The system enhances the embedding capacity of a CT scan image by isolating the region of interest (ROI) based on higher gray values which need to be unaffected for medical diagnosis and hide character watermark only in region of non interest (RONI) and border areas, thus not compromising the d… Show more
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