A DWT-Based Approach with Gradient Analysis for Robust and Blind Medical Image Watermarking
Khaled Hebbache,
Belal Khaldi,
Oussama Aiadi
et al.
Abstract:The growing adoption of telemedicine necessitates robust security measures for medical images during transmission. This paper proposes a novel blind watermarking system for medical images that utilizes both image gradients and the Discrete Wavelet Transform (DWT). Image gradients, acting as spatial derivatives, provide a “topological map” of the image, aiding in the identification of areas susceptible to disruption. The DWT, with its multi-resolution analysis, offers a favorable balance between robustness and … Show more
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