As medical images are created, displayed, transmitted or stored in a digital form, there has
been a growing interest in protecting the medical images against external/internal attackers.
In this paper, we propose a dual watermarking method (DWM) to protect medical images in
transmission/storage. As the proposed DWM provides both robustness and fragileness with
the embedded watermarks, it can guarantee the integrity of the medical image transmitted
and/or stored. In DWM, watermarks are carefully embedded avoiding the areas of region of …