An Analysis of Different Watermarking Schemes for Medical Image Authentication
European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 4, Pages 2250-2259
AbstractThese days enormous amounts of information are at almost everyone’s disposal with a single click of a button, and that too on a hand-held device. Data can be present in various forms like still images and slides of pictures like a video or GIF, over various websites present on the Internet. Because of the excessive use of this data, it also becomes important to secure it as it can be duplicated, transformed, stolen, tampered or misused pretty easily. Recently, there has been a spike increase in the use of medical images in various E-health applications. In order to counter these potential threats, a number of watermarking techniques are being developed. A watermark is embedded in an image in the form of some pattern that can be used to authenticate the integrity of the image. This paper deals with the various algorithms that have been developed, proposed and utilized in recent years to solve the highly complex problems that have been faced while trying to secure the medical images from different kinds of threats. Alongside the survey of the techniques, this paper also goes through the concept of watermarking, properties of watermarking, various challenges faced by watermarking for medical images and the summary of different techniques for watermarking.
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