A Reversible Data Hiding Method with Contrast Enhancement for Medical Images by Preserving Authenticity
Journal Title: GRD Journal for Engineering - Year 2016, Vol 1, Issue 9
Abstract
This paper presents a reversible data hiding method with contrast enhancement for medical images by preserving authenticity. Here the objective of reversible data hiding is to embed some secret information such as diagnosis report, patient ID etc., into the medical image in an invisible manner. In addition with the embedding of information into the image the proposed method achieves contrast enhancement without any visual distortions as in the previous methods. In addition with the contrast enhancement, the proposed method also provide security by introducing a visually meaningful image encryption so that instead of producing a noise like or texture like encrypted image this method will produce a visually meaningful encrypted image. Thereby it reduces the chance of security attacks. Also the embedding of digital watermark with this encryption will helps to ensure the authenticity of the medical images.
Authors and Affiliations
Riny Joy, Jyothish K John
Keywords
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