Medical Image Security Based On Diffusion - Substitution Method
Journal Title: International Journal of Scientific Research and Management - Year 2016, Vol 4, Issue 9
Abstract
In modern applications pertaining to transmission and receiving of multimedia data , the demand for data privacy has never been more significant . Hence, encryption of data becomes very much essential. Many encryption a lgorithms had been proposed, however, algorithms with high security, good efficiency and high performance are the demands of today’s applications. The work proposed in this paper is a diffusion process involving position based transformation with respect to pixels in two stages of encryption. The first stage involves dividing the image into non - overlapping blocks for which t he image size is decided by a key. The second stage involves pixel shuffling with a particular pattern within each block in an image. The encryption algorithm implemented in this paper also validates for colour images of RGB format.
Authors and Affiliations
Jeannine Nithya
Keywords
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