Implementation of efficient Image Encryption then compression (ETC) System

computer engineering

Now-a-days image encryption becomes more important. An image encryption has to be conduct earlier to image compression using random error clustering approach. This deal with the problem of how to design a pair of image encryption and compression algorithms such that compressing the encrypted images can still be competently performed. In system provide a highly efficient image encryption-then-compression (ETC) system, where lossless Compressions are considered. The proposed image encryption scheme operated in the prediction error domain which to provide a reasonably high level of security .An arithmetic coding-based approach which provides efficiently compression of the encrypted images. Compression approach applied to encrypted images is only somewhat inferior, in terms of compression efficiency, to the state-of-the-art lossless image coders, which take input as original images.

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