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A Secure Data Hiding Scheme for Digital Images Using Permutation and Normalization

D.R. Denslin Brabin, Dr.S. Janakiraman

Abstract


A secure data hiding method for digital images is proposed here. Min-Max Normalization method is used to provide space to embed secret bits into image pixels. The image pixels are normalized into some short range and then denormalized. The secret bit is directly added to the denormalized image pixel. Message dependent Permutation is performed to generate secret key. XOR operation is performed between the denormalized pixel values of the cover image on the positions according to secret key and the byte values of the secret message to enhance security. The experimental results reveal that the proposed scheme produces well hiding capacity and security.

Keywords


Watermarking, Steganography, Permutation, Normalization.

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References


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