Abstract

Reversible data hiding technique is advancing with each passing day. It is a form of steganography in which the hidden data can be recovered or extracted by the authorized user. In this paper, we have proposed the variable least significant bit based digital image hiding system based on LSB substitution. The proposed scheme has high security, better embedding capacity and increased imperceptibility. Also, the proposed scheme successfully resists the stastical attacks like Rs analysis, histogram analysis and chi-square analysis which adds to the efficiency of the proposed scheme.

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