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A New Algorithm For Data Hiding Using Opap And Multiple Keys

Publication Date : 30/11/2014

Author(s) :

V.Eswari , G.Arumugam.

Volume/Issue :
Volume 1
Issue 5
(11 - 2014)

Abstract :

Steganography gained significance in the past few years due to the increasing need for providing secrecy in an open environment like the internet. With almost anyone can observe the communicated data all around, steganography attempts to hide the very existence of the message and make communication undetectable. In this paper we propose a modern technique with Integer Wavelet transform (IWT) and double key to accomplish high hiding capability, high security and good visual quality. Here cover image is transformed in to wavelet transform co-efficients and the coefficients are selected randomly by using Key-2 for embedding the data. Key-1 is used to calculate the number of bits to be embedded in the randomly selected coefficients. Finally the Optimum Pixel Adjustment Process(OPAP) is applied to the stego image to reduce the data embedding error.

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A New Algorithm For Data Hiding Using Opap And Multiple Keys

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