A Novel Steganography Method for Hiding BW Images into Gray Bitmap Images via k-Modulus Method

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Provided by: The Science and Information (SAI) Organization
Topic: Security
Format: PDF
In this paper, the authors are to create a pragmatic steganographic implementation to hide black and white image which is known as stego image inside another gray bitmap image that known as cover image. First of all, the proposed technique uses K-Modulus Method (K-MM) to convert all pixels within the cover image into multiples of positive integer named k. Since the black and white images can be represented using binary representation, i.e. 0 or 1. Then, in this paper, the suitable value for the positive integer k is two. Therefore, each pixel inside the cover image is divisible by two and this produces a reminder which is either 0 or 1.
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