Abstract
Steganography is the science of hiding information in digital media that seemingly harmless. LSB replacement technique is commonly used in hiding information. Exploiting modification direction (EMD) method is a high capacity technique. EMD method uses the relationship of η adjacent pixels to embed the secret data. This method can hide (2n + 1)-ary notational secret digit into η cover pixels. Based on this method Chao et al. proposed Data Hiding Scheme with Diamond Encoding (DEMD) method which can embed (2k2 + 2k + 1)-ary secret data in a pair of pixel. Our proposed method is extension of DEMD method. A reference matrix is required for this method on the other hand our method doesn't need this matrix and also overcome the overflow problem.
Published Version
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