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An Efficient Embedder for BCH Coding for Steganography

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5 Author(s)
Rongyue Zhang ; School of Computer, Guangdong University of Technology, Guangzhou, China ; Vasiliy Sachnev ; Magnus Bakke Botnan ; Hyoung Joong Kim
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This paper presents an improved data hiding technique based on BCH (n,k,t ) coding. The proposed embedder hides data into a block of input data by modifying some coefficients in the block in order to null the syndrome. The proposed embedder can hide data with less computational time and less storage capacity compared to the existing methods. The complexity of the proposed method is linear while that of other methods are exponential for any block size n. Thus, it is easy to extend this method to a large n. The BCH syndrome coding for steganography is now viable ascribed to the reduced complexity and its simplicity of the proposed embedder.

Published in:

IEEE Transactions on Information Theory  (Volume:58 ,  Issue: 12 )