Enhanced AMBTC based data hiding method using hamming distance and pixel value differencing
Journals/International Journals 2019. 7. 11. 09:29Journal of Information Security and Applications (SCIE)
Journal of Information Security and Applications (SCIE)
Journal of Real-Time Image Processing (SCIE)
IETE Technical Review (SCIE)
Journal of Advanced Research in Dynamical and Control Systems (SCOPUS)
International Conference on Electronics, Information, and Communication (ICEIC) 2018
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A data hiding method using 3-directional pixel-value differencing for gray images is presented in this paper. The cover image is divided into non-overlapping 2 x 2 sub-blocks and the basis pixel is selected to calculate different three values of a sub-block. Difference values are replaced by embedding the number of secret bits that is referenced by the range table. For three pixel pairs in the sub-block, the optimal pixel adjustment is preceded to reduce the distortion of visual quality. The experimental results demonstrate that the proposed method provides a high capacity and good visual quality.
Cyptologia 38(2), 178-191, 2014 (SCIE)