Cryptography: Theory and Practice
Cryptography: Theory and Practice
IEEE Transactions on Computers
Scalar Costa scheme for information embedding
IEEE Transactions on Signal Processing
IEEE Transactions on Information Theory
Secure spread spectrum watermarking for multimedia
IEEE Transactions on Image Processing
Reliable information bit hiding
IEEE Transactions on Circuits and Systems for Video Technology
Joint security and robustness enhancement for quantization based data embedding
IEEE Transactions on Circuits and Systems for Video Technology
Reversible data embedding using a difference expansion
IEEE Transactions on Circuits and Systems for Video Technology
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Information hiding is a technique that embeds secret data in digital media for using in a variety of applications, including ownership protection, authentication, access control, annotation and so on. In this paper, we propose an information hiding scheme based on quantization-based embedding technique to conceal information in gray-scale image. The proposed scheme was tested with a variety of gray images. According to the experimental results, hidden information can be extracted correctly and quickly from the stego image. In addition, the stego image has only a little distortion compared with the cover image. The proposed scheme can not only hide a large amount of information in the cover image, but can also repair the stego image such that the repaired image is almost the same as the cover image.