Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Steganographic Method Based on Three Directional Embedding

세 방향 자료 은닉이 가능한 이미지 스테가노그래픽기법 연구

  • Received : 2010.01.11
  • Accepted : 2010.03.04
  • Published : 2010.04.05
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Abstract

A steganographic method using three directional data embedding for gray images is presented in this paper. Cover image is divided into non-overlapping $2\times2$ sub-blocks and the basis pixel is selected to calculate the three different values of each sub-block. Difference values are replaced by embedding the number of secret bits that is referenced by the range table. For the three pixel pairs in the sub-block, the optimal pixel adjustment is preceded to reduce the distortion of visual quality. The experimental results show that the proposed method achieves a good visual quality and high capacity.

Keywords

References

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