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

  • 제13권2호
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  • Pages.268-274
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  • 2010
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  • 1598-9127(pISSN)
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  • 2636-0640(eISSN)
한국군사과학기술학회 (The Korea Institute of Military Science and Technology)
권호 표지

세 방향 자료 은닉이 가능한 이미지 스테가노그래픽기법 연구

Steganographic Method Based on Three Directional Embedding

  • 투고 : 2010.01.11
  • 심사 : 2010.03.04
  • 발행 : 2010.04.05
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초록

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.

키워드

참고문헌

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