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J. KIMS Technol > Volume 14(3); 2011 > Article
Journal of the Korea Institute of Military Science and Technology 2011;14(3):482-491.
DOI: https://doi.org/10.9766/KIMST.2011.14.3.482   
Two-level Information Hiding Method for the Transmission of Military Secret Images
In-Taek Kim, Jae-Cheol Kim, Yong-Kyun Lee
Korea Air Force Academy
군사용 비밀 영상 전송을 위한 이단계 정보은닉 기법
김인택, 김재철, 이용균
공군사관학교
Abstract
The purpose of this study is to design and implement a 2-level secret information transmission system which can be used for information hiding of images transmitted over various IT communication media. To increase the robustness of the hiding power, we combined the steganography method which inserts secret object into cover object to hide the very fact of information hiding itself, and the preprocessing stage to encrypt the secret object before the stego-insertion stage. As a result, even when the stego-image is broken by an attacker, the secret image is protected by encryption. We implemented the 2-level image insertion and extraction algorithm by using C++ programming language. Experiment shows that the PSNR values of stego-images of ours exceed 30.00db which is the threshold of human recognition. The methodology of this study can be applied broadly to the information hiding and protection of the military secret images.
Key Words: Steganography, ARIA, PVD, Secret Image, Information Hiding
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