| Steganographic Method Based on Interpolation and Improved JPEG Prediction |
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Byoung-Hyun Jeon, Gil-Jae Lee, Ki-Hyun Jung, Kee-Young Yoo |
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| 보간법과 개선된 JPEG 예측을 통한 스테가노그래픽 기법 연구 |
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전병현, 이길제, 정기현, 유기영 |
1경북대학교
2영진전문대학 컴퓨터정보계열 |
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| Abstract |
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The previous steganographic methods by using the interpolation were difficult to estimate the distortion because the size of cover image is extended by interpolation algorithms. In this paper, to solve the problems of previous methods proposed the improved steganographic method based on the pixel replacement algorithms. In our method, we cannot extend a cover image, but also can estimate exactly the distortion of the stego-images. In the experimental results, the estimated distortion and embedding capacity of stego-image are shown on three pixel replacement methods. |
| Key Words:
Interpolation, Steganography, JPEG Prediction, PSNR |
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