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A Generalized Image Interpolation-based Reversible Data Hiding Scheme with High Embedding Capacity and Image Quality
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  • A Generalized Image Interpolation-based Reversible Data Hiding Scheme with High Embedding Capacity and Image Quality
  • A Generalized Image Interpolation-based Reversible Data Hiding Scheme with High Embedding Capacity and Image Quality
저자명
Tsai. Yuan-Yu,Chen. Jian-Ting,Kuo. Yin-Chi,Chan. Chi-Shiang
간행물명
KSII Transactions on internet and information systems : TIIS
권/호정보
2014년|8권 9호|pp.3286-3301 (16 pages)
발행정보
한국인터넷정보학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Jung and Yoo proposed the first image interpolation-based reversible data hiding algorithm. Although their algorithm achieved superior interpolation results, the embedding capacity was insufficient. Lee and Huang proposed an improved algorithm to enhance the embedding capacity and the interpolation results. However, these algorithms present limitations to magnify the original image to any resolution and pixels in the boundary region of the magnified image are poorly manipulated. Furthermore, the capacity and the image quality can be improved further. This study modifies the pixel mapping scheme and adopts a bilinear interpolation to solve boundary artifacts. The modified reference pixel determination and an optimal pixel adjustment process can effectively enhance the embedding capacity and the image quality. The experimental results show our proposed algorithm achieves a higher embedding capacity under acceptable visual distortions, and can be applied to a magnified image at any resolution. Our proposed technique is feasible in reversible data hiding.