8 February 2017 Image steganography using layered pixel-value differencing
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Proceedings Volume 10225, Eighth International Conference on Graphic and Image Processing (ICGIP 2016); 102251B (2017) https://doi.org/10.1117/12.2266342
Event: Eighth International Conference on Graphic and Image Processing, 2016, Tokyo, Japan
This paper proposes a layered approach to improve the embedding capacity of the existing pixel-value differencing (PVD) methods for image steganography. Specifically, one of the PVD methods is applied to embed a secret information into a cover image and the resulting image, called stego-image, is used to embed additional secret information by the same or another PVD method. This results in a double-layered stego-image. Then, another PVD method can be applied to the double-layered stego-image, resulting in a triple-layered stego-image. Likewise, multi-layered stego-images can be obtained. To successfully recover the secret information hidden in each layer, the embedding process is carefully designed. In the experiment, the proposed layered PVD method proved to be effective.
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Jaeyoung Kim, Jaeyoung Kim, Hanhoon Park, Hanhoon Park, } "Image steganography using layered pixel-value differencing", Proc. SPIE 10225, Eighth International Conference on Graphic and Image Processing (ICGIP 2016), 102251B (8 February 2017); doi: 10.1117/12.2266342; https://doi.org/10.1117/12.2266342


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