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IEICE TRANSACTIONS on Fundamentals

Digital Steganography Utilizing Features of JPEG Images

Motoi IWATA, Kyosuke MIYAKE, Akira SHIOZAKI

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Summary :

This paper proposes a new steganographic method utilizing features of JPEG compression. The method embeds secret information using the number of zeroes in a block of quantized DCT coefficients in minimum coding units (MCU) of JPEG images. In the method, we can embed secret information into JPEG images with degradation like that by JPEG compression. Furthermore, the method causes little change of the histogram of quantized DCT coefficients, so it is hard to perceive secret information embedded by the method. The method mainly modifies boundaries between zero and non-zero DCT coefficients, so we can use the low frequency side of DCT coefficients for another steganographic method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E87-A No.4 pp.929-936
Publication Date
2004/04/01
Publicized
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DOI
Type of Manuscript
PAPER
Category
Image

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