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http://dx.doi.org/10.9717/kmms.2014.17.4.466

A Data Hiding Scheme for Grayscale Images Using a Square Function  

Kwon, Hyejin (School of Electronics Engineering, Kyungpook National Univ.)
Kim, Haemun (Department of Materials and Energy Engineering, Kyungwoon Univ.)
Kim, Soonja (School of Electronics Engineering, Kyungpook National Univ.)
Publication Information
Journal of Korea Multimedia Society / v.17, no.4, 2014 , pp. 466-477 More about this Journal
Abstract
Many image hiding schemes based on least significant bit (LSB) transformation have been proposed. One of the LSB-based image hiding schemes that employs diamond encoding was proposed in 2008. In this scheme, the binary secret data is converted into base n representation, and the converted secret data is concealed in the cover image. Here, we show that this scheme has two vulnerabilities: noticeable spots in the stego-image, i.e., a non-smooth embedding result, and inefficiency caused by rough re-adjustment of falling-off-boundary value and impractical base translation. Moreover, we propose a new scheme that is efficient and produces a smooth and high quality embedding result by restricting n to power of 2 and using a sophisticated re-adjustment procedure. Our experimental results show that our scheme yields high quality stego-images and is secure against RS detection attack.
Keywords
Image hiding; Steganography; hiding capacity; base conversion; modular arithmetic; RS detection attack;
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Times Cited By KSCI : 1  (Citation Analysis)
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