Abstract
Steganography techniques are useful to convey hidden information using various types of typically-transmitted multimedia data as cover file to conceal communication. When using JPEG as a cover file, normally message is hidden in the AC values of quantized DCT coefficients. However, concealment of message in quantization table is yet to be done. In this paper, a novel in-DQT technique for message hiding in JPEG’s quantization table using bytewise insertion is proposed. By using in-DQT technique on standard JPEG test images for cover files with up to 24 bytes of message, results show that steganography image with minimal acceptable image distortion. Thus, in-DQT technique provides alternative for embedding message in quantization table.
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Mohamad, K.M., Herawan, T., Deris, M.M. (2010). Hiding Data in JPEG Using in-DQT Technique. In: Bandyopadhyay, S.K., Adi, W., Kim, Th., Xiao, Y. (eds) Information Security and Assurance. ISA 2010. Communications in Computer and Information Science, vol 76. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13365-7_4
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DOI: https://doi.org/10.1007/978-3-642-13365-7_4
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