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In this paper we presented a new transform domain data hiding scheme used for
steganographic applications such as covert communication or captioning. The
technique embeds high data rate by scrambling the cover image which results in
transform coefficients which occupy the entire image spectrum. We showed that the
technique is secure by showing that both the perceptual quality and the
statistical properties of the cover and the stego image are both identical.
Furthermore, the hidden information cannot be extracted unless one has access to
the scrambling key. Future work will concentrate on improving the robustness of
the technique and on estimating the capacity of the cover image to increase the
data embedding rate.
Muhammad Zubair Ikram
7/14/2000