A Joint Encryption and Reversible Data Hiding Scheme Based on Integer-DWT and Arnold Map Permutation

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="861782.fig.001a" src="https://static.hindawi.com/articles/jam/volume-2014/861782/figures/861782.fig.001a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Subbands of DWT</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="861782.fig.001b" src="https://static.hindawi.com/articles/jam/volume-2014/861782/figures/861782.fig.001b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Histogram of HH of original Lena</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="861782.fig.001c" src="https://static.hindawi.com/articles/jam/volume-2014/861782/figures/861782.fig.001c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Histogram of HH of histogram shifted Lena</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="861782.fig.001d" src="https://static.hindawi.com/articles/jam/volume-2014/861782/figures/861782.fig.001d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Histogram of HH of data embedded Lena</td></tr></table></td></tr></table>

<table>An example of histogram modification (HH subband of integer DWT of Lena).</table>

Journal of Applied Mathematics

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Figure 1

Figure 1: A Joint Encryption and Reversible Data Hiding Scheme Based on Integer-DWT and Arnold Map Permutation 