Adaptive PVD Steganography Using Horizontal, Vertical, and Diagonal Edges in Six-Pixel Blocks

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/scn/volume-2017/1924618/figures/1924618.fig.006a.svgz" name="1924618.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Lena</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/scn/volume-2017/1924618/figures/1924618.fig.006b.svgz" name="1924618.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Baboon</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/scn/volume-2017/1924618/figures/1924618.fig.006c.svgz" name="1924618.fig.006c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Peppers</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/scn/volume-2017/1924618/figures/1924618.fig.006d.svgz" name="1924618.fig.006d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Jet</td></tr></table>

Security and Communication Networks

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Figure 6

Figure 6: Adaptive PVD Steganography Using Horizontal, Vertical, and Diagonal Edges in Six-Pixel Blocks 