High Capacity Image Steganography Using Modified LSB Substitution and PVD against Pixel Difference Histogram Analysis

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/scn/volume-2018/1505896/figures/1505896.fig.003a.svgz" name="1505896.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Original block</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/scn/volume-2018/1505896/figures/1505896.fig.003b.svgz" name="1505896.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Stego-block</td></tr></table>

<div>Examples of 2 × 3 original and stego-blocks.</div>

Security and Communication Networks

fig3

Figure 3

Figure 3: High Capacity Image Steganography Using Modified LSB Substitution and PVD against Pixel Difference Histogram Analysis 