Image Encryption with Double Spiral Scans and Chaotic Maps

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/scn/volume-2019/8694678/figures/8694678.fig.009a.svgz" name="8694678.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Decrypted Woman</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/scn/volume-2019/8694678/figures/8694678.fig.009b.svgz" name="8694678.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Decrypted Lake</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/scn/volume-2019/8694678/figures/8694678.fig.009c.svgz" name="8694678.fig.009c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Decrypted Goldhill</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/scn/volume-2019/8694678/figures/8694678.fig.009d.svgz" name="8694678.fig.009d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Decrypted ChestXray</td></tr></table>

<div>Decrypted images with a wrong key:<i> y</i>(0) = 0.300001.</div>

Security and Communication Networks

fig9

Figure 9

Figure 9: Image Encryption with Double Spiral Scans and Chaotic Maps 