Adaptive Digital Watermarking Scheme Based on Support Vector Machines and Optimized Genetic Algorithm

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/2685739/figures/2685739.fig.006a.svgz" name="2685739.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Original watermark</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/2685739/figures/2685739.fig.006b.svgz" name="2685739.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Extracted watermark after cropped by 1/4</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/2685739/figures/2685739.fig.006c.svgz" name="2685739.fig.006c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Extracted watermark after cropped by 1/2</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/2685739/figures/2685739.fig.006d.svgz" name="2685739.fig.006d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Extracted watermark after cropped by 3/4</td></tr></table>

<div>Extracted watermark after the watermarked image is attacked by cropping.</div>

Mathematical Problems in Engineering

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Figure 6

Figure 6: Adaptive Digital Watermarking Scheme Based on Support Vector Machines and Optimized Genetic Algorithm 