Image Watermarking Algorithm Based on Multiobjective Ant Colony Optimization and Singular Value Decomposition in Wavelet Domain

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="921270.fig.005a" src="https://static.hindawi.com/articles/jopti/volume-2013/921270/figures/921270.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b> Cameraman </td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="921270.fig.005b" src="https://static.hindawi.com/articles/jopti/volume-2013/921270/figures/921270.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Goldhill </td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="921270.fig.005c" src="https://static.hindawi.com/articles/jopti/volume-2013/921270/figures/921270.fig.005c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Lena </td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="921270.fig.005d" src="https://static.hindawi.com/articles/jopti/volume-2013/921270/figures/921270.fig.005d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Man </td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="921270.fig.005e" src="https://static.hindawi.com/articles/jopti/volume-2013/921270/figures/921270.fig.005e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>Letter A </td></tr></table></td></tr></table>

<table>Original images and binary watermark.</table>

Journal of Optimization

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Figure 5

Figure 5: Image Watermarking Algorithm Based on Multiobjective Ant Colony Optimization and Singular Value Decomposition in Wavelet Domain 