Automated Visual Inspection of Ship Hull Surfaces Using the Wavelet Transform

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="101837.fig.001a" src="https://static.hindawi.com/articles/mpe/volume-2013/101837/figures/101837.fig.001a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Shaped hull  </td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="101837.fig.001b" src="https://static.hindawi.com/articles/mpe/volume-2013/101837/figures/101837.fig.001b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Flat hull </td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="101837.fig.001c" src="https://static.hindawi.com/articles/mpe/volume-2013/101837/figures/101837.fig.001c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Damaged portions  </td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="101837.fig.001d" src="https://static.hindawi.com/articles/mpe/volume-2013/101837/figures/101837.fig.001d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Detail visual appearance</td></tr></table></td></tr></table>

<table>Ship’s hulls at a repair yard.</table>

Mathematical Problems in Engineering

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Figure 1

Figure 1: Automated Visual Inspection of Ship Hull Surfaces Using the Wavelet Transform 