Feasibility Investigation of Obstacle-Avoiding Sensors Unit without Image Processing

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="643815.fig.007a" src="https://static.hindawi.com/articles/js/volume-2013/643815/figures/643815.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Step </td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="643815.fig.007b" src="https://static.hindawi.com/articles/js/volume-2013/643815/figures/643815.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Slope </td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="643815.fig.007c" src="https://static.hindawi.com/articles/js/volume-2013/643815/figures/643815.fig.007c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Trench</td></tr></table></td></tr></table>

<table>How to classify slopes, steps, and trenches.  Characteristic parameter extraction method is shown.</table>

Journal of Sensors

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Figure 7

Figure 7: Feasibility Investigation of Obstacle-Avoiding Sensors Unit without Image Processing 