Simulation of GNSS Availability in Urban Environments Using a Panoramic Image Dataset

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijno/volume-2017/8047158/figures/8047158.fig.004a.svgz" name="8047158.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Grayscale</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijno/volume-2017/8047158/figures/8047158.fig.004b.svgz" name="8047158.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Autothresholding</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijno/volume-2017/8047158/figures/8047158.fig.004c.svgz" name="8047158.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Morphological closing</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/ijno/volume-2017/8047158/figures/8047158.fig.004d.svgz" name="8047158.fig.004d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Median filter</td></tr></table>

International Journal of Navigation and Observation

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Figure 4

Figure 4: Simulation of GNSS Availability in Urban Environments Using a Panoramic Image Dataset 