Street-Level Landmark Evaluation Based on Nearest Routers

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/scn/volume-2018/2507293/figures/2507293.fig.006a.svgz" name="2507293.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Beijing</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/scn/volume-2018/2507293/figures/2507293.fig.006b.svgz" name="2507293.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Shanghai</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/scn/volume-2018/2507293/figures/2507293.fig.006c.svgz" name="2507293.fig.006c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Shenzhen</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/scn/volume-2018/2507293/figures/2507293.fig.006d.svgz" name="2507293.fig.006d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Xiamen</td></tr></table>

<div>Relationship between the mean error and the number of landmarks.</div>

Security and Communication Networks

fig6

Figure 6

Figure 6: Street-Level Landmark Evaluation Based on Nearest Routers 