Automatic Traffic Data Collection under Varying Lighting and Temperature Conditions in Multimodal Environments: Thermal versus Visible Spectrum Video-Based Systems

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/jat/volume-2017/5142732/figures/5142732.fig.004a.svgz" name="5142732.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Sample of vehicles</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/jat/volume-2017/5142732/figures/5142732.fig.004b.svgz" name="5142732.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Sample of cyclists</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/jat/volume-2017/5142732/figures/5142732.fig.004c.svgz" name="5142732.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Sample of pedestrians</td></tr></table>

<div>Sample of extracted road user images used for retraining.</div>

Journal of Advanced Transportation

fig4

Figure 4

Figure 4: Automatic Traffic Data Collection under Varying Lighting and Temperature Conditions in Multimodal Environments: Thermal versus Visible Spectrum Video-Based Systems 

Figure 4 | Automatic Traffic Data Collection under Varying Lighting and Temperature Conditions in Multimodal Environments: Thermal versus Visible Spectrum Video-Based Systems 