Blood Vessel Extraction in Color Retinal Fundus Images with Enhancement Filtering and Unsupervised Classification

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/jhe/volume-2017/4897258/figures/4897258.fig.004a.svgz" name="4897258.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>An example part of retinal fundus image before vessel light reflex removal</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/jhe/volume-2017/4897258/figures/4897258.fig.004b.svgz" name="4897258.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The output image of (a) after vessel light reflex removal</td></tr></table>

<div>An example to vessel light reflex removal.</div>

Journal of Healthcare Engineering

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Figure 4

Figure 4: Blood Vessel Extraction in Color Retinal Fundus Images with Enhancement Filtering and Unsupervised Classification 