A Study on Weak Edge Detection of COVID-19’s CT Images Based on Histogram Equalization and Improved Canny Algorithm

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/cmmm/volume-2021/5208940/figures/5208940.fig.001a.svgz" name="5208940.fig.001a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>COVID image</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/cmmm/volume-2021/5208940/figures/5208940.fig.001b.svgz" name="5208940.fig.001b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Non-COVID image</td></tr></table>

<div>Example of CT images for COVID and non-COVID.</div>

Computational and Mathematical Methods in Medicine

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Figure 1

Figure 1: A Study on Weak Edge Detection of COVID-19’s CT Images Based on Histogram Equalization and Improved Canny Algorithm 