Retinal Image Denoising via Bilateral Filter with a Spatial Kernel of Optimally Oriented Line Spread Function

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/cmmm/volume-2017/1769834/figures/1769834.fig.008a.svgz" name="1769834.fig.008a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Input</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/cmmm/volume-2017/1769834/figures/1769834.fig.008b.svgz" name="1769834.fig.008b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Gaussian filter</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/cmmm/volume-2017/1769834/figures/1769834.fig.008c.svgz" name="1769834.fig.008c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>BLF</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/cmmm/volume-2017/1769834/figures/1769834.fig.008d.svgz" name="1769834.fig.008d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Our method</td></tr></table>

<div>Comparison of results in retinal image denoising. Top: the original image and the denoised ones with different methods. Bottom: enlarged view of an area enclosed by a local window.</div>

Computational and Mathematical Methods in Medicine

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Figure 8

Figure 8: Retinal Image Denoising via Bilateral Filter with a Spatial Kernel of Optimally Oriented Line Spread Function 