Image Denoising Algorithm Combined with SGK Dictionary Learning and Principal Component Analysis Noise Estimation

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.008a.svgz" name="1259703.fig.008a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Noisy Cameraman image</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.008b.svgz" name="1259703.fig.008b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>SGK denoised image</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.008c.svgz" name="1259703.fig.008c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>PCA + SGK denoised image</td></tr></table>

<div>Comparison of two denoising algorithms on the Cameraman image.</div>

Mathematical Problems in Engineering

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Figure 8

Figure 8: Image Denoising Algorithm Combined with SGK Dictionary Learning and Principal Component Analysis Noise Estimation 