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

<div class="floats-full-page floats-full-page-figure"><h2>Figure 5</h2><div class="floats-full-page-caption"><div>Comparison of five kinds of algorithms.</div></div><div class="floats-full-page-content"><table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-01.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.005a.svgz" name="1259703.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Original Lena image</td></tr><tr class="fig-image" id="b"><td><object data="https://static-01.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.005b.svgz" name="1259703.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>PCA + SGK</td></tr><tr class="fig-image" id="c"><td><object data="https://static-01.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.005c.svgz" name="1259703.fig.005c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Kurtosis + SGK</td></tr><tr class="fig-image" id="d"><td><object data="https://static-01.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.005d.svgz" name="1259703.fig.005d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Mode + SGK</td></tr><tr class="fig-image" id="e"><td><object data="https://static-01.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.005e.svgz" name="1259703.fig.005e" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(e) </b>Med + SGK</td></tr><tr class="fig-image" id="f"><td><object data="https://static-01.hindawi.com/articles/mpe/volume-2018/1259703/figures/1259703.fig.005f.svgz" name="1259703.fig.005f" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(f) </b>Min + SGK</td></tr></table></div></div>

Figure 5 | Image Denoising Algorithm Combined with SGK Dictionary Learning and Principal Component Analysis Noise Estimation

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Figure 5: Image Denoising Algorithm Combined with SGK Dictionary Learning and Principal Component Analysis Noise Estimation

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Figure 5

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