Outlier Detection and Correction for Monitoring Data of Water Quality Based on Improved VMD and LSSVM

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/complexity/volume-2019/9643921/figures/9643921.fig.0023a.svgz" name="9643921.fig.0023a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Outlier detection and correction results by EMD</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/complexity/volume-2019/9643921/figures/9643921.fig.0023b.svgz" name="9643921.fig.0023b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Outlier detection and correction results by EEMD</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/complexity/volume-2019/9643921/figures/9643921.fig.0023c.svgz" name="9643921.fig.0023c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Outlier detection and correction results by improved VMD</td></tr></table>

Complexity

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Figure 23

Figure 23: Outlier Detection and Correction for Monitoring Data of Water Quality Based on Improved VMD and LSSVM 