An Improved Surface Simplification Method for Facial Expression Animation Based on Homogeneous Coordinate Transformation Matrix and Maximum Shape Operator

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2016/2370919/figures/2370919.fig.004a.svgz" name="2370919.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Original model (16842 triangles)</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2016/2370919/figures/2370919.fig.004b.svgz" name="2370919.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Simplifying by the DSD (2000 triangles)</td></tr></table>

<div>The shape of horse hoof is destroyed gradually when simplifying by the DSD [<a href="/journals/mpe/2016/2370919/#B30">30</a>].</div>

Mathematical Problems in Engineering

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Figure 4

Figure 4: An Improved Surface Simplification Method for Facial Expression Animation Based on Homogeneous Coordinate Transformation Matrix and Maximum Shape Operator 

Figure 4 | An Improved Surface Simplification Method for Facial Expression Animation Based on Homogeneous Coordinate Transformation Matrix and Maximum Shape Operator 