Research Article

A New Automated Way to Measure Polyethylene Wear in THA Using a High Resolution CT Scanner: Method and Analysis

Figure 2

The five landmarks chosen on the acetabular cup are shown in 3D. Only landmarks 1, 2, 3, and 5 are used in the surface extractor calculations. Landmark 4 is used only by the operator to locate the apical dome hole.
528407.fig.002