Research Article

Improved Surface-Based Registration of CT and Intraoperative 3D Ultrasound of Bones

Table 2

Segmentation errors of the twelve experiments performed. For each experiment, the maximum, mean, and standard deviation errors, as well as the number of mesh vertices resulting from the segmented ultrasound volume are shown.

Experiment numberMaximum (mm)Mean (mm)SD (mm)Number of vertices

11.5860.1640.1464.0E5
21.1530.140.0961.2E5
32.3140.1580.1484.2E4
42.5660.3340.2573.5E5
52.0640.2530.2052.8E5
62.1410.2070.1642.7E5
72.0030.2760.2273.6E5
82.3160.2110.2162.2E5
94.2920.2670.2243.7E5
101.2160.1590.1191.1E5
111.2320.1990.1691.1E5
121.4890.150.1352.0E5