Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Error of the automatic registration without user calibration
| Error along the y-axis (up-down dimension) (mean ± standard deviation) | − 12.5 ± 2.5 mm |
| Error along the x-axis (right-left dimension) (mean ± standard deviation) | 7.0 ± 2.1 mm |
| Error along the z-axis (back-front dimension) (mean ± standard deviation) | − 19.0 ± 2.0 mm |
