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.
(Top row) FPIs from two successive scans with corresponding manually selected landmark points overlaid. (Bottom row) Landmark points from Scan 2 overlaid on Scan 1 after registration using different methods. Manual points are marked as red circles and registered points are marked as black ×’s.
