Figure 3.
A facial surface scan annotated with the twelve 3D landmarks used in this study. The 3D landmarks were identified by projecting a subset of the 2D landmarks shown in Figure 4 onto the surface scan using a ray casting algorithm.
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.