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.
Image masks showing which parts of the colour and depth images are processed (in white) for a user travelling straight ahead (center mask). These white regions are termed “safe navigation regions.” The equivalent masks used to assess whether to turn to the left or right are shown to the sides of the center mask.
