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.
Navigation and people detection systems during guidance task. Yellow and purple squares represent people obstacles detected by both camera and laser. Yellow and purple circles represent people obstacles only detected by the laser, as well as the obstacles costs inflations. Gray circles show old obstacles that will be removed once the walker senses such areas again. Green line illustrates the path.
