Figure 4.
(a)–(b) Laser scan and extracted breakpoints (squares). It must be noted that segments of the laser scan which present less than ten range readings are not taken into account (they are marked without boxes in the figures).
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.