Figure 3.
Algorithms for the data collection process: (a) Reference points-database (RP-DB) and (b) Test points-database (TP-DB).
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.