Figure 6.
A three-step model for Floor Identification based on magnetic field data captured with smartphone sensors. (reproduced under the terms and conditions of the Creative Commons Attribution (CC BY) license from [5]).
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.