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.
Piloting the beacon-based localization: a screenshot from an external video, filming the real scene and the visitor’s phone (left) and a screen capture of the phone, displaying a video with general information about that room, in the center, superimposed on the video stream from the phone’s camera (right).
