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.
Examples of acquired frames where illumination or local background conditions are challenging for detection and tracking. Each sub-image is obtained zooming the corresponding frame around the target (which is highlighted by a red, rectangular box).
