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.
An example of motion detection as the algorithm progresses into scale. Black rectangles illustrate regions labeled as background. Motion is detected in the rectangle indicated. When, the algorithm moves to a finer scale, it will consider all the rectangles in the grayed area.
