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.
(A) Three frames (denoted as a, b, c) illustrate three levels of social intensity; (B) Visual complexity depicted using the edges of the images detected using the Canny method (Canny, 1986) for the frames a, b, and c.
