Figure 3.
Typical examples of six-by-six pixel artificial images generated using three-by-three (i.e., s = 3) pixel squares components and (a) p = [0.1, 0.1], c = [1, 1], (b) p = [0.02, 0.2], c = [0.1, 1].
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.