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.
Representative frames from the simulated movies with similar foregrounds and different backgrounds. (a) The background consists of only dark counts. (b) The background contains dark counts and static fluorescent nanoparticles (NPs). (c) The movie has dark counts, static fluorescent NPs, and a spatially varying background.
