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.
The area of a given fly decreases as the front threshold increases. (a) Values in an ROI around a fly (after subtracting the background and computing the absolute value); (b) Result corresponding to a threshold value of 50; (c) Result corresponding to a threshold value of 70.
