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.
Comparison of mean and variance of photon counts in a randomly selected pixel (left) and two ROIs (middle). Right: cumulative histogram and theoretical cumulative distribution function of Poisson distribution of a selected point indicated by the yellow arrow in the middle figure.
