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.
GE performance phantom: mean and standard deviation within a uniform region in the first slice of the ROI (see Fig. 3) vs. iteration, showing the instability of ordinary OS approach with 328 subsets, compared with the proposed OS approach. Also shown is the result from a converged image x(∞) generated from several iterations of a convergent algorithm.
