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.
Performance comparison between human observers (filled square symbols) and model observers (empty square symbols) for the six 2AFC tasks when IR reconstruction was applied. The six 2AFC tasks were generated at two mAs levels (60 and 120 mAs) and three lesion sizes (small, medium, and large). The performance for the 2AFC tasks when FBP reconstruction was used was also displayed as a reference.
