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.
Center axial slice of the hot-rod phantom reconstructed with different combinations of front and back detector distances to the collimator (10mm_20mm, 10mm_30mm, 10mm_40mm, 10mm_50mm, 20mm_30mm, 20mm_40mm, 30mm_40mm) and number of pinholes (1, 7, 19, 37). The geometry for the acquisition is illustrated in figure 4 (bottom).
