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.
SPR deviations for centrally placed non-bone inserts in the 40 cm ME phantom. The mean SPR deviation (marker) and its standard deviation over all voxels (bar) are shown. The names on the x-axis correspond to the phantom insert names. Insert name abbreviations: LN300: Lung LN300, LN450: Lung LN450, Adi: HE Adipose, Breast: HE Breast 50:50, LW: Liquid Water, SW: HE Solid Water. The results for the remaining diameters can be found in Supplementary Material C.
